6-2 im dl850-01en display format (format) you can evenly divide the t-y waveform display window so that you can easily view input waveforms and computed waveforms. you can set the number of divisions to one of the values listed below. 1, 2, 3, 4, 6, 8, 12, or 16 the number of displayed points in each division varies depending on the number of divisions. even if the number of displayed points changes, the vertical resolution does not change. the number of displayed points when only the main window is displayed is as follows: divisions displayed points divisions displayed points divisions displayed points divisions displayed points 1 656 points 2 328 points 3 218 points 4 164 points 6 109 points 8 82 points 12 54 points 16 41 points extra window (extra window) when waveforms and measured values overlap and are difficult to see, you can use the extra window to display them separately. the extra window appears below the t-y waveform display window. the following values appear in the extra window. ? cursor-measurement values ? automated measurement values of waveform parameters ? the digital values of each channel (only during roll mode display) height of the extra window set the height of the extra window. off: the extra window is not displayed. 1 to 8: the extra window is set to the selected height. auto: the extra window appears automatically when you perform cursor measurements and automated measurements of waveform parameters. ? the number of displayed points on the t-y waveform display window varies depending on the height of the extra window. even if the number of displayed points changes, the vertical resolution does not change. ? when the extra window is displayed, depending on the zoom format, the scale values may overlap and be dif ficult to read. grid (graticule) you can set the window grid to one of the following options. ? : displays the grid using broken lines ? : displays the grid using crosshairs ? : displays a frame 6 display free datasheet http://
6-3 im dl850-01en turning the scale value display on and off (scale value) you can display the upper and lower limits (scale values) of each waveforms vertical or horizontal axes. ? on: displays the scale values ? off: does not display the scale values waveform arrangement, color, and display gr. (trace setup) you can set the following items for the input channels (ch1 to ch16) of the modules installed in the slots and for the computation channels (math1 to math8). you cannot configure settings for input modules that are not installed. allocation mode (allocation mode) select which channels to display in which window divisions (zones). ? auto the waveforms whose displays are turned on are arranged by number from the top of the window. ? user the waveforms are arranged according to the settings configured for zone. moving input channels (ch) you can move input and computation channels. to move a channel, remove it from the list, and then select it in the location that you want to move it to. display color (color) you can set the display color of each of the waveforms to one of 16 colors. you can assign all waveforms regardless of whether their displays are turned on. ? y ou can set the colors of each of the sub channels on the 16ch voltage input and can bus monitor modules. ? because logic input modules are not displayed as individual b its but are instead displayed as single channels, a logic input channel can only have one color assigned to it. zone (zone) when allocation mode is set to user, you can specify which division of the screen (zone) to display each of the waveforms in. you can assign all waveforms regardless of whether their displays are turned on. ? y ou can assign zones to each of the sub channels on the 16ch voltage input and can bus monitor modules. ? because logic input modules are not displayed as individual b its but are instead displayed as single channels, a logic input module can only be assigned to one zone. display groups (select display gr.) when modules, such as 16-ch voltage input modules, that have multiple channels (sub channels) are installed, you can divide the channels into groups and display them. you can divide the channels into up to four groups. ? y ou can assign the same channel to multiple groups. ? you cannot assign the following channels to separate groups. ? the bits of a single logic input module trace label display (trace label) you can display waveform labels next to the displayed waveforms. if the waveform display is narrow because of the display format settings, labels may not be displayed. ? on: displays labels ? off: does not display labels 6 display free datasheet http://
6-4 im dl850-01en level indicator a level indicator that shows the levels of the waveforms whose displays are turned on appears on the right side of the waveform display area. it shows the current levels of the sampled data. interpolation method (dot connect) when the number of data points is within the interpolation zone of the t-y waveform display, * the dl850/DL850V displays waveforms by interpolating between sampled data points. * interpolation zone refers to the condition in which a given num ber of data points are not contained in the 10 div along the time axis. the number of data points that define the interpolation zone varies depending on the display record length and zoom ratio. you can set the interpolation method to one of the options below. ? off displays the data using dots without interpolation. ? sine interpolation (sine) interpolates a sine curve between two points using the (sinx)/x function. this method is suitable for the observation of sine waves. ? linear interpolation (line) linearly interpolates between two points. ? pulse interpolation (pulse) interpolates between two points in a staircase pattern. outside of the interpolation zone if the interpolation method is set to sine, line, or pulse, the dots are connected vertically . if the number of data points is 2002 or greater, the dl850/DL850V determines the p-p compression values (the maximum and minimum sampled-data values in a given interval), and displays vertical lines (rasters) connecting each pair of maximum and minimum p-p compression values. off sine/line/pulse in the interpolation zone off sine line pulse the interpolation method is set to pulse when: ? the input signal is a logic signal. ? the acquisition mode is envelope. 6 display free datasheet http://
6-5 im dl850-01en setting the number of data points to use for waveform display (decimation) when the t-y waveform display is not in the interpolation zone and the interpolation method is not set to off, p-p compressed values are displayed. when the t-y waveform display is not in the interpolation zone and the interpolation method is set to off or when the x-y waveform display is shown, the dl850/DL850V displays the acquired data without p-p compression by removing the data between fixed intervals. you can set the number of points to use to display waveforms to one of the options listed below. 2k, 100k ? when 2k is selected when the record length exceeds 2 kpoint, the dl850/DL850V removes data until there are only 2 kpoint and displays two points on each vertical line. when the record length is less than 2 kpoint, all the points are displayed. ? when 100k is selected when the record length exceeds 100 kpoint, the dl850/dl850 v removes data until there are only 100 kpoint and displays 100 points on each vertical line. when the record length is less than 100 kpoint, all the points are displayed. during hard disk recording and roll mode display, if there are more than 100 points of data per div, the maximum and minimum values for specified intervals of data are displayed through linear interpolation. accumulation (accumulate) ordinarily, momentary waveform anomalies are difficult to recognize because the displayed waveform is updated whenever the trigger is activated. in waveform accumulation, older waveforms remain on the screen for a period of time that is longer than the waveform update period, so that older waveforms remain while new waveforms continue to appear. the specified number of accumulated waveforms are displayed with gradually decreasing intensity. ? on: w aveforms are accumulated. ? off: waveforms are not accumulated. count (count) set the number of accumulated waveforms to display. waveforms will accumulate infinitely if you choose infinite. selectable range: 2 to 128 waveforms (in 2 n steps). the default setting is 16. clearing accumulated waveforms you can clear accumulated waveforms by pressing the clear trace key. ? automated measurement of waveform parameters and go/no-go determination are performed on the most recent waveform. ? if you press st art/stop to stop waveform acquisition, accumulation stops. when you restart waveform acquisition, accumulation resumes from the condition that it was in when it was stopped. ? the built-in printer does not show the intensity dif ferences between accumulated waveforms. ? when accumulate is set to on, you cannot change the settings of the history feature. ? when accumulate is set to on, even if you change the display format, the waveforms that are currently on the screen are not cleared. to clear waveforms, press clear trace. ? y ou cannot set accumulate to on in the roll mode display. ? when you set accumulate to off, the accumulated waveforms are cleared. to redisplay the waveforms, use the history feature, and select the record number of the waveforms that you want to display. you can only select waveforms that have record numbers. you cannot display earlier waveforms. ? if the dl850/DL850V does not trigger when the trigger mode i s set to normal, the waveform intensity is retained until the next time the dl850/DL850V triggers. 6 display free datasheet http://
6-6 im dl850-01en manual event (manual event) indicates the positions of manually input events. you can only input manual events during hard disk recording or when the dual capture feature is enabled. you can input manual events by applying a high/low signal to the external start/stop input (ext i/o) terminal or by turning a switch contact on and off. you can enter up to 1000 events. for the specifications of the ext i/o terminal, see section 5.5 in the getting started guide, im dl850- 03en. switching the menu area display when the setup menu is displayed and you press the esc key, the menu disappears, and the display switches to the full-screen waveform display. if you press the esc key again, the channel information of the waveforms whose displays are turned on appears. if you press the esc key yet again, the numeric monitor for the waveforms whose displays are turned on appears. each time you press the esc key, the display switches between the full-screen waveform display, the channel information display, and the numeric-monitor display. full-screen waveform display the menu disappears, and the waveform display area expands horizontally. channel information the following items are displayed. however, as the number of displayed channels increases, some items may be omitted. ? v oltage measurement: v/div, input coupling, probe attenuation (type), bandwidth limit ? temperature measurement: temperature/div, thermocouple type, bandwidth limit ? strain measurement: str/div (or [mv/v]/div), measurement range, bandwidth limit ? acceleration measurement: acceleration/div, gain, input coupling, bias ? frequency measurement: value/div, measurement mode, preset numeric monitor the level indicator values for each channel appear in the numeric monitor display. the numeric monitor display is updated at approximately every 0.5 s. size of the channel-information and numeric-monitor display area (ch. information) you can set the size of the display area that appears when you switch from the menu to the channel-information or numeric-monitor display. ? full: full screen ? narrow: width of the menu (displayed in the location of the menu) ? wide: displayed on the right half of the screen 6 display free datasheet http://
7-1 im dl850-01en 7 displaying x-y waveforms you can view the correlation between two waveform levels by assigning the level of one waveform to the x-axis (horizontal axis) and the level of the other waveform to the y-axis (vertical axis). there are two x-y waveform windows, and you can display four pairs of waveforms in each window (for a total of eight pairs). you can perform cursor measurements on the displayed x-y waveforms. you can also observe t-y (time axis) waveforms and x-y waveforms simultaneously. turning the x-y window display on and off (display) you can select whether to display each x-y window. ? on: displays the x-y window ? off: does not display the x-y window eight pairs of x-y waveforms (setup) you can display xy1 to xy4 in window 1 and xy5 to xy8 in window 2. you can configure the display settings of a total of 8 x-y waveforms. you can configure the following settings for each x-y waveform. display (display) you can select whether to display each x-y waveform. ? on: displays the x-y waveform ? off: does not display the x-y waveform x trace and y trace (x trace and y trace) for xy1 to xy4 and xy5 to xy8, you can select which waveforms to assign to the x and y axes from the following options. ch1 to ch16, 1 16chvolt, 2 can, 3 math1 to math8 1 you can select the channel of an installed module. however, you cannot select the channel of a logic module. 2 if the 16-ch voltage input module is installed. after you select 16chvolt, select a sub channel. 3 on the DL850V when a can bus monitor module is installed. after you select can, select a sub channel. if the data type (value type) is set to logic, you will not be able to select it. ? an x-y waveform cannot be displayed if the waveforms assigned to its x and y axes have different sample rates. ? an x-y waveform cannot be displayed if it is a combination of a sub channel on the 16-ch voltage input module and a normal channel. you can display an x-y waveform of two sub channels that have the same sample rate. the same limitation that applies to the 16-ch voltage input module also applies to can bus monitor modules. ? an x-y waveform can be displayed if it is a combination of a sub channel on the 16-ch voltage input module and a sub channel on a can bus monitor module and if the two sub channels have the same sample rate. ? x-y waveforms can be created from normal t-y waveforms. they cannot be created from zoomed waveforms. ? logic waveforms and event waveforms cannot be used to mak e x-y waveforms. ? you cannot create an x-y waveform using one trace whose horizontal-axis unit is time and another trace whose horizontal-axis unit is frequency. start point and end point (start point and end point) you can set the start and end points of the x-y waveforms on the t-y waveforms. you can set different start and end points for each x-y window. selectable range: 5 div from the center of the t-y waveform window pen marker (pen marker) you can display a pen marker on an x-y waveform whose display is turned on. it shows the current sampled point of the waveform. free datasheet http://
7-2 im dl850-01en clearing waveforms at acquisition start (trace clear on start) choose whether to clear the current x-y waveforms when waveform acquisition is started through the pressing of the start/stop key. ? on: x-y waveforms are cleared. ? off: x-y waveforms are not cleared. display ratio of the main window (main ratio) window layout (window layout) set the display position of the x-y window. ? side: horizontal ? vertical: vertical combine display (combine display) choose whether to combine the two x-y windows into one window. ? on: the windows are combined. ? off: the windows are not combined. interpolation method (dot connect) when the number of data points is within the interpolation zone of the x-y waveform display, * the dl850/DL850V displays waveforms by interpolating between sampled data points. * interpolation zone refers to the condition in which a given num ber of data points are not contained in the x-y waveform display. the number of data points that define the interpolation zone varies depending on the display record length. you can set the interpolation method to one of the options below. ? off displays the data using dots without interpolation. ? linear interpolation (line) linearly interpolates between two points. diagram explaining the interpolation method setting the number of data points to use for waveform display (decimation) in the x-y waveform display, the dl850/DL850V displays the acquired data by removing the data between fixed intervals. you can set the number of points to use to display waveforms to one of the options listed below. 2k, 100k detailed explanation ? to zoom in or out on an x-y waveform, change the upper and lower limits (upper and lower) of the channel that you want to zoom, or change the vertical zoom (v zoom). ? on voltage input modules, to change the displayed position of an x-y waveform, change the positions of the channels that it is based on. 7 displaying x-y waveforms free datasheet http://
8-1 im dl850-01en 8 zooming in on waveforms you can magnify displayed waveforms along the time axis. the zoomed waveforms of two locations can be displayed simultaneously (the dual zoom feature). you can also specify which channel you want to zoom in on. you cannot zoom if the number of displayed points on the screen is less than or equal to 100. zoom2 window zoom1 window zoom box 1 zoom box 2 example of the dual zoom display main window if the zoom1 or zoom2 waveform window and the main waveform window (main) are displayed at the same time, a zoom box appears in the main window so that you can check the zoom position. vertical zoom you can magnify displayed waveforms along the vertical axis by using the menu that appears when you press a ch key. zoom window display (display) you can set whether to display each of the zoom windows, zoom1 and zoom2. when a zoom window is displayed, a zoom bar appears at the top of the screen. this bar indicates what part of main window is being zoomed in on. ? on: displays the zoom windows ? off: does not display the zoom windows zoom source window (zoom2 source) select the waveforms that you want to enlarge in the zoom2 window. ? main (main): main window waveforms ? zoom1: zoom1 window waveforms free datasheet http://
8-2 im dl850-01en zoom factor (mag knob) use the mag knob to set the zoom factor. you can set separate horizontal zoom factors for zoom1 and zoom2. the zoom-window time-axis setting changes automatically based on the specified zoom factor. selectable range two times the time axis setting (time/div) of the main window to the point where the number of data points in the zoom window reaches 10 points per div. ? when an external clock signal is being used as the time base, you can select one of the following magnifications. you can select any magnification up to the point where the number of data points in the zoom window reaches 10 points per div. up to 1000000 in 1-2.5-5 steps (2, 2.5, 5, 10, 25, 50, 100, 250, 500, 1000, 2500, and so on) ? the upper limit of the zoom factor during hard disk recording i s the maximum zoom factor that can be displayed during hard disk recording. position (zoom position knob, zoom1 position, zoom2 position) you can set the zoom position (position) using the zoom position knob or the jog shuttle. taking the horizontal center of the main window to be 0 div, set the center position of the zoom boxes in the range of ? 5 to 5 div. in the main window, the box with solid lines is for zoom1, and the box with dashed lines is for zoom2. waveforms are magnified around the centers of the zoom boxes. the z1 or z2 indicator on the front panel illuminates to show when the zoom1 or zoom2 window can be moved by the mag or zoom position knob. zoom link if you press the mag knob or zoom position knob so that the z1 and z2 indicators both light, you can move the zoom boxes while maintaining the spatial relationship between them. the relationship between the zoom factors is also maintained. display ratio of the main window (main ratio) set the size of the main window in relation to the overall waveform display area. ? 50%: the main window appears in the upper half of the screen. ? 20%: the main window appears in the upper 20% screen. ? 0%: the main window is not displayed. window layout (window layout) you can select the layout of the two zoom windows. ? side: horizontal ? vertical: vertical 8 zooming in on waveforms free datasheet http://
8-3 im dl850-01en display format (format zoom1 and format zoom2) select how to display the zoom windows from one of the options listed below. if you select a number, the zoom windows are divided evenly, and waveforms are displayed within the divisions. ? main: same format as the main window ? 1, 2, 3, 4, 6, 8, 12, 16 moving the zoom position to the latest position (move zoom1 to front and move zoom2 to front) you can move the position of one of the zoom boxes to the right side of the screen (where the most recent data is). when the waveform flows from the right to the left of the screen, as in roll mode, you can zoom in on the waveform where it starts from, on the right side of the screen. these menu items do not appear when the source waveform of the zoom2 window is set to zoom1. auto scroll (auto scroll) this feature automatically moves the zoom position in the specified direction. you can view the waveform and stop scrolling at the appropriate position. zooms in on the left edge of the main window zooms in on the right edge of the main window starts scrolling to the left starts scrolling to the right stops scrolling speed (speed) you can select the auto scrolling speed. selectable range: 1 to 10. the default setting is 4. waveforms that are zoomed (allocation) the waveforms of the channels whose check boxes are selected in the allocation window and whose displays are turned on are displayed. 8 zooming in on waveforms free datasheet http://
9-1 im dl850-01en 9 cursor measurement you can move cursors on the waveforms displayed on the screen to view the measured values at the points where the cursors intersect the waveforms. window selection (select window) select the window to perform cursor measurement in. this option appears when x-y or fft waveforms are being displayed. ? t -y : displays t-y waveform cursor-measurement values. ? x-y : displays the cursor-measurement values for the waveform in an x-y window. ? fft : displays the cursor-measurement values for the waveform in an fft window. t-y waveforms cursor types (type) the following types of t-y waveform cursors are available. ? off: cursor measurement is not performed. ? horizontal cursors (horizontal) : two horizontal cursors are used to measure vertical values. ? v ertical cursors (vertical) : two vertical cursors are used to measure time values. ? horizontal and vertical cursors (h & v ) : two horizontal cursors and two vertical cursors are used to measure vertical and time values. ? marker cursors (marker ): four marker cursors that move on the waveform are used to measure waveform values. ? angle cursors (degree ) : two angle cursors are used to measure angles. horizontal cursors (horizontal) - t-y waveforms two dashed lines (horizontal cursors) appear on the horizontal axis. you can measure the vertical value at the position of each horizontal cursor and measure the level difference between the horizontal cursors. cursor1 cursor2 y y1 y2 measurement source waveform (trace) set the measurement source waveform to one of the waveforms below. ch1 to ch16, 1 16chvolt, 2 can, 3 math1 to math8 1 you can select the channel of an installed module. you cannot select the channel of a logic module. 2 if the 16-ch voltage input module is installed. after you select 16chvolt, select a sub channel. 3 on the DL850V when a can bus monitor module is installed. after you select can, select a sub channel. if the data type (value type) is set to logic, you will not be able to select it. moving the cursors (cursor1/cursor2) use cursor1 and cursor2 to move the cursors. taking the center of the waveform display window to be 0 div, you can move the cursors within the range of ?5 to 5 div in 0.01 div steps. free datasheet http://
9-2 im dl850-01en measurement items (item setup) you can measure the following vertical values at the cursor positions. y1 vertical value at cursor1 y2 vertical value at cursor2 y difference between the vertical values of cursor1 and cursor2 vertical cursors (vertical) - t-y waveforms two straight dashed lines appear on the vertical axis (these are the vertical cursors). you can measure the time between the trigger position and each cursor, the time difference between the two cursors, and the reciprocal of the time difference between the two cursors. you can also measure the vertical signal value at each cursor position and the level difference between the two cursors. cursor1 cursor2 x x1 x2 measurement source waveform (trace) set the measurement source waveform to one of the waveforms below. ch1 to ch16, 1 16chvolt, 2 can, 3 math1 to math8, all 4 1 you can select the channel of an installed module. 2 if the 16-ch voltage input module is installed. after you select 16chvolt, select a sub channel. 3 on the DL850V when a can bus monitor module is installed. after you select can, select a sub channel. 4 cursor measurement is performed on all channels. however, measured values that do not fit on the screen are not displayed. moving the cursors (cursor1/cursor2) use cursor1 and cursor2 to move the cursors. taking the center of the waveform display window to be 0 div, you can move the cursors within the range of ?5 to 5 div in steps of the following size: time/div 10 display record length. measurement items (item setup) you can measure the following horizontal values at the cursor positions. x1 time value at cursor1 x2 time value at cursor2 x difference between the time values of cursor1 and cursor2 1/x reciprocal of the difference between the time values of cursor1 and cursor2 y1 vertical value at the intersection of cursor1 and the waveform 1 y2 vertical value at the intersection of cursor2 and the waveform 2 y difference between the vertical values at the intersections of the waveform with cursor1 and cursor2 2 1 when trace is set to all, the values for the channels of all installed modules, the sub channels, and the math channel are measured. 2 this option does not appear when trace is set to all. 9 cursor measurement free datasheet http://
9-3 im dl850-01en example of logic signal measurement when you measure logic waveforms using vertical cursors, the measured values of y1 and y2 are determined in the manner shown below. 1 cursor 1 cursor 2 2 3 4 5 6 7 8 ? when the cursor order is 1->8 bit y1: 01001010 y2: 10110010 hex y1: 4a y2: b2 ? when the cursor order is 8->1 bit y1: 01010010 y2: 01001101 hex y1: 52 y2: 4d when no bits are turned off cursor 1 cursor 2 1 2 4 5 7 8 ? when the cursor order is 1->8 bit y1: 01-01-10 y2: 10-10-10 hex y1: 16 y2: 2a ? when the cursor order is 8->1 bit y1: 01-10-10 y2: 01-01-01 hex y1: 1a y2: 15 when some bits are turned off in the logic settings in the preferences, you can set the display format (bit or hex), the cursor order (cursor order), and the bit order (bit order). 9 cursor measurement free datasheet http://
9-4 im dl850-01en horizontal and vertical cursors (h & v) - t-y waveforms displays the horizontal and vertical cursors simultaneously. measurement source waveform (trace) set the measurement source waveform to one of the waveforms below. ch1 to ch16, 1 16chvolt, 2 can, 3 math1 to math8 1 you can select the channel of an installed module. you cannot select the channel of a logic module. 2 if the 16-ch voltage input module is installed. after you select 16chvolt, select a sub channel. 3 on the DL850V when a can bus monitor module is installed. after you select can, select a sub channel. if the data type (value type) is set to logic, you will not be able to select it. moving the cursors (v cursor1/v cursor2, h cursor1/h cursor2) use v-cursor1, v-cursor2, h-cursor1, and h-cursor2 to move the cursors. taking the center of the waveform display window to be 0 div, you can move the cursors within the range of ?5 to 5 div in steps of the following sizes: for horizontal cursors, 0.01 div; for vertical cursors, time/div 10 display record length. measurement items (item setup) you can measure the following horizontal and vertical values at the cursor positions. horizontal axis x1 time value at v-cursor1 x2 time value at v-cursor2 x difference between the time values of v-cursor1 and v-cursor2 1/x reciprocal of the difference between the time values of v-cursor1 and v-cursor2 vertical axis y1 vertical value of h-cursor1 y2 vertical value of h-cursor2 y difference between the vertical values of h-cursor1 and h-cursor2 marker cursors (marker) - t-y waveforms four markers are displayed on the selected waveform. you can measure the level at each marker, the amount of time from the trigger position to each marker, and the level and time differences between markers. marker1 x y + y marker2 marker3 marker4 markers (marker1 through 4) select the markers, from marker1 to 4, that you want to display. you can assign each marker to a different waveform. 9 cursor measurement free datasheet http://
9-5 im dl850-01en measurement source waveform (trace) set the measurement source waveform to one of the waveforms below. ? off: disables the marker ? ch1 to ch16, 1 16chvolt, 2 can, 3 math1 to math8 1 you can select the channel of an installed module. you cannot select the channel of a logic module. 2 if the 16-ch voltage input module is installed. after you select 16chvolt, select a sub channel. 3 on the DL850V when a can bus monitor module is installed. after you select can, select a sub channel. if the data type (value type) is set to logic, you will not be able to select it. position (position) set the position of the selected marker. taking the center of the waveform display window to be 0 div, you can move the markers within the range of ?5 to 5 div in steps of the following size: time/div 10 display record length. marker shape (marker form) set the shape of the displayed marker to one of the options below. ? mark: a dot ? line: a crosshair measurement items (item setup) marker cursors move on the waveform data. you can measure the following values at the markers. x1 time value at marker1 x2 time value at marker2 x3 time value at marker3 x4 time value at marker4 (x2-x1) difference between the time values of marker1 and marker2 (x3-x1) difference between the time values of marker1 and marker3 (x4-x1) difference between the time values of marker1 and marker4 (x3-x2) difference between the time values of marker2 and marker3 (x4-x2) difference between the time values of marker2 and marker4 (x4-x3) difference between the time values of marker3 and marker4 y1 vertical value at marker1 y2 vertical value at marker2 y3 vertical value at marker3 y4 vertical value at marker4 (y2-y1) difference between the vertical values of marker1 and marker2 (y3-y1) difference between the vertical values of marker1 and marker3 (y4-y1) difference between the vertical values of marker1 and marker4 (y3-y2) difference between the vertical values of marker2 and marker3 (y4-y2) difference between the vertical values of marker2 and marker4 (y4-y3) difference between the vertical values of marker3 and marker4 9 cursor measurement free datasheet http://
9-6 im dl850-01en angle cursors (degree) - t-y waveforms you can measure time values and convert them to angles. on the time axis, set the zero point (ref cursor1 position), which will be the measurement reference, the end point (ref cursor2 position), and the reference angle that you want to assign to the difference between ref cursor1 and ref cursor2. based on this reference angle, you can measure the angle between two angle cursors (cursor1 and cursor2). cursor1 cursor2 ref cursor1 ref cursor2 reference angle measurement source waveform (trace) set the measurement source waveform to one of the waveforms below. ch1 to ch16, 1 16chvolt, 2 can, 3 math1 to math8, all 4 1 you can select the channel of an installed module. 2 if the 16-ch voltage input module is installed. after you select 16chvolt, select a sub channel. 3 on the DL850V when a can bus monitor module is installed. after you select can, select a sub channel. 4 cursor measurement is performed on all channels. moving the cursors (cursor1/cursor2) use cursor1 and cursor2 to move the cursors. t aking the center of the waveform display window to be 0 div, you can move the cursors within the range of ?5 to 5 div in steps of the following size: time/div 10 display record length. reference angle (ref value) set the reference angle you want to assign to the range defined by ref cursor1 and ref cursor2. selectable range: 1 to 720 references (ref1/ref2) set the zero point (ref cursor1) and the end point (ref cursor2). taking the center of the waveform display window to be 0 div, you can move the cursors within the range of ?5 to 5 div in steps of the following size: time/div 10 display record length. measurement items (item setup) the dl850/DL850V measures the angle cursor (cursor1 and cursor2) positions as angles. x1 angle of cursor1 from ref cursor1 x2 angle of cursor2 from ref cursor1 x angle difference between cursor1 and cursor2 y1 vertical value at the intersection of cursor1 and the waveform 1 y2 vertical value at the intersection of cursor2 and the waveform 2 y difference in the vertical values at the points where cursor1 and cursor2 intersect the waveforms 2 1 when trace is set to all, the values for the channels of all installed modules, the sub channels, and the math channel are measured. 2 this option does not appear when trace is set to all. 9 cursor measurement free datasheet http://
9-7 im dl850-01en x-y waveforms cursor types (type) the following types of x-y waveform cursors are available. ? off: cursor measurement is not performed. ? horizontal cursors (horizontal) : two horizontal cursors are used to measure vertical (y axis) values. ? v ertical cursors (vertical) : two vertical cursors are used to measure horizontal (x axis) values. ? horizontal and vertical cursors (h & v ) : two horizontal cursors and two vertical cursors are used to measure vertical (y axis) and horizontal (x axis) values. ? marker cursors (marker ): four marker cursors that move on the waveform are used to measure waveform values. horizontal cursors (horizontal) two dashed lines (horizontal cursors) appear on the horizontal axis. you can measure the vertical (y axis) value at the position of each horizontal cursor and measure the level difference between the horizontal cursors. measurement source waveform (trace) set the measurement source waveform to one of the waveforms below. xy1 to xy8 moving the cursors (cursor1/cursor2) use cursor1 and cursor2 to move the cursors. taking the center of the waveform display window to be 0 div, you can move the cursors within the range of ?5 to 5 div in 0.01 div steps. measurement items (item setup) you can measure the following vertical (y axis) values at the cursor positions. y1 vertical (y axis) value at cursor1 y2 vertical (y axis) value at cursor2 y difference between the vertical (y axis) values of cursor1 and cursor2 vertical cursors (vertical) two dashed lines (vertical cursors) appear on the vertical axis. you can measure the horizontal (x axis) value at the position of each vertical cursor and measure the level difference between the vertical cursors. measurement source waveform (trace) set the measurement source waveform to one of the waveforms below. xy1 to xy8 moving the cursors (cursor1/cursor2) use cursor1 and cursor2 to move the cursors. taking the center of the waveform display window to be 0 div, you can move the cursors within the range of ?5 to 5 div in 0.01 div steps. 9 cursor measurement free datasheet http://
9-8 im dl850-01en measurement items (item setup) you can measure the following horizontal (x axis) values at the cursor positions. x1 horizontal (x axis) value at cursor1 x2 horizontal (x axis) value at cursor2 x difference between the horizontal (x axis) values of cursor1 and cursor2 horizontal and vertical cursors (h & v) you can display the horizontal and vertical cursors simultaneously and measure vertical (y axis) and horizontal (x axis) values. measurement source waveform (trace) set the measurement source waveform to one of the waveforms below. xy1 to xy8 moving the cursors (v cursor1/v cursor2, h cursor1/h cursor2) use v-cursor1, v-cursor2, h-cursor1, and h-cursor2 to move the cursors. taking the center of the waveform display window to be 0 div, you can move the cursors within the range of ?5 to 5 div in 0.01 div steps. measurement items (item setup) you can measure the following horizontal (x axis) and vertical (y axis) values at the cursor positions. horizontal axis (x axis) x1 horizontal (x axis) value at v-cursor1 x2 horizontal (x axis) value at v-cursor2 x difference between the horizontal (x axis) values of v-cursor1 and v-cursor2 vertical axis (y axis) y1 vertical (y axis) value at h-cursor1 y2 vertical (y axis) value at h-cursor2 y difference between the vertical (y axis) values of h-cursor1 and h-cursor2 marker cursors (marker) four markers are displayed on the selected waveform. you can measure the level at each marker, the amount of time from the trigger position to each marker, and the level and time differences between markers. markers (marker1 through 4) select the markers, from marker1 to 4, that you want to display. you can assign each marker to a different waveform. measurement source waveform (trace) set the measurement source waveform to one of the waveforms below. xy1 to xy8 9 cursor measurement free datasheet http://
9-9 im dl850-01en position (position) set the position of the selected marker. taking the center of the waveform display window to be 0 div, you can move the markers within the range of ?5 to 5 div in steps of the following size: time/div 10 display record length. marker shape (marker form) set the shape of the displayed marker to one of the options below. ? mark: a dot ? line: a crosshair measurement items (item setup) marker cursors move on the waveform data. you can measure the following values at the markers. x1 horizontal (x axis) value at marker1 x2 horizontal (x axis) value at marker2 x3 horizontal (x axis) value at marker3 x4 horizontal (x axis) value at marker4 y1 vertical (y axis) value at marker1 y2 vertical (y axis) value at marker2 y3 vertical (y axis) value at marker3 y4 vertical (y axis) value at marker4 t1 time from the trigger position at marker1 t2 time from the trigger position at marker2 t3 time from the trigger position at marker3 t4 time from the trigger position at marker4 (t2-t1) time difference between marker1 and marker2 (t3-t1) time difference between marker1 and marker3 (t4-t1) time difference between marker1 and marker4 fft waveforms cursor types (type) the following types of fft waveform cursors are available. ? off: cursor measurement is not performed. ? marker cursors (marker) : you can use four marker cursors to measure frequencies, levels, and the distances between markers. ? peak cursors (peak ) : you can use peak cursors to measure peak frequency and level values. marker cursors (marker) you can measure the frequency and level at each marker and the frequency and level differences between markers. you can select a measurement source waveform for each cursor. markers (marker#) the selected markers appear on the measurement source waveforms. measurement source waveform (trace) set the measurement source waveform for each marker to one of the waveforms below. ? off: disables measurement. ? fft1: the waveform in the fft1 window is measured. ? fft2: the waveform in the fft2 window is measured. you can make measurements in the fft2 window on models equipped with the /g2 option. 9 cursor measurement free datasheet http://
9-10 im dl850-01en position (position) set the position of the selected marker. you can move the markers within the range of ?5 to 5 div of the frequency axis in 0.01 div steps. marker shape (marker form) set the shape of the displayed marker to one of the options below. ? mark: a dot ? line: a crosshair measurement items (item setup) marker cursors move on the waveform data. you can measure the following values at the markers. x1 frequency at marker1 x2 frequency at marker2 x3 frequency at marker3 x4 frequency at marker4 (x2-x1) frequency difference between marker1 and marker2 (x3-x1) frequency difference between marker1 and marker3 (x4-x1) frequency difference between marker1 and marker4 (x3-x2) frequency difference between marker2 and marker3 (x4-x2) frequency difference between marker2 and marker4 (x4-x3) frequency difference between marker3 and marker4 y1 level at marker1 y2 level at marker2 y3 level at marker3 y4 level at marker4 (y2-y1) level difference between marker1 and marker2 (y3-y1) level difference between marker1 and marker3 (y4-y1) level difference between marker1 and marker4 (y3-y2) level difference between marker2 and marker3 (y4-y2) level difference between marker2 and marker4 (y4-y3) level difference between marker3 and marker4 peak cursors (peak) the dl850/DL850V detects the waveform peaks in the range of ?5 to 5 div of the frequency axis and measures their frequencies and levels. measurement items (item setup) the following values at the peaks are measured. f2 and y2 are items that can be measured on models with the /g2 option. f1 frequency at peak1 f2 frequency at peak2 y1 level at peak1 y2 level at peak2 9 cursor measurement free datasheet http://
9-11 im dl850-01en notes about cursor measurement cursor measurement ? you cannot perform cursor measurement on snapshot waveforms or accumulated waveforms that have been acquired in the past. you can perform cursor measurement on the most recent accumulated waveform. ? for history waveforms, cursor measurement is performed on t he waveform whose record number is selected. ? the measured time values are based on the trigger position. ? the measured value for data that cannot be measured appears as ***. ? the pulse/rotate setting only affects the x-axis (horizontal) cursor measurement values. ? while the dual capture window is displayed, you can perform cursor measurements on captured waveforms. to perform cursor measurements on the main waveform, on the dual capture menu, turn the display of the dual capture window off (window: off). ? the results of measuring captured waveforms are displayed in italics. selectable range of cursor positions in cursor measurements, measurement is performed on the data stored in the acquisition memory, not on the displayed data. because 1001 points along the time axis are used to display the waveform, the number of acquired data points is equal to the set record length 1.001. if the record length is set to 10 kpoint, the number of acquired data points is 10010. therefore, if the record length is set to 10 kpoint, there will be 10 points of measured data at the same position on the screen. the cursor display position is normally within 5 div of the center of the waveform display window. in this case, if the cursor display position is set to 5 div from the center of the window, only 1 point out of 10 points can be measured even if there are 10 points of measured data at the same time axis position. for these kinds of situations, the cursor position can be set in the range of ?5 div to 5.009 div (if the record length is set to 10 kpoint) from the center of the window. in other words, you can measure the data at the right end of the waveform display window by setting the cursor position to a value in the range of 5.000 to 5.009 div from the center of the window. because the number of points at the same time axis position increases as the record length gets larger, the range varies depending on the record length (5.000 to 5.0099 div for 100 kpoint). C5.000 div C4.991 div 0.000 div 0.009 div 5.000 div C5 div 0 5 div 5.009 div range within which the cursors can be set record length = 10 kpoint (10010 points) there are 10 points of measured data. range within which the cursors can be moved cursor positions for 10 points of measured data 0.001 div = 1 point of measured data notes about using the 16-ch voltage input module 9 cursor measurement free datasheet http://
10-1 im dl850-01en 10 automated measurement of waveform parameters the dl850/DL850V can automatically measure various parameters of the displayed waveform, such as the maximum and minimum values. it can also compute statistics for the automatically measured data. mode settings (mode) the following types of statistical processing are available for the automatically measured values of waveform parameters. ? off: automated measurement is not performed. ? automated measurement of waveform parameters (on) : automated measurement is performed. ? normal statistical processing (statistics ): normal statistical processing is performed. ? cyclic statistical processing (cycle statistics ): statistical processing is performed for each period (cyclic statistical processing). ? statistical processing of history waveforms (history statistics ): statistical processing is performed on history waveforms. automated measurement of waveform parameters (on) the dl850/DL850V automatically measures the specified measurement items on the source waveform. measurement items (measure setup) measurement source waveform (trace) set the measurement source waveform to one of the waveforms below. ch1 to ch16, 1 16chvolt, 2 can, 3 math1 to math8, xy1 to xy8 1 you can select the channel of an installed module. you cannot select the channel of a logic module. 2 if the 16-ch voltage input module is installed. after you select 16chvolt, select a sub channel. 3 on the DL850V when a can bus monitor module is installed. after you select can, select a sub channel. if the data type (value type) is set to logic, you will not be able to select it. measurement item (item) you can choose from the 28 measurement items and delay measurement items listed below. the dl850/ DL850V can store a total of up to 64000 data values for all waveforms (ch1 through ch16, 16chvolt, can, and math1 to math8). a total of up to 32 measurement items can be displayed on the screen. free datasheet http://
10-2 im dl850-01en ? voltage measurement items peak to peak(p-p) p-p value (max ? min) [v] amplitude(amp) amplitude (high ? low) [v] maximum(max) maximum voltage [v] minimum(min) minimum voltage [v] high high voltage [v] low low voltage [v] average(avg) average voltage ((1/n)xi) [v] middle(mid) (max + min)/2 [v] rms 1 rms voltage ((1/ (n))((xn 2 )) 1/2 ) [v] std.deviation(sdev) standard deviation (1/n(xi 2 ? (xi) 2 /n) 1/2 ) [v] +overshoot(+over) overshoot ((max ? high)/(high ? low) 100) [%] ? overshoot( ? over) undershoot ((low ? min)/(high ? low) 100) [%] 1 on a channel that has been set to power spectrum computation (ps or psd), if rms is set to on, rms = overall value appears on the screen. * the names in parentheses are the measurement item nam es that appear when the measured values are displayed. p-p max min high low +over Cover ? time measurement items rise rise time [s] fall fall time [s] frequency(freq) frequency [hz] period period [s] +width time width of the portion that is greater than the mesial value [s] ? width time width of the portion that is less than the mesial value [s] duty duty cycle (+width/period 100) [%] avg.frequency(avg.f) average frequency in the measurement time period [hz] avg.period(avg.p) average period in the measurement time period [s] * the names in parentheses are the measurement item names that appear when the measured values are displayed. +width Cwidth period distal line (90%) mesial line (50%) proximal line (10%) rise fall high (100%) low (0%) 10 automated measurement of waveform parameters free datasheet http://
10-3 im dl850-01en pulse pulse count set the measurement time period (time range) to a value appropriate for the pulse that you want to measure. period mesial line (50%) when pulse = 3 distal line (90%) proximal line (10%) t1 t2 burst1 and burst2 burst period [s] set the measurement time period (time range) to a value appropriate for the burst period that you want to measure. burst1 distal line (90%) proximal line (10%) period t1 t2 mesial line (50%) burst2 ? other measurement items when trace is set to ch, sub channel, or math integ1ty(integ1) area of the positive amplitude integ2ty(integ2) area of the positive amplitude ? area of the negative amplitude when trace is set to xy integ1xy(integ1) total triangular area of the x-y waveform integ2xy(integ2) total trapezoidal area of the x-y waveform * the names in parentheses are the measurement item names that appear when the measured values are displayed. for detailed information about how the area of the x-y waveform is computed, see appendix 1, how waveform areas are calculated. all clear (all clear) you can turn off all the items for the waveform selected for trace at once. copy (copy to) you can copy the settings of the waveform selected for trace to other traces. ? y ou can turn the following channels on and off separately: ch1 to ch16, 1 16chvolt, 2 can, 3 math1 to math8. 1 you can select the channel of an installed module. you cannot select the channel of a logic module. 2 if the 16-ch v oltage input module is installed. select individual sub channels from the ones displayed. 3 on the DL850V when a can bus monitor module is installed. select individual sub channels from the ones displayed. if the data type (value type) is set to logic, you will not be able to select it. ? all on: all traces are turned on. ? all off: all traces are turned off. ? execute: select execute to copy the settings. when trace is set to xy, all clear and copy to are not available. 10 automated measurement of waveform parameters free datasheet http://
10-4 im dl850-01en setting the delay (delay setup) the time difference between traces or the time difference from the trigger point to a rising or falling edge is called the delay between channels. reference waveform (reference) source waveform (measure) count 1 count n1 count n2 count 1 delay between channels ? polarity ? edge count reference waveform settings source waveform settings period ? polarity ? edge count mesial line : (rising) : n1 (an integer between 1 and 9) : (rising) : n1 (an integer between 1 and 9) ? mode select a delay measurement mode. ? off: delay measurement is not performed. ? time: the delay between channels is displayed as a time. ? degree: the delay between channels is displayed as an angle. ? polarity select the slope of the edge you want to detect. ? : rising ? : falling ? edge count sets which edge counted from the start point (t range1) of the measurement time period to use as a detected point (measured point). selectable range: 1 to 9 ? reference select whether to use a trace or trigger as the reference for th e reference waveform. ? trace: a trace is used. ? trigger: a trigger is used. ? reference waveform (reference trace) when reference is set to trace, set the reference waveform. ? trace: select a reference waveform. ch1 to ch16, 1 16chvolt, 2 can, 3 math1 to math8 1 you can select the channel of an installed module. you cannot select the channel of a logic module. 2 if the 16-ch voltage input module is installed. after you select 16chvolt, select a sub channel. 3 on the DL850V when a can bus monitor module is installed. after you select can, select a sub channel. if the data type (value type) is set to logic, you will not be able to select it. ? polarity: select the slope of the edge you want to detect ( : rising, : falling). ? edge count: sets which edge counted from the start point (t range1) of the measurement time period to use as a detected point (reference point). selectable range: 1 to 9 10 automated measurement of waveform parameters free datasheet http://
10-5 im dl850-01en ? the voltage level of the detected point is the mesial line. ? the measurement item name that appears when the measured values are displayed is (delay). ? if mode is set to degree and reference is set to trigger, the measured value is displayed as *****. detail parameter (detail parameter) set the reference level that is used to measure various parameter values, such as the rise and fall times, for each measurement source waveform. ? distal, mesial, and proximal unit setting (mode) set the method for setting the three levels that are used as ref erences in the measurement of various parameter values, such as the rise and fall times. ? % y ou can set the distal, mesial, and proximal values as percentages of the specified trace (ch1 to ch16, 16chvolt, can, or math1 to math8). the high value of the specified trace is equal to 100%, and the low value is equal to 0%. ? unit y ou can set the distal, mesial, and proximal values of the specified trace (ch1 to ch16, 16chvolt, can, or math1 to math8) by specifying physical values, such as voltages or temperatures. ? distal, mesial, and proximal settings (distal, mesial, proxi mal) you can set the distal, mesial, and proximal values. ? selectable range: 0.0 to 100.0% (in 0.1% steps) or voltage or temperature values that correspond to 10 div (the steps that you can set voltage and temperature values in vary depending on the module. see range of v/div ). ? high/low specification method (high/low) the high and low levels are the 100% and 0% levels used to m easure various parameter values, such as the rise and fall times. you can choose one of the following methods for setting the high and low levels. ? auto the dl850/DL850V sets the high value to the high amplitude level and the low value to the low amplitude level based on the voltage level frequency of the waveform in the measurement time period while taking into account the effects of ringing, spikes, etc. this method is suitable for measuring square waves and pulse waves. ? max-min the dl850/DL850V sets the high and low values to the maxim um and minimum values in the measurement time period. this method is suitable for measuring sinusoidal and saw waves. it is not suitable for waveforms that have ringing and spikes. measurement time period (time range1/time range2) set the measurement time period using two vertical cursors. the position of the thin dashed line (time range1) is the measurement start point. the position of the thick dashed line (time range2) is the measurement end point. the number of data points in the measured waveform can be up to 100 mpoint from the measurement start point. the measurement time period is similar to the selectable range of the cursor display position in cursor measurement. for details, see selectable range of cursor positions. 10 automated measurement of waveform parameters free datasheet http://
10-6 im dl850-01en 1-cycle mode (1-cycle mode) instead of automatically measuring the measurement time period specified by time range1 and time range2, you can automatically measure the first period after time range1. the method of determining the period is the same as the method for determining the period measurement item. in this mode, after the period is determined, the values of the measurement items related to voltage and area are computed. this mode is effective for measurement items, such as rms or avg, that may result in errors depending on the measurement time period setting. the measurements of time axis items and x-y areas are not affected. ? off: 1-cycle mode is disabled. ? on: 1-cycle mode is enabled. time range1 time range2 distal line (90%) proximal line (10%) mesial line (50%) high (100%) low (0%) 1 cycle off measurement time period for each cycle mode if the space between time range1 and time range2 is less than one period, ***** is displayed for the measured value. notes about automated measurement of waveform parameters ? measurements cannot be made on a snapshot waveform or an accumulated waveform that is not the most recent waveform. ? when an item is impossible to measure (its measurement time period is greater than 100 mpoint), its measured value is displayed as *****. ? the dl850/DL850V may not measure correctly if the waveform amplitude is small. ? if there are two or more waveform periods within the measure ment time period, the time-axis parameters are measured on the first period. ? logic waveforms cannot be automatically measured. ? when automated measurement is performed on a waveform that has been recorded to a hard disk, extra time will be required for hard disk access. ? automated measurement may require additional time dependi ng on settings such as the memory length, the number of measurement items, and the input waveform. during automated measurement, appears in the center of the screen. ? t o cancel automated measurement, set mode to off. measurement stops immediately. ? o nly the max and min items can be measured for fft waveforms. only the overall rms power spectrum value can be measured. ? while the dual capture window is displayed, you can perform a utomated measurements of waveform parameters on captured waveforms. t o perform automated measurement of the waveform parame ters in the main window, turn the display of the dual capture window off. ? the automated measurement results of captured waveforms a re displayed in italics. 10 automated measurement of waveform parameters free datasheet http://
10-7 im dl850-01en normal statistical processing (statistics) while acquiring waveforms, the dl850/DL850V calculates the statistics of the waveforms that it has acquired so far. if you stop waveform acquisition and then restart it, the dl850/DL850V will continue statistical processing and include the data from before waveform acquisition was stopped. the dl850/DL850V also performs statistical processing for selected automatically measured items that are not displayed. the number of measured values used to calculate statistics (count) is equal to the number of waveforms that have been acquired up to that point. if you add an additional automatically measured item to apply statistical processing to, the number of measured values used to calculate the statistics (cnt) is reset to 1 regardless of whether the dl850/DL850V is acquiring waveforms. measurement items (measure setup) statistical processing is performed on the same measurement items that the automated measurement of waveform parameters is performed on. the following five statistics are computed for the measurement items whose measurement has been turned on. the maximum number of measurement items that can be displayed on the screen is 3. ? maximum: maximum value ? minimum: minimum value ? average: average value ? sdev: standard deviation ? count: number of measured values used to calculate statistics the measurement items are the same as those for the automated measurement of waveform parameters. if you select ch1 p-p as the automatically measured item, the number of measured values used to calculate the maximum, minimum, mean, and standard deviation values for ch1 p-p appear at the bottom of the screen. the dl850/DL850V can display the statistical results of three automatically measured items. if four or more automatically measured items are selected, the dl850/DL850V displays the first three items ordered by ascending channel number and the order that the items appear in the item setup automated-measurement- item selection menu (p-p , amp, max, min, ..., init1xy, and init2xy). example 1: when ch1: p-p , amp; ch2: min; ch3: max, min are selected, the following items are displayed: ch1: p-p; ch2: min; ch3:max. example 2: when ch1: max, min; ch2: p-p , amp are selected, the following items are displayed: ch1: max, min; ch2: p-p. you can view the statistics of other items in the following way. ? load the items into a pc using the communication feature. ? save the statistical items as automated measurement values o f waveform parameters, and load the data into a pc. ? scroll through the list of calculated statistics using the arrow k eys. measurement time period (time range1/time range2) this setting is the same as the measurement time period setting for the automated measurement of waveform parameters. 10 automated measurement of waveform parameters free datasheet http://
10-8 im dl850-01en 1-cycle mode (1-cycle mode) this setting is the same as the 1-cycle mode setting for the automated measurement of waveform parameters. cyclic statistical processing (cycle statistics) the dl850/DL850V determines periods in order from the oldest data of the displayed waveform, measures the selected automatically measured items within each period, and performs statistical processing on the results of automated measurement. the method used to determine the period in cyclic statistical processing is the same as the method used to determine the period waveform parameter. you can choose whether to determine the period for the selected waveform and use it on all source waveforms or to determine individual periods for each waveform. measures the items in ranges a, b, and c, and calculates statistics on the items in the order a, b, and c. the items of other channels are also measured in ranges a, b, and c. if you select own, the items are measured over each waveforms period. example in which cycle trace is set to ch2 c b a ch2 ch1 measurement items (measure setup) these items are the same as those for the normal statistical processing of automated measurement parameters. the following items are not measured: ? for waveforms that are used in period determination avg.frequency, avg.period, pulse (pulse count), integ1xy (area), integ2xy (area), delay ? for other waveforms integ1xy (area), integ2xy (area), delay measurement time period (time range1/time range2) this setting is the same as the measurement time period setting for the automated measurement of waveform parameters. 10 automated measurement of waveform parameters free datasheet http://
10-9 im dl850-01en cycle trace (cycle trace) selects the source waveform used to determine the period. ? ch1 to ch16, 1 16chvolt, 2 can, 3 math to math8 the period of the specified waveform is applied to all waveforms. 1 you can select the channel of an installed module. you cannot select the channel of a logic module. 2 if the 16-ch voltage input module is installed. after you select 16chvolt, select a sub channel. 3 on the DL850V when a can bus monitor module is installed. after you select can, select a sub channel. if the data type (value type) is set to logic, you will not be able to select it. ? own a period is determined for each source waveform. however, if signals that have different periods are applied to multiple channels, the number of iterations of automated measurement and statistical processing for each signal is equal to the number of periods in the slowest signal. ch2 ch1 the number of cycles in the channel with the slowest cycle (ch3) is four, so statistical processing is performed on the four oldest cycles of the data for ch1 and ch2. the remaining data is not used for statistical processing. when cycle trace is set to own ch3 statistically processed cycles statistically processed cycles statistically processed cycles statistical processing is performed in periods that are determined in order from the oldest data of the displayed waveform. it cannot be used at the same time as 1-cycle mode. execution of measurement (execute measure) executes statistical processing. you can select execute measure when mode is set to cycle statistics or history statistics. press abort to stop statistical processing. ? the number of cycles being used for the cyclic statistical processing is displayed in the statistical displays count column. ? the number of cycles that can be used in cyclic statistical processing varies depending on the number of measured items that the dl850/DL850V is calculating the statistics of. 64000/(the number of measured items that the dl850/DL850V is calculating the statistics of) 10 automated measurement of waveform parameters free datasheet http://
10-10 im dl850-01en result display (display result) displays a list of calculated statistics. you can display the list of statistics when mode is set to cycle statistics or history statistics. numbers are assigned to the data in order from the oldest cycle data or history data, and the automated measurement results for each number are displayed. the maximum and minimum values for each parameter are indicated on the list by (maximum value) and (minimum value). if the same value appears in multiple locations, the oldest occurrence of the value is marked as the maximum or minimum value. the number of data points that can be listed is 64000. if the number of data points exceeds 64000, the most recent data points in the history waveform or automatically measured item data are displayed. if the number of data points exceeds 64000, the maximum and minimum values may be outside of range of the displayed list. when this happens, (maximum value) and (minimum value) will not appear. ? sort sorts the list in the specified order. forward (from the oldest) or reverse (from the latest) ? statistics max moves to the maximum value ( ) for the selected measurement item. ? statistics min moves to the minimum value ( ) for the selected measurement item. in cyclic statistical processing, you can select a waveform number (one period) with the jog shuttle and press the set key to zoom in on it. statistical processing is only performed on the number of data points that can be displayed in the list. statistical processing of history waveforms (history statistics) in the statistical processing of history waveforms, the dl850/DL850V measures automatically measured items on the acquired waveform using the history feature and performs statistical processing on them. statistical processing is performed on older waveform data first. the waveforms that statistical processing is performed on are those waveforms shown in the list that can be accessed from the history menu. statistical processing of history waveforms can be used with 1-cycle mode and the delay feature. measurement items (measure setup) these items are the same as those for the normal statistical processing of automated measurement parameters. measurement time period (time range1/time range2) this setting is the same as the measurement time period setting for the automated measurement of waveform parameters. execution of measurement (execute measure) this item is the same as the execute measure item for cyclic statistical processing. ? in the statistical processing of history waveforms, the number of history waveforms that processing is performed on is indicated in the count column of the statistical value display. ? the number of history waveforms that can be used in the stati stical processing of history waveforms varies depending on the number of measured items that the dl850/DL850V is calculating the statistics of. 64000/(the number of measured items that the dl850/DL850V is calculating the statistics of) 10 automated measurement of waveform parameters free datasheet http://
10-11 im dl850-01en result display (display result) this item is the same as the display result item for cyclic statistical processing. in the statistical processing of history waveforms, you can select a waveform with the jog shuttle and press the set key to zoom in on it. notes about statistical processing ? during statistical processing, appears in the center of the screen. all soft keys except for abort are invalid. ? statistical processing cannot be performed: ? on waveforms that have been recorded to a hard disk. ? on fft waveforms. ? when the measurement time period is greater than 100 mpoint. ? the starting and stopping of statistical processing may require additional time depending on settings such as the record length, the number of statistical processing items, and the input waveform. ? while the dual capture window is displayed, you can perform s tatistical processing on captured waveforms. to perform statistical processing on the waveforms in the main window, turn the display of the dual capture window off. ? the automated measurement results of captured waveforms a re displayed in italics. notes about using the 16-ch voltage input module 10 automated measurement of waveform parameters free datasheet http://
11-1 im dl850-01en 11 computation you can perform various computations on up to 1 mpoint of data. (when more than 1 mpoint of waveform data is displayed, computation is performed on the first 1 mpoint of data from the computation start point.) the results of computation are displayed in math1 to math8. waveforms stored through hard disk recording cannot be computed. turning computation on and off (mode) select whether to use computation. ? on: computation is used. ? off: computation is not used. computation waveform selection (select math trace) select a computed waveform to use to display the computation results. math1 to math8 computation settings (math setup) operator (operation) select an operator (type of computation) from the options below. ? off: computation is not performed. ? s1+s2 : adds the waveforms assigned to source1 and source2 ? s1 ?s2: subtracts the waveform assigned to source2 from the waveform assigned to source1 ? s1*s2 : multiplies the waveforms assigned to source1 and source2 ? s1/s2 : divides the waveform assigned to source1 by waveform assigned to source2 ? bin(s1) : converts the waveform assigned to source to binary ? ps(s1) : computes the power spectrum of the waveform assigned to source ? shift(s1) : shows the waveform assigned to source with its phase shifted ? user defin e: performs user-defined computation (/g2 option). free datasheet http://
11-2 im dl850-01en basic arithmetic (s1+s2, s1 ? s2, s1*s2, and s1/s2) performs addition, subtraction, multiplication, or division on the two waveforms assigned to source1 and source2. + computed waveform C computed waveform computed waveform computation source waveforms computed waveform computation source waveforms (source or source1 and source2) ch1 to ch16, 1 16chvolt, 2 can, 3 math1 to math7 4 1 you can select the channel of an installed module. you cannot select the channel of a logic module. 2 if the 16-ch voltage input module is installed. after you select 16chvolt, select a sub channel. 3 on the DL850V when a can bus monitor module is installed. after you select can, select a sub channel. if the data type (value type) is set to logic, you will not be able to select it. 4 y ou can use other computed waveforms as computation source waveforms. if the waveform that you are configuring is mathx, you can use a computation waveform up to mathx ? 1 as the computation source waveform. you cannot use another computation waveform as the computation source waveform for math1. when computation is performed on a linearly scaled channel, the scaled values are used. unit (unit) you can assign a unit of up to four characters in length to the computed results. the specified unit is reflected in the scale values. label (label) you can create a label of up to eight characters in length. the labels that you create are displayed on the screen. turning the display on and off (display) select whether to display the computed waveform. ? on: displays the computed waveform ? off: does not display the computed waveform binary conversion (bin (s1)) using the specified threshold levels, you can convert the waveform assigned to source to a digital waveform. 1 0 upper lower computation source waveform (source), unit (unit), label (label), and turning the display on and off (display) these settings are the same as those for basic arithmetic. upper and lower thresholds (thr. upper/thr. lower) set the upper and lower threshold values. all values above the upper threshold on the computation source waveform are converted to ones, and all values below the threshold are converted to zeros. 11 computation free datasheet http://
11-3 im dl850-01en power spectrum (ps (s1)) performs an fft (fast fourier transform) on the waveform assigned to source, and displays a power spectrum. you can use this function to view the frequency distribution of an input signal. computation source waveform (source), unit (unit), label (label), and turning the display on and off (display) these settings are the same as those for basic arithmetic. fft settings (fft setup) select the data points and window function to use for the fft. ? number of fft points (fft points) you can set the number of points from the start of computation on the t-y waveform to one of the options below. 1k, 2k, 5k, 10k, 20k, 50k, or 100k ? w indow function (window) you can select the window function from the following options. rect, hanning, flat top, hamming phase shift (shift (s1)) you can shift the phase of the waveform assigned to source, display the resulting waveform, and use the phase- shifted data in computations. computation source waveform (source), unit (unit), label (label), and turning the display on and off (display) these settings are the same as those for basic arithmetic. shift (shift) you can shift waveforms within the following ranges. ? when an internal clock is being used as the t ime base selectable range: the time values between ?(record length/2) points to (record length/2 points) step: 1 sample rate the sample rate varies depending on how the record length a nd time/div settings are configured. for details, see appendix 1, relationship between the time axis setting, record length, and sample rate in the getting started guide, im dl850-03en. ? when an external clock is being used as the t ime base selectable range: ?(record length/2) points to (record length/2 points) step: 1 11 computation free datasheet http://
11-4 im dl850-01en scaling mode (scaling mode) set the method used to set the vertical display range of computed waveforms to one of the following options. ? auto: the upper and lower limits are set automatically. ? manual: the upper and lower limits must be set manually. upper and lower limits (upper/lower) set the upper and lower limits when scaling mode is set to manual. the selectable range is ?9.9999e+30 to 9.9999e+30. start point and end point (start point and end point) set the range of computation by specifying a computation start and end point. the default settings are ?5 div and +5 div. the maximum range from the computation start point to the computation end point varies as indicated below depending on the number of computations. ? one computation: up to 1 mpoint ? two computations: up to 500 kpoint ? three or four computations: up to 250 kpoint ? five to eight computations: up to 125 kpoint the computation range points are similar to the settable range of the cursor display position in cursor measurement. for details, see selectable range of cursor positions. an icon ( ) appears in the center of the top of the screen when computations are being executed. user-defined computation (optional) you can perform user-defined computation on models with the /g2 option. operator (operation) select user define. expression (expression) - user-defined create an expression by combining computation source waveforms, variables, constants, functions, and operators. computation source waveforms and variables you can use the following waveforms and variables. menu item description c1 to c16 waveforms from ch1 to ch16 cn_1 to cn_16 the waveforms of sub channels 1 to 16 on a 16-ch voltage input module n = 1, 3, 5, 7, 9, 11, 13, 15 cn_1 to cn_16 the waveforms of sub channels 1 to 16 on a can bus monitor module (you can configure up to 60 sub channels on modules whose firmware version is 1.2 or later.) n = 13 to 16 if the data type (value type) is set to logic, you will not be able to select it. m1 to m7 math waveforms t total number of data points in the time direction when computation is performed on a linearly scaled channel, the scaled values are used. 11 computation free datasheet http://
11-5 im dl850-01en operators and functions you can use the following operators and functions. menu item example description +, ? , *, / c1+c2 displays the result of performing basic arithmetic on two specified waveforms shift shift(c1) displays the result of shifting the specified waveforms phase abs abs(m1) displays the absolute values of the specified waveform sqrt sqrt(c2) displays the square root of the specified waveform log log(c1) displays the log of the specified waveform exp exp(c1) displays the exponent of the specified waveform neg neg(c1) displays the specified waveform inverted around 0 sin sin(t) displays the sine of the specified waveform cos cos(c1) displays the cosine of the specified waveform tan tan(c1) displays the tangent of the specified waveform atan atan(c1, c2) displays the arc tangent of the two specified waveforms (a value within ) ph ph(c1, c2) displays the phase difference between the two specified waveforms dif dif(c1) displays the derivative of the specified waveform ddif ddif(c1) displays the 2nd order derivative of the specified waveform intg intg(c1) displays the integral of the specified waveform iinteg iinteg(c1) displays the double integral of the specified waveform bin bin(c1, up, lo) displays the result of converting specified waveform to binary 1 p2 p2(c1) displays the square of the specified waveform p3 p3(c1) displays the cube of the specified waveform f1 f1(c1, c2) displays the result of computing c1 2 +c2 2 for the specified waveforms f2 f2(c1, c2) displays the result of computing c1 2 ?c2 2 for the specified waveforms fv fv(c1) displays the inverse of the pwhh of the pulse width pwhh pwhh(m1, up, lo) displays the computation of the pulse widths between a rising edge and the next rising edge 1 pwhl pwhl(c2, up, lo) displays the computation of the pulses width between a rising edge and the next falling edge 1 pwlh pwlh(c1, up, lo) displays the computation of the pulse widths between a falling edge and the next rising edge 1 pwll pwll(c1, up, lo) displays the computation of the pulse widths between a falling edge and the next falling edge 1 pwxx pwxx(c2, up, lo) displays the computation of the pulse widths from a rising or falling edge to the next rising or falling edge 1 dutyh dutyh(c1, up, lo) positive (high) duty cycle within each cycle of the specified waveform 1 dutyl dutyl(c1, up, lo) negative (low) duty cycle within each cycle of the specified waveform 1 filt1 filt1(c1) displays the result of applying a filter to the specified waveform filt2 filt2(c1) displays the result of applying a filter to the specified waveform hlbt hlbt(c1) displays the hilbert transform of the specified waveform mean mean(c1) displays the 10th-order moving average of the specified waveform ls- ls-mag(c1) displays the amplitude of the specified waveforms linear spectrum ls-logmag(c1) displays the logarithmic amplitude of the specified waveforms linear spectrum ls-phase(c1) displays the phase of the specified waveforms linear spectrum ls-real(c1) displays the real part of the specified waveforms linear spectrum ls-imag(c1) displays the imaginary part of the specified waveforms linear spectrum ps- ps-mag(c1) displays the amplitude of the specified waveforms power spectrum ps-logmag(c1) displays the logarithmic amplitude of the specified waveforms power spectrum psd- psd-mag(c1) displays the amplitude of the specified waveforms power spectrum density psd-logmag(c1) displays the logarithmic amplitude of the specified waveforms power spectrum density cs- cs-mag(c1, c2) displays the amplitude of the cross spectrum of the two specified waveforms cs-logmag(c1, c2) displays the logarithmic amplitude of the cross spectrum of the two specified waveforms cs-phase(c1, c2) displays the phase of the cross spectrum of the two specified waveforms cs-real(c1, c2) displays the real part of the cross spectrum of the two specified waveforms cs-imag(c1, c2) displays the imaginary part of the cross spectrum of the two specified waveforms tf- tf-mag(c1, c2) displays the amplitude of the transfer function of the two specified waveforms tf-logmag(c1, c2) displays the logarithmic amplitude of the transfer function of the two specified waveforms tf-phase(c1, c2) displays the phase of the transfer function of the two specified waveforms tf-real(c1, c2) displays the real part of the transfer function of the two specified waveforms tf-imag(c1, c2) displays the imaginary part of the transfer function of the two specified waveforms ch- ch-mag(c1, c2) displays the amplitude of the coherence function of the two specified waveforms 1 set the source waveform and the upper and lower threshold levels (up and lo). 11 computation free datasheet http://
11-6 im dl850-01en constants menu item description k1 to k8 0 to 9 ? exp e notation. selectable range: ?30 to +30 use this constant to enter values in e notation (1e+3 = 1000, 2.5e?3 = 0.0025). it is displayed as e in expressions to distinguish it from the exp operator. automated measurement values of waveform parameters (measure) you can use the automated measurement values of waveform parameters in expressions. the dl850/DL850V cannot retrieve waveform parameter values when the display of the measurement source waveform is off. combinations of operators that are not allowed ? an expression cannot be used in another expression with a sm aller number. example: math5 = m6 + m3 ? expressions containing only constants (k1 to k8) are not allowed. example: math5 = k1 + k8 ? an expression can only contain up to two filt1 or filt2 functions. example: filt1(c1)+filt1(c2)+filt1(c3) ? a single fft expression can only contain one operator. example: ps ?mag(c1+c2) ? additional computations cannot be performed on fft results. example: ps ?mag(c1)+c2 ? additional computations cannot be performed on pulse width c omputations. example: pwhh(c1)+c2 ? only one operator can be used in a single phase-shift computation, pulse-width computation, or binary- conversion expression. example: shift(c1+c2), bin(c1 ?c2), pwhh(c1*c1) if you want to perform an fft, phase-shift, pulse-width, or binary-conversion computation on the computed results of an expression such as c1+c2, create expressions like these: m1=c1+c2, m2=ps ?mag(m1). unit (unit), label (label), and turning the display on and off (display) these settings are the same as those for basic arithmetic. scaling mode (scaling mode), upper and lower limits (upper/lower), and start and end points (start point/end point) 11 computation free datasheet http://
11-7 im dl850-01en averaging settings (average setup) - user-defined you can average and compute the peak values of the results of user-defined computation. averaging modes (average mode) the following types of averaging are available. ? off: averaging is not performed. ? linear averaging (linear) : values are averaged linearly. ? exponential averaging (exp ) : values are averaged exponentially. ? cycle averaging (cycle ) : values are averaged across cycles. ? peak computation (peak ): peak values are computed. linear averaging (linear) the number of values specified by the average count are added and divided by the average count, and the resulting values are used to display the waveform. for the equation, see the equation for linear averaging in averaging mode . ? a verage domain (average domain) select what to average. ? t ime: a time-domain waveform is averaged. ? freq: a frequency-domain waveform is averaged. ? linear count (linear count) set the average count. selectable range: 2 to 128 in 2 n steps exponential averaging (exp) using the specified attenuation constant, the dl850/DL850V attenuates the influence of previous computed data to produce averaged values, and uses the results to display the waveform. for the equation, see the equation for exponential averaging in averaging mode . ? a verage domain (average domain) ? attenuation constant (average weight) set the attenuation constant. selectable range: 2 to 256 in 2 n steps 11 computation free datasheet http://
11-8 im dl850-01en cycle averaging (cycle) the data from the computation start point to the computation end point is divided into the number of data points (cycle count) that is specified as being a single cycle, and equivalent points in each divided cycle are averaged with each other. the resulting values are used to display the waveform. the figure below shows the results of cycle averaging when cycle count is set to 720. 1 2 3 4 5 721 (1) 722 (2) 723 (3) 724 (4) 725 (5) 1441 (1) 1442 (2) 1443 (3) 1 721 1441 ............ computed data 720 1440 2160 ....... 720 1440 (720) 1 cycle 1 cycle ? ? ? ? ? ? ? ? ? ? ? cycle averaging results equivalent points in each divided cycle are linearly averaged, and the resulting values are used to display the waveform. ? cycle count (cycle count) set the number of data points in one cycle. selectable range: 10 to 1800 ? all the data between the computation start and end points can be computed. if the data cannot be divided evenly by the specified cycle count, the remaining data is ignored. ? cycle averaging cannot be performed on an fft waveform. ? cycle averaging example when the record length is 10 kpoint, the cycle count is 720, the computation start point is ? 5.000 div, and the computation end point is +5.000 div 10 k/720 = 13.88... : 13 cycles are used for the computation. 13720 = 9360 : the data from the computation start point (po int 1) to point 9360 is included in the cycle average computation. 11 computation free datasheet http://
11-9 im dl850-01en peak computation (peak) the maximum value at each point of the computed data is determined, and the resulting values are used to display the waveform. for each computation, the new computed value is compared with the past value, and the larger value is kept. 3 sets of fft data the maximum values of each point are displayed. ? the dl850/DL850V normally performs scaling by using the computed data at the beginning (auto scaling). for coherence functions and in other cases where the amplitude of the averaged waveform changes significantly, use manual scaling. ? when you execute averaging, after measurement is stopped, computation cannot be restarted. however, computation can be restarted if the number of data points for cycle averaging is changed. ? if you measure an averaged waveform with auto scaling enab led, you cannot change the scaling by switching to manual scaling after measurement has stopped. changes to the scaling settings are applied to the next measurement. ? in user-defined computation, averaging cannot be performed o n pulse width computation. ? if you change the computation conditions during averaging, the computed data up to that point is deleted, and averaging starts over. fft settings (fft setup) - user-defined fft computation is performed when you specify an operator that uses fft computation (ls, ps, psd, cs, tf, or ch). set the number of fft points, the window function, the damping rate, and force1 and force2. the results of the fft appear in the selected computation waveform. other than the fact that no fft window is displayed, this is the same as the fft computation that can be performed from the fft menu. filter settings (filter setup) - user-defined when using filt1 and filt2 in user-defined computation, set the digital filter type, filter band, and cutoff frequency for each of the two filters (filter1 and filter2). filter type (filter type) and filter band (filter band) filter type (filter type) filter band (filter band) gauss low-pass sharp low-pass, high-pass, band-pass iir (butterworth) low-pass, high-pass, band-pass cutoff1 and cutoff2 (cutoff1/cutoff2) set the cutoff frequency. when filter band is set to low-pass or high-pass, set cutoff1; when filter band is set to band-pass, set cutoff1 and cutoff2. selectable range: 2.0 to 30.0% of the sample rate resolution: steps of 0.2% of the sample rate 11 computation free datasheet http://
11-10 im dl850-01en constant settings (constant setup) - user-defined set values for k1 to k8. the selectable range is ?9.9999e+30 to 9.9999e+30. notes about computation ? fft computation can be performed through the configuration of settings in the math menu or the fft menu ( ). in the fft menu, you can set the display format and choose a linear or logarithmic frequency domain (horizontal axis) scale. the data point and window function settings are shared for the math and fft menus. when you change the settings in one menu, the settings in the other menu are also changed. ? on models that do not have user-defined computation (/g2 op tion), when you enter the fft menu and turn fft computation on, the math7 operators become invalid and math7 cannot be used. on models that do have user-defined computation, when you enter the fft menu and set fft 1 and fft 2 to on, math7 and math8 cannot be used. ? when you perform fft computation on 50 kpoint or more of data using the fft menu, you cannot use computed waveforms. ? an icon ( ) appears in the center of the top of the screen when user-defined computation is being executed. ? waveforms stored through hard disk recording cannot be computed. notes about using the 16-ch voltage input module 11 computation free datasheet http://
12-1 im dl850-01en 12 fft you can display the power spectrum of an input waveform in the fft window. on models with user-defined computation (/g2 option), you can display up to two fft waveforms, and you can analyze the following spectrums in addition to the power spectrum. however, fft analysis cannot be performed on waveforms stored through hard disk recording. linear spectrums, power spectrum densities, cross spectrums , transfer functions, and coherence functions turning the fft on and off (display) set whether to perform fft analysis. if you set this to on, the fft window appears. ? on: fft analysis is performed. ? off: fft analysis is not performed. analysis source waveform (source) set the analysis source waveform to one of the waveforms below. ch1 to ch16, 1 16chvolt, 2 can, 3 math1 to math6 4 1 you can select the channel of an installed module. you cannot select the channel of a logic module. 2 if the 16-ch voltage input module is installed. after you select 16chvolt, select a sub channel. 3 on the DL850V when a can bus monitor module is installed. after you select can, select a sub channel. if the data type (value type) is set to logic, you will not be able to select it. 4 y ou cannot select math7 or math8. when analysis is performed on a linearly scaled channel, the scaled values are used. start point and number of fft points (start point and fft points) start point (start point) set the computation start point. the default setting is ? 5 div. selectable range: ?5 div to +5 div the start point is similar to the settable range of the cursor display position in cursor measurement. for details, see selectable range of cursor positions. number of fft points (fft points) you can set the number of points from the start of computation on the t-y waveform to one of the options below. 1k, 2k, 5k, 10k, 20k, 50k, or 100k free datasheet http://
12-2 im dl850-01en window function (window) you can select the window function from the following options. rect (rectangular window) the rectangular window is suited to transient signals, such as impulse waves, which attenuate completely within the time window. hanning (hanning window) the hanning window encourages continuity of the signal by gradually attenuating the parts of the signal located near the ends of the time window down to the 0 level. hence, it is suited to continuous signals. the hanning window has a higher frequency resolution than the flattop window. flattop (flattop window) the flattop window encourages continuity of the signal by gradually attenuating the parts of the signal located near the ends of the time window down to the 0 level. hence, it is suited to continuous signals. the flattop window has a higher spectral level accuracy than the flattop window. hamming (hamming window) in the hanning window, the values at the ends become 0 and the signal components there do not affect the spectrum. the hamming window is a corrected hanning window. its characteristics are similar to those of the hanning window, but the frequency resolution of its main beam is greater than that of the hanning window. the hamming window is suited for dividing close signals. exponential (exponential) the exponential window removes noise from the signal. it can only be selected on models with the user-defined computation option. the exponential window is suited for the signals of impulse-excitation frequency-response tests and other similar signals. t t t t t sine wave time windows integral power spectrum rectangular hanning t t hamming rectangular hanning flattop hamming : w(t) = u(t) C u(t C t) u(t): step function : w(t) = 0.5 C 0.5cos( 2 ) : w(t) = {0.54 C 0.46 cos( 2 )} : w(t) = 0.54 C 0.46cos( 2 ) t t flattop t t t t sin{2(1 C 2t/t)} 2(1 C 2t/t) t t for details about the exponential window, see appendix 2. vertical scale (vert. scale mode) you can select the method for setting the vertical scale from the following options. ? auto: the center and scale of the vertical axis are set automatically. ? manual: the center and scale of the vertical axis must be set manually. center/scale (center/sensitive) when vert. scale mode is set to manual, set the center and scale of the vertical axis. 12 fft free datasheet http://
12-3 im dl850-01en display ratio of the main window (main ratio) window layout (window layout) set the display position of the fft window. ? side: horizontal ? vertical: vertical horizontal scale (horiz. axis) select one of the following horizontal scale types. ? hz: a normal (linear) scale is used. ? log hz: a logarithmic scale is used. fft analysis on models with user-defined computation (option) you can analyze the following types of spectrums on models with user-defined computation (/g2 option). linear spectrums, power spectrum densities, cross spectrums, transfer functions, and coherence functions turning fft 1 and fft 2 on and off (display) set whether to perform fft analysis. if you set this to on, the fft windows appear. you can display separate fft analysis results in the fft 1 and fft 2 windows. ? on: fft analysis is performed. ? off: fft analysis is not performed. fft settings (fft setup) set the spectrum type, the window function, and the type of averaging. spectrum type (type/sub type) set the spectrum type. type sub type description ls mag magnitude of the specified waveforms linear spectrum ls logmag logarithmic magnitude of the specified waveforms linear spectrum ls phase phase of the specified waveforms linear spectrum ls real real part of the specified waveforms linear spectrum ls imag imaginary part of the specified waveforms linear spectrum ps mag magnitude of the specified waveforms power spectrum ps logmag logarithmic magnitude of the specified waveforms power spectrum psd mag magnitude of the specified waveforms power spectrum density psd logmag logarithmic magnitude of the specified waveforms power spectrum density cs mag magnitude of the cross spectrum of the specified two waveforms cs logmag logarithmic magnitude of the cross spectrum of the specified two waveforms cs phase phase of the cross spectrum of the specified two waveforms cs real real part of the cross spectrum of the specified two waveforms cs imag imaginary part of the cross spectrum of the specified two waveforms tf mag magnitude of the transfer function of the specified two waveforms tf logmag logarithmic magnitude of the transfer function of the specified two waveforms tf phase phase of the transfer function of the specified two waveforms tf real real part of the transfer function of the specified two waveforms tf imag imaginary part of the transfer function of the specified two waveforms ch mag magnitude of the coherence function of the specified two waveforms 12 fft free datasheet http://
12-4 im dl850-01en analysis source waveforms (source1 and source2) 1 set the analysis source waveform to one of the waveforms below. ch1 to ch16, 2 16chvolt, 3 can, 4 math1 to math6 5 1 you can set trace2 when type is set to cs, tf, or ch. 2 you can select the channel of an installed module. you cannot select the channel of a logic module. 3 if the 16-ch voltage input module is installed. after you select 16chvolt, select a sub channel. 4 on the DL850V when a can bus monitor module is installed. after you select can, select a sub channel. if the data type (value type) is set to logic, you will not be able to select it. 5 y ou cannot select math7 or math8. when analysis is performed on a linearly scaled channel, the scaled values are used. window function (window) ? damping rate (damping rate) you can configure this setting when window is set to exponen tial. you can set the value in the range of 1 to 100% (1% resolution). the weight of the last data point is used as a damping rate, with the weight of the first data point of the fft computation taken to be 100% (= 1). when the damping rate is set to 100%, the window functions like a rectangular window. this setting applies to the input and output (response) signals. ? force1 y ou can configure this setting when window is set to exponen tial. set the area over which computation is performed in terms of a percentage from the first fft point, taking the number of fft points to be 100%. you can set the area to a value from 1 to 100% (in 1% steps). when the area is set to 100%, the window functions like a rectangular window. the outer area is the average of the results of the window function for the data outside the area. this setting applies to the input signals (first parameter) of one-waveform and two-waveform ffts. ? force2 y o u can configure this setting when window is set to exponential. this setting applies to the output (response) signal (second parameter) of a two-waveform fft. it can be set in the same manner as force1. fft computation data points damping rate (%) force (%) 100% weight 0 1 100% average (average) fft analysis data can be linearly or exponentially averaged, and its peak values can be computed. these settings are the same as those for user-defined computation. 12 fft free datasheet http://
12-5 im dl850-01en notes about fft computation notes about displaying power spectrums ? you cannot display a power spectrum if the display record length is less than the number of computed data points. ? the following settings are shared for all computation channel: fft points, window, and start point. ? you cannot magnify an fft waveform along the horizontal access so that 50 points or fewer are displayed. notes about computation ? computation is normally performed on the sampled data in the acquisition memory. for waveforms that are acquired in envelope mode, computation is performed on the maximum and minimum values at each acquisition interval. ? fft computation can be performed through the configuration of settings in the math menu or the fft menu. the data point and window function settings are shared for the math and fft menus. when you change the settings in one menu, the settings in the other menu are also changed. ? ? on models that do not have user-defined computation (/g2 option), when you enter the fft menu and turn fft computation on, the math7 operators become invalid, and math7 cannot be used. on models that do have user defined computation, when you enter the fft menu and set fft 1 and fft 2 to on, math7 and math8 cannot be used. ? when you perform fft computation on 50 kpoint or more of data using the fft menu, you cannot use computed waveforms. ? an icon ( ) appears in the center of the top of the screen when fft computation is being executed. ? fft analysis cannot be performed on waveforms stored through hard disk recording. notes about using the 16-ch voltage input module 12 fft free datasheet http://
13-1 im dl850-01en 13 go/no-go determination the dl850/DL850V determines whether the acquired waveform meets the reference condition (go result) or not (no-go result). when the dl850/DL850V produces a go or no-go result, it executes the specified actions. mode (mode) set the method for go/no-go determination. ? off: go/no-go determination is not performed. ? waveform zone (wave zone) : go/no-go determination is performed using a waveform zone configured on the screen. ? w aveform parameter (parameter) : go/no-go determination is performed through the use of the specified waveform parameters. waveform zone (wave zone) the dl850/DL850V returns go/no-go results based on whether waveforms leave or enter the zone that you create using a base waveform. when the reference condition is set to in, a no-go judgment is made here. start of the determination range (time range1) end of the determination range (time range2) editing a waveform zone (edit zone) select the number of the waveform zone you want to edit from the range indicated below. if a zone has already been created for that number, the zone will be displayed. if no zone has been created for a number, select a base waveform from the base waveform editing menu (new), and then edit the zone. zone 1 to zone 6 (zone1 to zone6), cancel 1 1 the selected menu closes. editing a base waveform (new) when you create a new waveform zone, you need to select the waveform that you will base it on (the base waveform). select a waveform whose display is on. ch1 to ch16 1 , cancel (cancel) 2 1 you can select the channel of an installed module. however, you cannot select the channel of a logic module, 16-ch voltage input module, or can bus monitor module. 2 the selected menu closes. specifying the editing range (edit) select the part of the base waveform that you want to edit. ? whole (whole): the whole waveform is within the editing range. ? part (part): a portion of the waveform is within the editing range. whole part editing range boundary 1 (time range1) editing range boundary 2 (time range2) free datasheet http://
13-2 im dl850-01en zone settings when edit is set to whole, you can set the upper, lower, left, and right boundaries of the waveform zone. when edit is set to part, you can set the upper and lower boundaries of the zone. ? upper and lower boundaries (upper and lower) selectable range: 10 div vertically from the base waveform when edit is set to part, you can set the upper and lower boun daries of the area between time range1 and time range2. ? left and right sides (left and right): these settings can only be configured when edit is set to whole. selectable range: 5 div from the center of the screen ? time range 1 and time range 2 (time range1 and time range2): these settings can only be configured when edit is set to part. selectable range: 5 div on the time axis save destination (store as) you can select one of the following save destinations for the waveform zone. ? zone 1 to zone 6 (zone1 to zone6): the save destination is changed to the selected zone number. ? cancel (cancel): the save destination is not changed. saving a waveform zone (execute store) save the waveform zone. ending editing (quit) exit the waveform zone editor. if you do not press the execute store soft key to save the zone that you have edited, it will be lost. judgment conditions (judgement setup) for each of 16 judgment conditions, you can set the source waveform, zone number, and judgment criterion. you can also set the judgment logic, action condition, sequence, and acquisition count and enable or disable synchronization with a remote signal. judgment criterion (mode) select the judgment criterion from the following options. ? x: the condition is not used for go/no-go determination. ? in: the dl850/DL850V returns a go result when the source waveform is within the go/no-go determination zone. if even part of the source waveform is outside of the determination zone, the dl850/DL850V returns a no-go result. ? out : the dl850/DL850V returns a go result when the entire source waveform is outside the go/no-go determination zone. if even part of the source waveform is inside the determination zone, the dl850/DL850V returns a no-go result. source waveform (trace) set the waveform to use for go/no-go determination to one of the waveforms below. ch1 to ch16 1 1 you can select the channel of an installed module. however, you cannot select the channel of a logic module, 16-ch voltage input module, or can bus monitor module. zone number (zone no.) select the number of the waveform zone you want to use for go/no-go determination from the range indicated below. zone 1 to zone 6 (zone1 to zone6) determination logic (logic) you can select the determination logic from the following options. ? and: the actions are performed when all the conditions from 1 to 16 are met. ? or: the actions are performed when a condition from 1 to 16 is met. 13 go/no-go determination free datasheet http://
13-3 im dl850-01en action condition (actcondition) set the action condition to one of the settings below. ? always (always): the actions are always performed. the actions will be executed each time that the dl850/ DL850V triggers. ? at failure (fail): the actions are executed when the specified go conditions are not met. ? at success (success): the actions are executed when the specified go conditions are met. sequence (sequence) select the sequence for executing actions. ? single (single): execution stops after the actions are performe d once. ? continue (continue): actions are executed repeatedly. however, the actions stop repeating after the number of specified waveform acquisitions (the acquisition count setting). if acquisition count is set to infinite, the actions continue until waveform acquisition is stopped by the pressing of the start/stop key. acquisition count (acquisition count) set the number of waveform acquisitions. ? infinite: w aveform acquisition continues until it is stopped by the pressing of the start/stop key. ? 1 to 65536: the dl850/DL850V stops waveform acquisition after it acquires the specified number of waveforms. external start (ext start) you can perform go/no-go determination and output the results in sync with an external signal applied to the go/no-go i/o terminal of the dl850/DL850V. ? off: go/no-go determination is not performed through the use of an external signal. ? on: go/no-go determination is performed through the use of an external signal. action (action) determination period (time range1 and time range2) you can set the determination period by setting time range1 and time range2. the default settings are ?5 div and +5 div. selectable range: ?5 div to +5 div the determination period is similar to the settable range of the cursor display position in cursor measurement. for details, see selectable range of cursor positions. go/no-go determination results the results of go/no-go determination (and the numbers of determinations and failures) appear at the bottom of the screen. determination count failure count exe count: 10 fail count: 2 result: xxoooo------------ o: condition met x: condition not met - : no condition specified indication of whether reference conditions 1 to 16 are met xxoooo------------ 1,2,3, ...,16: reference conditions in this example, reference conditions 1 and 2 are not met while the conditions defined by base waveforms 3 to 6 are met. 13 go/no-go determination free datasheet http://
13-4 im dl850-01en waveform parameters (parameter) set the upper and lower limits for automated measurement values of waveform parameters, and perform go/ no-go determination based on whether the values are within or outside of the limits. judgment conditions (judgement setup) for each of 16 judgment conditions, you can set the source waveform, waveform parameter, and upper and lower waveform parameter limits. you can also set the judgment logic, action condition, sequence, and acquisition count and enable or disable synchronization with an external start signal. judgment criterion (mode) select the judgment criterion from the following options. ? x: the condition is not used for go/no-go determination. ? in: the dl850/DL850V returns a go result when the parameter is within the specified limits. the dl850/ DL850V returns a no-go result when the parameter is outside the specified limits. ? out : the dl850/DL850V returns a go result when the parameter is outside the specified limits. the dl850/ DL850V returns a no-go result when the parameter is inside the specified limits. source waveform (trace) set the waveform to use for go/no-go determination to one of the waveforms below. ch1 to ch16 1 1 you can select the channel of an installed module. however, you cannot select the channel of a logic module, 16-ch voltage input module, or can bus monitor module. waveform parameter (item) you can use all automatically measured waveform parameters as reference conditions. you can perform go/ no-go determination on up to 16 parameters at the same time. upper and lower parameter limit settings (upper/lower) depending on the parameter, you can set the upper and lower limits within the range of ?9.9999e+30 to 9.9999e+30. judgment logic (logic), action condition (actcondition), sequence (sequence), acquisition count (acquisition count), and external start (ext start) action (action) determination period (time range1 and time range2) go/no-go determination results the results of go/no-go determination (number of determinations, number of failures) appear at the bottom of the screen. determination count failure count exe count: 10 fail count: 4 result: xxxxoooo-------- measured values for each parameter in this example, reference conditions 1 and 4 are not met while reference conditions 5 to 8 are met. indication of whether reference conditions 1 to 16 are met xxxxoooo-------- 1,2,3, ...,16: reference conditions o: condition met x: condition not met - : no condition specified 13 go/no-go determination free datasheet http://
13-5 im dl850-01en notes about go/no-go determination ? during determination, all keys other than start/stop are invalid. ? the determination interval is synchronized to the trigger. however, while actions are being performed after determination, the dl850/DL850V will not trigger. ? while you are accessing the dl850/DL850V through the ftp or web server, if one of the following operations is performed, actions cannot be executed until you finish accessing the dl850/DL850V. printing and saving of screen capture data and saving of wave form data ? when the go/no-go mode is not set to off, computation and fft analysis cannot be performed. also, when computation or fft analysis is enabled, the go/no-go mode cannot be set to any setting other than off. notes about the save data and save image actions notes about using the 16-ch voltage input module 13 go/no-go determination free datasheet http://
14-1 im dl850-01en 14 action-on-trigger you can make the dl850/DL850V execute specified actions whenever a trigger occurs. mode (mode) select whether to use action-on-trigger. ? off: action-on-trigger is not used. ? on: the specified actions are executed whenever a trigger occurs. action (action setup) you can select the actions that are performed when a trigger occurs from the options below. beep (beep) the dl850/DL850V sounds an alarm. screen capture printing (print image) the dl850/DL850V prints a screen capture to the specified printer. you can specify a printer in the print menu by setting print to to builtin (built-in printer) or network (network printer). waveform data saving (save data) the dl850/DL850V saves the waveform data to the specified destination (sd card, internal or external hd [option], usb storage device, or network drive). file path (file path) specify where to save the file. auto naming (auto naming), file name (file name), data format (data type) these settings are the same as the auto-naming, file-name, and data-format settings for saving waveform data. changing the auto-naming, file-name, and data-format settings for saving waveform data will change the auto-naming, file-name, and data-format settings under waveform(save) in the file menu. screen capture saving (save image) the dl850/DL850V saves the screen capture data to the specified destination (sd card, internal or external hd [option], usb storage device, or network drive). file path (file path), auto naming (auto naming), file name (file name) changing the auto-naming and file-name settings for saving image data will change the auto-naming and file- name settings under others(save) in the file menu. free datasheet http://
14-2 im dl850-01en e-mail sending (send mail) the dl850/DL850V sends an e-mail to the specified address. set the e-mail address by pressing utility and then selecting network > mail. e-mail send count (mail count) set the upper e-mail transmission limit. when the number of transmitted e-mails reaches mail count, the dl850/ DL850V stops sending e-mails. notes about action-on-trigger ? you cannot change settings while the action-on-trigger feature is active. ? the action-on-trigger actions may be slow if there is network access while the following operations are being performed. printing and saving of screen capture data and saving of wave form data ? when the dual capture feature is enabled, the only action-on-trigger action that can be used is e-mail sending. ? when hard disk recording to an external or internal hard disk is enabled, the action-on-trigger feature cannot be used. notes about the save data and save image actions ? do not set the storage mediums root folder as the save destination. (the dl850/DL850V can only store 512 files to the root folder of a storage medium that it has formatted.) ? the maximum number of files that can be created in a single f older is 1000. make sure that there are no files in the destination folder before you start the action-on-trigger feature. ? if you select waveform data saving (save data) and screen ca pture saving (save image) at the same time, use the file menu to specify separate folders to save to. ? in the file menu, if you set auto naming to numbering, as the number of saved files increases, the amount of time required to save a file will also increase. select whether to enable the action-on-trigger feature when the power is turned on. 14 action-on-trigger free datasheet http://
15-1 im dl850-01en 15 searching waveforms you can search the displayed waveforms for locations that match the specified conditions. you can zoom-in on the detected locations. you can search the waveforms within the specified search range over up to 2 gpoint. however, you cannot search through waveforms that have been stored through hard disk recording. specified level detected section is displayed expanded in the zoom window. search start point point of detection search condition: two rising edges hysteresis search end point search type (type) set the search type to one of the options below. ? edge : the dl850/DL850V searches for edges. ? event : the dl850/DL850V searches for an event. ? logic pattern : the dl850/DL850V searches for logic patterns. this setting is only valid for logic modules. ? t ime : the dl850/DL850V searches for a time. free datasheet http://
15-2 im dl850-01en edge search (edge) search for positions where the rising or falling slope of the specified waveform passes through the specified level. level detected point for rising edge ( ) source search conditions (setup) set the search conditions, such as the waveforms to search, judgment level, polarity, hysteresis, count, and bit settings. * * only on the channel of a logic module source waveform (trace) select the waveforms to search from the options listed below. ch1 to ch16, 1 16chvolt, 2 can 3 1 you can select the channel of an installed module. 2 if the 16-ch voltage input module is installed. after you select 16chvolt, select a sub channel. 3 on the DL850V when a can bus monitor module is installed. after you select can, select a sub channel. judgment level (level) set the level used to detect the rising or falling edges of the waveforms. you can set the level to a value within the 10 div of the screen. the resolution at which you can set the level varies depending on the module. polarity (polarity) select which type of edge to detect from the options listed below. ? : rising ? : falling ? : rising or falling hysteresis (hysteresis) you can set a range (hysteresis) within which level changes are not treated as edges. you can set the hysteresis to one of the settings below. the hysteresis widths vary depending on the input module. ? : low hysteresis ? : medium hysteresis ? : high hysteresis bit settings (bit setting) for each bit from bit1 to bit8, you can select which type of edge to detect from the options listed below. this setting is only available for the channels of logic modules. the dl850/DL850V searches based on the or of each bit. ? : rising ? : falling ? : rising or falling ? ? : the signal is not used as a trigger condition. count (count) set the number of times the specified edge ( , , or ) must repeat. you can select a number from 1 to 1000000. 15 searching waveforms free datasheet http://
15-3 im dl850-01en searched waveform display (result window) you can select whether to display the zoomed area around the point specified by pattern no. in zoom1 or zoom2. you only need to make this selection when both the zoom1 and zoom2 displays are turned on. if the zoom1 and zoom2 displays are both off and you press search, the zoom1 display turns on. detected point number (pattern no.) specify the number of the detected point to display in the zoom window. the maximum detected point number is 1000. if the search does not yield any results, no match appears. search range (start point and end point) set the search start and end points (start point and end point). the default settings are ? 5 div and +5 div. selectable range: ?5 div to +5 div the start and end points are similar to the settable range of the cursor display position in cursor measurement. for details, see selectable range of cursor positions. executing a search (execute) the dl850/DL850V searches for positions where the specified search conditions are met. then, the dl850/ DL850V displays the waveforms expanded in the zoom window with the detected point that corresponds to the number you specify at the center. up to 1000 points can be detected. edge search determination if the peak is below the upper limit of the hysteresis immediately after a rising edge or above the lower limit of the hysteresis immediately after a falling edge, the dl850/DL850V will not count the edge. specified level search start position point of detection upper hysteresis value this rising edge is determined to be false. when the search condition is set to two rising edges lower hysteresis value 15 searching waveforms free datasheet http://
15-4 im dl850-01en event search (event) you can search for an event number that was assigned during measurement. event number (select number) select the event number that you want to search for. you can select a number from 1 to 100. searched waveform display (result window) event type (select event) select the type of event that you want to detect. ? capture: a dual-capture event ? manual: a manual event assigned through the application of a signal to the ext i/o terminal. executing a search (execute) the dl850/DL850V displays the waveforms of the area around the selected event number expanded in the zoom window. logic pattern search (logic pattern) the dl850/DL850V searches for the specified logic pattern. this setting is only valid for logic modules. search conditions (setup) set the following search conditions: the waveforms to search, bit settings, and count. source waveform (trace) select the waveforms to search from the options listed below. ch1 to ch16 * * you can only select the channel of a logic module. bit settings (bit setting) to set the logic signal pattern that you want to detect, set the signal states for bit1 to bit8. the dl850/DL850V searches based on the and of each bit. ? h: high level ? l: low level ? x: the state of the bit is not used as a condition. count (count) set the number of times the specified pattern must repeat. you can select a number from 1 to 1000000. searched waveform display (result window), detected point number (pattern no), search range (start point and end point), executing a search (execute) 15 searching waveforms free datasheet http://
15-5 im dl850-01en time search (time) search for a specific year, month, day, and time. search conditions (setup) specify the time that you want to search for. set the year (year), month (month), day (day), hour (hour), minute (minute), second (second), and microsecond (second). searched waveform display (result window) executing a search (execute) the dl850/DL850V displays the waveforms of the area around the specified time expanded in the zoom window. notes about searching waveforms ? you cannot search during data acquisition. ? the search results are invalid after you: ? start data acquisition. ? change the settings. ? undisplayed waveforms and waveforms stored through hard disk recording are not included in searches. ? if you invert or change the offset voltage of a waveform that has been selected as a waveform to search, the search is performed on the new waveform. notes about using the 16-ch voltage input module 15 searching waveforms free datasheet http://
16-1 im dl850-01en 16 displaying and searching history waveforms acquisition memory stores waveforms that are displayed on the screen and waveform data that have been acquired in the past. the history feature allows you to display or search past waveforms (history waveforms). you can perform the following operations on history waveforms: display you can display any single waveform or display all waveforms (and highlight only the specified waveform). you can also list the timestamps (the trigger times) of all history waveforms. waveform data for the last n triggers is stored selected record 0 selected record C25 current displayed waveform (select record = 0) past waveform set select record to a value in the range of 0 to C (n C 1). search you can search for waveforms that meet the specified conditions, display the detected history waveforms, and list the timestamps of the waveforms. zone search y ou can search for history waveforms that did or did not pass through a specified search zone. waveforms stored in the acquisition memory selected record C25 specified area selected record 0 only waveforms that pass through the specified area are detected and displayed. free datasheet http://
16-2 im dl850-01en parameter search you can search for history waveforms that do or do not meet specified search parameter conditions. waveforms stored in the acquisition memory selected record 28 selected record 0 time range2 start record end record p-p time range1 source: p-p condition: out waveforms whose p-p value exceeds the specified range are detected. history waveform search range the search range is from start record to end record. search method the dl850/DL850V starts searching in order from the newest waveform. calculation, cursor measurement, automated measurement, statistical processing, and fft you can perform calculations, cursor measurement, automated measurement of waveform parameters, or fft analysis on the history waveform that you specified with selected record. you can also calculate statistics of automatically measured values on all history waveforms. displaying and analyzing xy waveforms you can display xy waveforms and perform analysis on the history waveform you specified with selected record. if the display mode is set to all, xy waveforms of all history waveforms are displayed. display mode (display mode) selects how history waveforms are displayed. ? one waveform (1 record): only the waveform that corresponds to the selected record number is displayed. ? all waveforms (all record): all history waveforms from the specified start (start record) to stop (end record) number are overlaid. all waveforms other than the highlighted one are displayed in an intermediate color. ? a veraged waveform (average record): linear averaging is performed on all history waveforms from the specified start (start record) to stop (end record) number, and the results are displayed as a single waveform. an averaged waveform cannot be displayed for the following history waveforms. waveforms with record lengths of 250 kpoint or greater on the standard model, 1 mpoint or greater on models with the /m1 option, or 2.5 mpoint or greater on models with the /m2 option. highlighting (selected record) the latest history waveform is assigned the record number zero, and older waveforms are assigned numbers in descending order (?1, ?2, ?3, and so on). the waveform and timestamp that correspond to the record number you specify here are highlighted. selectable range: 0 to ?(the number of waveform acquisitions ? 1) 16 displaying and searching history waveforms free datasheet http://
16-3 im dl850-01en maximum number of waveform acquisitions (maximum number of history waveforms that can be stored in the acquisition memory) the number of history waveforms that can be stored varies depending on the selected record length and the installed memory options as follows: record length number of waveforms no options (250 mpoint) /m1 option (1 gpoint) /m2 option (2 gpoint) 1 kpoint 5000 5000 5000 2.5 kpoint 5000 5000 5000 5 kpoint 2976 5000 5000 10 kpoint 1487 5000 5000 25 kpoint 593 2381 5000 50 kpoint 295 1189 2381 100 kpoint 144 583 1168 250 kpoint 57 236 474 500 kpoint 28 116 235 1 mpoint 13 54 111 2.5 mpoint 4 22 46 5 mpoint 1 10 22 10 mpoint 1 4 10 25 mpoint 1 1 1 4 50 mpoint 1 2 1 1 100 mpoint 1 3 1 1 1 250 mpoint 1 4 1 2 1 1 500 mpoint ? 1 3 1 2 1 gpoint ? 1 4 1 3 2 gpoint ? ? 1 4 1 only eight channels worth of history waveforms are acquired. 2 only four channels worth of history waveforms are acquired. 3 only two channels worth of history waveforms are acquired. 4 only one channels worth of history waveforms are acquired. ? this record length cannot be set. display range (start and end record) using record numbers, set the range of history waveforms to display when the display mode is set to all or average. selectable range: 0 to ?(the number of waveform acquisitions ?1) list of history waveforms (list) the history waveform record numbers and the times when the waveforms were acquired are listed. 16 displaying and searching history waveforms free datasheet http://
16-4 im dl850-01en history waveform search mode (search mode) when waveform acquisition is stopped, you can search for history waveforms that meet the specified conditions. ? off: searching is not performed. all history waveforms are displayed. ? zone: the dl850/DL850V searches for history waveforms that did or did not pass through a specified search zone. ? parameter: the dl850/DL850V searches for history waveforms that do or do not meet specified search parameter conditions. search condition settings for zone searching (search setup) search zone (select zone) you can register four search zones to zone1 to zone4. for each search zone, set the channels to search, the search condition, and the search range. search condition (condition) in: the dl850/DL850V searches for waveforms that pass through the specified search window. out: the dl850/DL850V searches for waveforms that do not pass through the specified search window. off: the dl850/DL850V does not search for waveforms. source waveforms (source) the dl850/DL850V searches through the waveforms that you select for source. you can select waveforms from ch1 to ch16. the waveforms of channels that have not been specified as search source channels are also displayed. however, you cannot search through the waveforms of a logic module, 16-ch voltage input module, or can bus monitor module. search window upper and lower limits (upper and lower) you can set the limits within 5 div. you can set them in 0.01 div steps. you cannot set the upper limit to a value that is less than the lower limit. left and right sides of the search window (left and right) you can set the left and right sides within the range of 5 div. the resolution is 10 div/display record length. you cannot set the left side to a value that is greater than the right side. search logic (logic) and: the dl850/DL850V searches for waveforms that meet all the search conditions specified for zone1 to zone4. or: the dl850/DL850V searches for waveforms that meet at least one of the search conditions specified for zone1 to zone4. 16 displaying and searching history waveforms free datasheet http://
16-5 im dl850-01en 16 displaying and searching history waveforms search condition settings for waveform parameter searching (search setup) search parameter (select param) you can register four search conditions to param1 to param4. for each search condition, you can change the channels to search, the search condition, and the search range. search condition (condition) in: the dl850/DL850V searches for waveforms in which the specified parameter is within the specified range. out: the dl850/DL850V searches for waveforms in which the specified parameter is outside the specified range. off: the dl850/DL850V does not search for waveforms. source waveforms and parameters (source) the dl850/DL850V searches through the specified parameter of the specified trace (trace). you can specify one type of automatically measured waveform parameter. however, you cannot search through the waveforms of a logic module, 16-ch voltage input module, or can bus monitor module. search condition upper and lower limits (upper and lower) specify the range used to determine the condition of the specified parameter. search logic (logic) and: the dl850/DL850V searches for waveforms that meet all the search conditions specified for param1 to param4. or: the dl850/DL850V searches for waveforms that meet at least one of the search conditions specified for param1 to param4. parameter measurement time period (time range1/time range2) you can set the measurement time period for the specified parameter by setting time range1 and time range2. the default settings are ?5 div and +5 div. the number of data points in the measured waveform can be up to 100 mpoint from the start of the measurement time period. selectable range: ?5 div to +5 div the measurement time period is similar to the settable range of the cursor display position in cursor measurement. for details, see selectable range of cursor positions. search execution (execute search) searches for waveforms that meet the specified search conditions and displays only the waveforms and timestamps that are detected. notes about using the history feature notes about configuring the history feature ? you cannot use the history feature when you are using the dual capture feature or during hard disk recording. ? when the acquisition mode is set to average, you cannot use the history feature. ? if you stop waveform acquisition, even if one complete screens worth of waveform data has not been acquired, the waveform at which the trigger occurred is displayed as a single history waveform. ? if you stop waveform acquisition and then start it again withou t changing the waveform acquisition conditions, the waveform data continues to be stored in the acquisition memory. ? if you change the waveform acquisition conditions and start w aveform acquisition, the past data stored in the acquisition memory is cleared. ? an averaged waveform cannot be displayed for the following w aveforms. waveforms with record lengths of 250 kpoint or greater on the standard model, 1 mpoint or greater on models with the /m1 option, or 2.5 mpoint or greater on models with the /m2 option. free datasheet http://
16-6 im dl850-01en 16 displaying and searching history waveforms notes about recalling data using the history feature ? y ou cannot use the history feature while waveform acquisition is in progress. ? the settings are restricted so that the following relationship is retained: last record (end record) selected record first record (start record). ? w aveform data is always loaded from the specified storage medium to record number 0. when there are multiple records, the most recent waveform is placed in record number 0, and other waveforms are placed in order in record numbers ?1, ?2, and so on. ? computation and automated measurement of waveform param eters are performed on the waveform of the record number specified by selected record. you can analyze old data as long as you do not restart waveform acquisition and overwrite the contents of the history. however, when an averaged waveform is displayed (average record), you cannot recompute the data even if you change the record number. ? the times that are listed are the waveform trigger times. these times vary as indicated below depending on the trigger mode. trigger mode condition time displayed in the list auto/auto level roll mode stop time single roll mode, no trigger stop time on start ? start time ? when all the waveforms are displayed, if a large number of records are selected, it may take time for them to be displayed completely. when the display is not complete, appears in the center of the screen. if you want to stop the operation, set display mode to 1 record. ? the history memory is cleared when you turn the power of f. free datasheet http://
17-1 im dl850-01en 17 printing and saving screen captures you can print screen captures from a built-in printer (option) or a network printer, save images to files, and so on. destination type (print to) you can save screen captures and print them on the following types of printers. ? built-in printer (builtin) : you can select this option when the optional built-in printer is installed. ? network printer (network ) : you can select a network printer that the dl850/DL850V is connected to. you must configure the network printer in advance. ? file (file) : you can save screen captures to files in png, bmp, and jpeg formats. printing from the built-in printer (builtin; option) models that have the optional built-in printer installed can print from it. images printed from the built-in printer are printed just as they are displayed on the dl850/DL850V. comment (comment) you can enter a comment of up to 26 characters in length. the comment that you create is displayed in the bottom of the screen. changing this comment also changes the network printer and file comments. printing from a network printer (network) you can select a network printer that the dl850/DL850V is connected to. you must configure the network printer in advance. images printed from the network printer are printed just as they are displayed on the dl850/DL850V. printer type (format) the printers that the dl850/DL850V can use are listed below. ? hp inkjet: hp inkjet printers ? hp laser: hp laser printers ? epson inkjet: epson inkjet printers color (color) you can select the color format to print in from the options below. ? on: the dl850/DL850V prints using the same colors as the screen, excluding the background color. the grid and some other items are printed in black. ? off: the dl850/DL850V prints in the same way that it prints from the built-in printer. comment (comment) you can enter a comment of up to 26 characters in length. the comment that you create is displayed in the bottom of the screen. changing this comment also changes the built-in printer and file comments. free datasheet http://
17-2 im dl850-01en saving screen captures to files (file) you can save screen captures to files in png, bmp, and jpeg formats. data format (format) you can select the format to save to from the options listed below. ? png: the extension is .png. the file size is approximately 50 kb for black and white mode and approximately 100 kb for color mode. ? bmp: the extension is .bmp. the file size is approximately 150 kb for black and white mode and approximately 2 mb for color mode. ? jpeg: the extension is .jpg. the file size is approximately 250 kb for color mode. the file sizes listed here are for reference. actual file sizes will vary depending on the image that is saved. color (color) you can select the color format to save to from the options below. ? on: saves data using 65536 colors. ? on (gray): saves data using 16 grayscale levels. ? on (reverse): saves data using 65536 colors. the image background is set to white. ? off: saves data in black and white. background transparent or opaque (background) for png format, you can save the waveform display area with a transparent background. this feature is convenient when you want to compare waveforms by overlaying screen captures on the pc. ? normal (normal): saves data without changing the backgroun d (not made transparent). ? transparent (transparent): saves data by making the background transparent. frame on or off (frame) for jpeg format, you can add a white frame to the image to prevent the surrounding area from dropping out when the capture is printed. ? on: the capture is saved with a frame. ? off: the capture is saved wit hout a frame. file name setting (file setup) you can set file names, comments, and so on. this is the same as the file feature. changing the comment also changes the built-in printer and network printer comments. printing or saving a screen capture (print) the screen capture is printed from the specified printer or saved to the specified file. 17 printing and saving screen captures free datasheet http://
18-1 im dl850-01en 18 saving and loading data you can save the following kinds of data to an sd memory card, usb storage device, internal or external hard disk, or network drive. w aveform data, setup data, screen capture data, snapshot wa veform data, automated measurement data of waveform parameters you can load the following types of data from a storage medium into the dl850/DL850V. w aveform data, setup data, snapshot waveform data y ou can also rename and copy files and set or clear protection on files. storage media you can save and load from the dl850/DL850V can access the following five types of storage media for saving and loading data. sd memory card (sd-1) the sd memory card inserted into the sd memory card slot of the dl850/DL850V. usb storage medium (usb-0 or usb-1) a usb storage device that is connected to the dl850/DL850V usb port. usb2.0 mass storage devices compatible with usb mass storage class ver. 1.1 can be connected to the dl850/DL850V. internal hard disk (hd-0) the internal hard disk installed on models with the /hd1 option. external hard disk (hd-0) an external hard disk connected to the ext hdd connector on models with the /hd0 option. you can connect an external hard disk that supports esata. network drive (network) a storage device on the network. you can use a network storage device by connecting the dl850/DL850V to an ethernet network. notes about using the usb memory ? connect usb storage media directly , not through a usb hub. ? only connect a compatible usb keyboard, mouse, or storage device to the usb connector for peripherals. ? do not connect and disconnect multiple usb devices repetitively. provide a 10-second interval between removal and connection. ? do not connect or remove usb cables from the time when the dl850/DL850V is turned on until key operation becomes available (approximately 20 to 30 seconds). ? y ou can use usb storage media that are compatible with usb mass storage class ver. 1.1. ? the dl850/DL850V can handle up to four storage media. if the connected medium is partitioned, the dl850/DL850V treats each partition as a separate storage medium. as such, the dl850/DL850V can handle up to four partitions. free datasheet http://
18-2 im dl850-01en saving data (save) the dl850/DL850V saves data to the specified storage medium. press shift and then save to display the save menu. on this menu, you can configure the waveform-data and screen-capture-data save operations. press save (without shift) to execute the save operation. on the menu for configuring the save operation (the save menu), you cannot turn off both the waveform-data and screen-capture-data save operations. saving waveform data (waveform) you can save the waveform data that the dl850/DL850V has measured to a file in binary, ascii, or floating- point format. save destination (file list) specify the file to save to. file name (file name) set the file name. ? y ou can use the auto naming feature to automatically assign file names. ? whether auto naming is set to numbering, date, or off, when the size of a single file exceeds 2 gb, an underscore and a three-digit serial number (000 to 999) are appended to the file names. year month day hour minute second ms 20100630_121530_100_000 (2010/06/30 12:15:30.100) the serial number (from 000 to 999) that is appended when the size of a single file exceeds 2 gb. file name example for when auto naming is set to date ? the underscore and three-digit serial number are not appended to the file name when the file size is 2 gb or less. however, when a file is saved through the hard disk recording feature, an underscore and the three-digit serial number 000 are appended to the file name even if the file size does not exceed 2 gb. ? auto naming (auto naming) ? numbering (numbering) the dl850/DL850V automatically adds a four-digit number fro m 0000 to 9999 after the common name specified using the file name setting (up to four characters) and saves files. ? date (date) the file name is the date and time (down to ms) when the file is saved. the file name specified using the file name setting is not used. ? off disables the auto naming feature. the name that you specify using the file name setting is used. if there is a file with the same name in the save destination folder, you cannot save the data. ? save destination during hard disk recording and action execution in the specified drive, a folder is automatically created with the date (year, month, and day) as its name, and data is saved to that folder using file names specified by the auto naming feature. if the number of files in the save destination folder exceeds 1000, a new folder is automatically created with the date and an incremented sequence number (000 to 999) as its name, and the data continues to be saved in the new folder. ? file name (file name) y ou can set the common file name that is used when the auto naming feature is turned off or when the auto naming feature is set to numbering. the maximum number of characters that you can use for file names and folder names is 64 characters. the following restrictions apply. ? t he following types of characters can be used: 0 to 9, a to z, a to z, _, ?, =, (, ), {, }, [, ], #, $, %, &, ~, !, `,and @. @ cannot be entered consecutively. 18 saving and loading data free datasheet http://
18-3 im dl850-01en ? the following character strings cannot be used due to ms-dos limitations. aux, con, prn, nul, clock, lpt1, lpt2, lpt3, lpt4, lpt5, lpt6, lpt7, lpt8, lpt9, com1, com2, com3, com4, com5, com6, com7, com8, or com9 ? make sure that the full file path (absolute path from the root di rectory) is less than or equal to 260 characters in length. if it exceeds 260 characters, an error occurs when you perform a file operation (such as save, copy, rename, or create folder). when an operation is being performed on a folder, the full path is up to the name of the folder. when an operation is being performed on a file, the full path is up to the name of the file. the following additional restrictions apply when you use the fil e name auto naming feature. ? if you set auto naming to numbering, file names will be eight characters long. a file name will consist of the four characters that you entered for the file name and a four-character sequence number. ? if you set auto naming to date (date and time), the characters that you entered for the file name will not be used. file names will only consist of the date information. ? comment (comment) y ou can add a comment that consists of up to 120 characters when saving files. you do not have to enter a comment. all characters, including spaces, can be used in a comment. data type (data type) set the data type to binary, ascii, or floating point. ? binary (binary) ? the sampled data stored to the acquisition memory is saved to a file in binary format. the extension is .wdf. a thumbnail file is also saved at the same time. the thumbnail file can be viewed in the file property screen. ? y ou can load the saved binary format data into the dl850/DL850V, display the waveform of the data, and view the values that it contains. accumulate is always set to off for loaded data. ? if you save a waveform measured using the dual capture featu re in binary format, the main waveform data and captured waveform data are saved to the same file. ? ascii (ascii) ? the sampled data stored in the acquisition memory is convert ed using the specified range and saved to a file in ascii format. the extension is .csv. you can use the file to analyze waveforms on your pc. ? y ou cannot load the file into the dl850/DL850V. ? w aveforms measured using the dual capture feature are saved simultaneously to separate main- waveform-data and captured-waveform-data files. the captured-waveform-data file is automatically saved to the same name as the main-waveform-data file with dc added to the end of the file name. if you configure the record length and the number of channels so that the size of a file would exceed 2 gb, the file cannot be created. ? floating point (float) ? the sampled data stored in the acquisition memory is convert ed using the specified range and saved to a file in 32-bit ieee floating format. the extension is .fld. you can use the file to analyze waveforms on your pc. the data notation is little-endian (intel format). ? y ou cannot load the file into the dl850/DL850V. ? w aveforms measured using the dual capture feature are saved simultaneously to separate main- waveform-data and captured-waveform-data files. the captured-waveform-data file is automatically saved to the same name as the main-waveform-data file with dc added to the end of the file name. if you configure the record length and the number of channels so that the size of a file would exceed 2 gb, the file cannot be created. 18 saving and loading data free datasheet http://
18-4 im dl850-01en data size the data sizes indicated below are for when the record length is 100 kpoint and you save the measured data from ch1 to ch4 with all computed waveforms turned off and one history waveform. data type extension size (in bytes) binary .wdf approx. 800 k: (100 kpoint + 32) 4 channels the number of history waveforms 2 .hdr approx. 2 k (approx. 3 k when math1 and math2 are set to on) ascii .csv 4 to 5 mpoint float .fld approx. 1.6 m: (100 kpoint + 32) 4 the number of history waveforms 4 save range (range) you can select the waveform save range (area) from one of the choices below. ? main window (main): saves the data displayed in the main window ? zoom 1 or zoom2 (zoom1 or zoom2): saves the data displaye d in the specified zoom window ? cursor range (cursor range): saves the data in the area between the cursors save conditions (waveform save setup) ? w aveform to save (select save trace) ? you can select all on, ch1 to ch16, 1 16chvolt, 2 can, 3 and math. the waveforms you select that are displayed are saved. even if you select all on, only the waveforms that are displayed are saved. 1 y ou can select the channel of an installed module. 2 if the 16-ch voltage input module is installed. you cannot select sub channels. 3 when a can bus monitor module is installed. you cannot select sub channels. ? the vertical-axis, horizontal-axis, and trigger settings are also saved along with the waveforms. ? saving history w aveforms (history) you can set the source waveform to one of the waveforms below. ? one waveform (one): only the waveform with the record num ber specified in the history menu is saved. ? all waveforms (all): all history waveforms between the start and end numbers specified in the history menu are saved. t o save an averaged history waveform, set the display mode i n the history menu to average record, and set history to one. ? p-p compression (p-p comp) when you save waveform data in binary format, you can choose whether to use p-p compression on it. ? on: p-p compression is used on the data before it is saved. ? off: the data is saved without being p-p compressed. ? data removal interval (interval) when you save data in ascii format, you can thin out the data before you convert it to ascii format. set the data removal interval. off (no data is removed), 5 points (per 5), 10 points (per 10) , 20 points (per 20), 50 points (per 50), 100 points (per 100), 200 points (per 200), 500 points (per 500), 1000 points (per 1000), 2000 points (per 2000), 5000 points (per 5000) for example, if you select per 5, the data will be removed as i ndicated below . first data point, +5, +10, +15... ? time information (time info.) when you save data in ascii format, you can choose whether to save time information. ? on: time information is saved. ? off: time information is not saved. ? extension (extension) when you save data in ascii format, you can set the extension of the files that you save to .csv or .matlab. 18 saving and loading data free datasheet http://
18-5 im dl850-01en ? decimal point (decimal point) when you save data in ascii format, you can choose how to separate the data. ? point (point): the decimal point is a period, and the separator is a comma. ? comma (comma): the decimal point is a comma, and the separator is a semicolon. ? saving sub channel data (sub channel) when you save data in ascii format, you can choose whether to supplement the data of 16-ch voltage input module sub channels. ? supplement (supplement): blank spaces are filled with repetit ions of the same data so that the sub channels have the same amount of data as an ordinary channel. ? space (space): spaces are left where there is no data. notes about using the 16-ch v oltage input module ? if you change the extension of the saved data file, by using a pc or some other device, the dl850/DL850V will no longer be able to load it. ? up to 1000 files and folders can be displayed in the file list. if t here are more than a total of 1000 files and folders in a given folder, the file list for that folder will only display 1000 files and folders. there is no way to set which files and folders are displayed. ? math waveforms are not saved if they are shorter than 10 div o r if the computation start point is not ?5 div. data format for saving multiple records the dl850/DL850V saves data that contains multiple records, such as history waveforms, in the following data format. ascii format: cr+lf is inserted between records.
18-6 im dl850-01en saving setup data (setup) you can save the dl850/DL850V setup information to the specified storage medium. the extension is .set. save destination (file list), file name (file name), comment (comment) saving to internal memory you can save setup data to internal memory from the store/recall menu. saving other types of data (others) you can save the following types of data. save destination (file list), file name (file name), comment (comment) data type (data type) ? screen capture (screen image) : you can save the displayed screen image to a file in png, bmp, or jpeg format. you can also save the screen image from the menu that appears when you press the print menu key. ? s napshot waveforms (snap) : you can save the waveform data captured in a snapshot. the extension is .snp. ? measure (measure ) : you can save the results of the automated measurement of waveform parameters to a file in csv format. automated measurement values of waveform parameters (measure) save the results of automatic waveform parameter measurement to a file in csv format. the extension is .csv. csv files are text files that contain data separated by commas. they are used to convert data between spreadsheet and database applications. the maximum number of previous values that you can save is equal to 100000 number of items that are turned on. data size in bytes = number of measured items 15 number of history waveforms saving (execute save) saves the data to the specified save destination with the specified file name. 18 saving and loading data free datasheet http://
18-7 im dl850-01en loading data (load) you can load waveform data, setup data, and snapshot waveforms that have been saved by the dl850/DL850V. loading waveform data (waveform) waveform data in binary format (files with .wdf extensions) can be loaded. you can load a specified waveform data file with the setup data. you can load the entirety of the specified waveform data file. waveforms of computed data appear when computation is turned on. because setup data is also loaded, the dl850/DL850V settings change when you load waveform data. if you start waveform acquisition by pressing the start/stop key, the loaded data is cleared. ? if the modules that are currently installed in the dl850/DL850V are different from the modules that were installed when the waveform data was saved, you cannot load the waveform data for the modules that are different. ? if you load waveform data saved by a module with a larger am ount of memory on a module with a smaller amount of memory, the number of history waveforms, acquisition conditions, number of channels, and other settings are adjusted to match the condition of the module with the smaller amount of memory. ? y ou can only load waveform data that you saved with the save range set to the main window. loading setup data (setup) the setup data of the specified file is loaded. the extension is .set. recalling data from the internal memory you can recall setup data from the internal memory from the save/load menu. if the modules that are currently installed in the dl850/DL850V are different from the modules that were installed when the setup data was saved, you cannot load the setup data for the modules that are different. loading other types of data (others) the snapshot waveforms of the specified file or the contents of a symbol definition file are loaded. snapshot waveforms (snap) the snapshot waveforms that you load are displayed in white on the screen. the extension is .snp. symbol definition files (symbol) can data definition files whose extensions are .sbl. loading (execute load) loads the data of the specified file. 18 saving and loading data free datasheet http://
18-8 im dl850-01en file operations (utility) you can perform file operations such as creating folders on the storage medium, deleting and copying files, and changing file names. sorting the list (sort to) you can sort the file list by file name, data size, date, etc. display format select whether to display a list of files or to display thumbnails. selecting the type of file to list (file filter) you can limit the type of files that appear in the list by selecting an extension. changing the storage medium (change drive) you can select the storage medium that you want to access. the dl850/DL850V displays various storage media as follows: ? sd-1: the sd memory card inserted into the sd memory card slot of the dl850/DL850V ? usb-0: a usb storage device that is connected to a dl850/DL850V usb port (the first connected device) ? usb-1: a usb storage device that is connected to a dl850/DL850V usb port (the second connected device) ? hd-0: on models with the /hd0 option: an external hard disk that supports esata connected to the ext hdd connector. on models with the /hd1 option: the internal hard disk. ? network: a storage device on the network making folders (make dir) make a folder. you can use the same characters in folder names that you can in file names. copying and moving files (copy and move) you can copy or move the selected files and folders to other storage media or folders. you can copy or move multiple files at the same time. deleting files and folders (delete) you can delete the selected files and folders. renaming files and folders (rename) you can rename a selected file or folder. turning file protection on and off (protect on and off) you can turn protection on and off for the selected file. the change is reflected in the file attributes, displayed under the attr column in the file list. protection file attribute description on r file protection is on for the selected file. the file can only be read. the file cannot be written to or deleted. off r/w file protection is off for the selected file. the file can be read and written to. file property (file property) you can view information about the selected file, such as its name (file name), file size (file size), the date and time when it was saved (date/time), and its attributes (attribute). selecting files (all set, all reset, and set/reset) selects or deselects all the files in the list. you can also only select or deselect the highlighted files. 18 saving and loading data free datasheet http://
18-9 im dl850-01en to format the storage medium, press the utility key to display the system config menu, and then select storage manager. 18 saving and loading data free datasheet http://
19-1 im dl850-01en 19 ethernet communication (network) you can configure tcp/ip parameters and use the optional ethernet interface to perform the following tasks. to use this feature, set the communication interface to network (from the utility menu, select remote ctrl > device > network). tcp/ip tcp/ip settings for connecting to an ethernet network. set the ip address, subnet mask, and default gateway. ftp server (ftp/web server) you can connect the dl850/DL850V as an ftp server to a network. you can connect to the dl850/DL850V from a pc on the same network and retrieve waveform data. web server (ftp/web server) you can connect the dl850/DL850V as a web server to a network. you can connect to the dl850/DL850V from a pc on the same network and monitor the dl850/DL850V display from the pc. mail (mail) the action-on-trigger or go/no-go action can be set to mail transmission. network printer (net print) you can specify a network printer for printing screen captures. network drive (net drive) you can save waveform data and setup data to a network drive through an ethernet connection. sntp the dl850/DL850V clock can be set using sntp. the dl850/DL850V can be configured to automatically adjust its clock when it is turned on. to connect a pc to the dl850/DL850V, use a hub or router, and connect to a network. do not connect a pc directly to the dl850/DL850V. free datasheet http://
19-2 im dl850-01en tcp/ip (tcp/ip) configure the settings that the dl850/DL850V needs to connect to a network. dhcp dhcp is a protocol that temporarily allocates settings that a pc needs to connect to the internet. to connect to a network that has a dhcp server, turn the dhcp setting on. when dhcp is turned on, the ip address can be automatically obtained when the dl850/DL850V is connected to a network. (you do not have to set it manually.) when dhcp is turned off, you must set the appropriate ip address, subnet mask, and default gateway for the network. dns dns is a system used to associate internet host names and domain names with ip addresses. given aaa. bbbbb.com, aaa is the host name and bbbbb.com is the domain name. you can use host names and domain names to access the network instead of using ip addresses, which are just numbers. the dl850/DL850V allows you to specify the host by name, instead of by ip address. set the domain name and the dns server address (0.0.0.0 by default). for details, consult your network administrator. dns servers (dns server1/dns server2) you can specify up to two dns server addresses: primary and secondary. if querying fails with the primary dns server, the secondary dns server is automatically used to find the mapping of the host name and domain name to the ip address. domain suffixes (domain suffix1/domain suffix2) the domain suffix is a piece of information that is automatically added when a query is made to a dns server using only a portion of the domain name. for example, if bbbbb.co.jp is registered as a domain suffix and a query is made using aaa, the name aaa.bbbbb.co.jp is searched. you can specify up to two domain suffixes: domain suffix1 and domain suffix 2. you can use up to 127 characters. the characters that you can use are 0 to 9, a?z, a?z, and dashes. tcp/ip settings are applied when you press bind and then set or when you turn on the dl850/DL850V the next time. 19 ethernet communication (optional) free datasheet http://
19-3 im dl850-01en ftp server (ftp/web server) you can connect the dl850/DL850V as an ftp server to a network. set the user name and password that will be used by devices on the network to access the dl850/DL850V. also, set the access timeout value. user name (user name) set the user name that will be used to access the dl850/DL850V from a pc. the characters that you can use for the password are all the ascii characters on the keyboard. if you set the user name to anonymous, you can connect to the dl850/DL850V without entering a password. password (password) set the password that will be used to access the dl850/DL850V from a pc. the characters that you can use for the password are all the ascii characters on the keyboard. timeout (timeout) if an ftp connection cannot be established between the dl850/DL850V and the pc within the amount of time specified here, the dl850/DL850V aborts the connection process. to apply the settings that you specified, press entry. ftp server overview when the dl850/DL850V is connected to the network as an ftp server, the following features become available. ftp server from a pc, you can view a list of files that are stored in the dl850/DL850V storage medium (the internal memory or a storage medium that is connected to it) and retrieve files. pc system requirements pc a pc running microsoft windows xp professional or mac os x. os microsoft windows xp professional or mac os x (10.4.8) internal memory 512 mb or more recommended. communication ports 100base-tx or 1000base-t ethernet port. use this port to connect the pc to the network. display a display compatible with any of the above operating systems and with a resolution of 1024768 or higher. mouse or pointing device mouse or pointing device compatible with any of the above operating systems web browser internet explorer 6.0, firefox 3.0, or safari (3.2.1) 19 ethernet communication (optional) free datasheet http://
19-4 im dl850-01en web server (ftp/web server) you can connect the dl850/DL850V as a web server to a network. set the user name and password that will be used by devices on the network to access the dl850/DL850V. also, set the access timeout value. user name (user name) set the user name that will be used to access the dl850/DL850V from a pc. the characters that you can use for the password are all the ascii characters on the keyboard. if you set the user name to anonymous, you can connect to the dl850/DL850V without entering a password. password (password) set the password that will be used to access the dl850/DL850V from a pc. the characters that you can use for the password are all the ascii characters on the keyboard. to apply the settings that you specified, press entry. web server overview when the dl850/DL850V is connected to the network as an web server, the following features become available. web server you can display the dl850/DL850V screen on the pc and start and stop measurement through the ethernet network. you can refresh the dl850/DL850V screen that is displayed on the pc and take screen captures. pc operations setting the screen update rate: you can set the update rate to 5 s, 10 s, 30 s, or 60 s. screen update start: the display starts updating automatically at the rate that you specify. screen update stop: you can stop the updating of the display. manually update the screen: you can update the display manually. start/stop: you can start and stop measurement on the dl850/DL850V. full screen capture: you can take full-screen screen captures. pc system requirements ? you need adobe flash player (version 8 or later) to use the web server function. when visiting this web site, the most recent flash player is automatically downloaded. if the download does not begin, please obtain the latest flash player from the adobe web site. ? when using the full screen capture function, be sure to disable pop-up blockers on your browser . ? the w eb server function is unavailable when printing on the instrument or manipulating files. ? the w eb server function can also not be used if the instrument is connected to a pc while the mass storage setting is enabled on the pc. after disconnecting the pc or enabling the usbtmc setting, restart the dl850/DL850V. 19 ethernet communication (optional) free datasheet http://
19-5 im dl850-01en mail (mail) you can send trigger times and other information in emails to a specific email address as an action in the action- on-trigger or go/no-go determination feature. mail server (mail server) specify the ip address of the mail server on the network that the dl850/DL850V will use. in a network with a dns server, you can specify the host name and domain name instead of the ip address. mail address (mail address) you can specify multiple email recipient addresses. separate each address with a comma. comment (comment) if necessary, you can enter a comment in the first line of e-mails. attaching image files (attached image file) you can attach a capture of the screen that is displayed at the time the email is sent. file format: the format that you set in the file menu for saving screen captures. file name: dl_image[time].extension (example: dl image1006171158.extension is a screen capture taken at 11:58 on june 17, 2010.) resolution: xga (1024768 dots) approximate file size normal screen: approx. 50 kb maximum: approx. 1.6 mb (when the screen contains many colors) timeout (timeout) if the dl850/DL850V cannot send an email for the amount of time specified here, it disconnects from the mail server. sending a test mail (send test mail) you can send a test mail to check whether emails can be sent properly. 19 ethernet communication (optional) free datasheet http://
19-6 im dl850-01en network printer (net print) you can print screen captures on a network printer. the dl850/DL850V can print to the following printers. epson inkjet printers (epson inkjet) hp inkjet printers (hp inkjet) hp laser printers (hp laser) lpr servers (lpr server) specify the ip address of the printer server that the dl850/DL850V will connect to. in a network with a dns server, you can specify the host name and domain name instead of the ip address. lpr is a protocol used to print over a tcp/ip network. lpr name (lpr name) the name of the shared printer that the dl850/DL850V will connect to. timeout (timeout) if the dl850/DL850V cannot print for a certain amount of time, it disconnects from the network printer. network drive (net drive) you can save waveform data and setup data to a network drive through an ethernet connection. ftp server (ftp server) specify the ip address of the ftp server on the network that you want to save waveform or setup data to. in a network with a dns server, you can specify the host name and domain name instead of the ip address. login name (login name) specify the login name. the characters that you can use for the password are all the ascii characters on the keyboard. password (password) specify the password that corresponds to the login name. the characters that you can use for the password are all the ascii characters on the keyboard. passive mode (passive) turn passive ftp on or off. in passive mode, the ftp client sets the port number for data transfer. enable passive mode when you have set an external ftp server as a network drive or when you are accessing an ftp server through a firewall. timeout (time out) if the dl850/DL850V cannot transfer files for a certain amount of time, it disconnects from the ftp server. connecting to the network drive(connect/disconnect) when you press the connect button, the dl850/DL850V connects to the specified network drive, and the drive appears in the file list (file list). when you press the disconnect button, the network drive is disconnected and removed from the file list (file list). 19 ethernet communication (optional) free datasheet http://
19-7 im dl850-01en sntp (sntp) the dl850/DL850V clock can be set using simple network time protocol (sntp). the dl850/DL850V can be configured to automatically adjust its clock when it is turned on. sntp server (sntp server) specify the ip address of the sntp server that the dl850/DL850V will use. in a network with a dns server, you can specify the host name and domain name instead of the ip address. timeout (timeout) if the dl850/DL850V cannot connect to the sntp server for a certain amount of time, it aborts the operation. executing time adjustment (adjust) the dl850/DL850V clock is synchronized to the sntp server clock. automatic adjustment (adjust at power on) you can configure the dl850/DL850V so that its clock is automatically synchronized to the sntp server clock when the dl850/DL850V is turned on when it is connected to the network. ? if the time difference from gmt (greenwich mean time) is set in the date/time setting, the dl850/DL850V will make appropriate adjustments to the time information received from the sntp server. ? if you do not want the dl850/DL850V to synchronize with an sntp server, do not set the sntp server ip address. 19 ethernet communication (optional) free datasheet http://
20-1 im dl850-01en 20 other features auto setup (auto setup) the auto setup feature automatically sets the scale (vertical axis), time/div (horizontal axis), trigger level, and other settings to values that are most suitable for the input signals. this feature is useful when you are not sure what type of signal will be applied to the dl850/DL850V. the auto setup feature will not work properly on some input signals. there are some modules with which the auto setup feature cannot be used. center position after the execution of auto setup the center position after you execute auto setup will be 0 v. modules that support auto setup 701250 (hs10m12), 701251 (hs1m16), 701255 (noniso_10m12), 701260 (hv (with rms)), 701261 (universal), 701262 (universal (aaf)), 701275 (accl/volt), 720210 (hs100m12), 720220 (16ch volt) source channels the dl850/DL850V executes auto setup based on the signals of all channels excluding logic channels. waveforms displayed before the execution of auto setup waveforms that were displayed before you execute auto setup will be cleared. signals that auto setup can be applied to you can use auto setup for the following types of input signals. ? when module 720210 is installed: simple, repeating signals w ith frequencies between 50 hz and 10 mhz when module 720210 is not installed: simple, repeating signals with frequencies between 50 hz and 1 mhz ? signals whose maximum absolute input voltage is 20 mv at 1:1 probe attenuation to the maximum range 10 the auto setup feature may not work properly for signals that include a dc component or high-frequency components. undoing auto setup (undo) you can revert to the settings that were used immediately before you executed auto setup. initializing settings (initialize) you can reset the dl850/DL850V settings to their factory default values. this feature is useful when you want to cancel all the settings that you have entered or when you want to redo measurement from scratch. default reset refers to the act of resetting the dl850/DL850V settings to their factory default values. items that cannot be reset the following settings cannot be reset. date and time settings, communication settings, the language setting (japanese or english), and environment settings undoing default reset (undo) if you perform default reset by mistake, you can undo it by pressing the undo soft key. to reset all settings to their default values while holding down the reset key, turn the power switch on. all settings except the date and time settings (display on/off setting will be reset) and the setup data stored in internal memory will be reset to their factory default values. if you reset the settings using this method, the changes cannot be undone. free datasheet http://
20-2 im dl850-01en storing and recalling setup data (setup data store and recall) you can save up to three sets of setup data to specific internal memory areas. it is convenient to save setup data that you use frequently. you can save a set of setup data to one of the following numbers. 1, 2, 3 by specifying these numbers, you can store and recall setup data easily. you can attach comments in the same way that you can when you save waveform data. calibration (cal) executing calibration (execute calibration) calibrates following items. execute calibration when you want to make accurate measurements. ? v ertical-axis ground level calibration is performed automatically when the power switch is turned on. notes about calibration ? allow the dl850/DL850V to warm up for at least 30 minutes before you execute calibration. if you execute calibration immediately after power-on, the calibrated values may drift due to temperature changes or other environmental changes. ? execute calibration in a stable temperature environment rangi ng from 5 to 40c (23 5c recommended). ? do not apply signals when calibrating. calibration may not be executed properly when input signals are being applied to the dl850/DL850V. auto calibration (auto calibration) auto calibration is executed when you start signal acquisition if any of the time periods listed below has elapsed since the power was turned on. ? approx. 3 minutes ? approx. 10 minutes ? approx. 30 minutes and every 30 minutes thereafter snapshot (snap shot) retains the currently displayed waveforms on the screen. this feature allows you to update the display without having to stop waveform acquisition. it is a useful feature when you want to compare waveforms. snapshot waveforms are displayed in white. you cannot perform the following operations on snapshot waveforms. cursor measurement, automated measurement of waveform parameters, zoom, or computation you can save and load snapshot waveforms. clear trace (clear trace) clears all the waveforms that are displayed on the screen. if you change the display format or perform other similar operations, the dl850/DL850V redisplays the channel waveforms, computed waveforms, and loaded waveforms that were displayed before you executed the clear trace operation. snapshot and clear trace features are disabled: ? when the dl850/DL850V is in remote mode. ? when the dl850/DL850V is printing, when it is executing auto setup, or when it is accessing a storage medium. ? when go/no-go determination is in progress, when action-on-trigger is in progress, or when searching is in progress. 20 other features free datasheet http://
20-3 im dl850-01en remote control (remote ctrl) communication interface for controlling the dl850/DL850V from a pc. for details, see the communication interface users manual, im dl850-17en. types of communication interfaces (device) usb, gp-ib, and network are the available communication interfaces. ? only use the selected communication interface. if you send commands simultaneously from another communication interface that has not been selected, the dl850/DL850V will not execute the commands properly. ? when the dl850/DL850V is in remote mode and is communic ating with a pc, remote appears in the center of the dl850/DL850V screen. all keys except shift + clear trace are disabled in remote mode. usb connects the dl850/DL850V to a pc using usb. to remotely control the dl850/DL850V using communication commands through the usb port, select usbtmc and then carry out the following procedure. ? install yokogawa usb tmc (test and measurement class) driver on your pc. for information about how to obtain the yokogawa usb tmc driver, contact your nearest yokogawa dealer. you can also access the yokogawa usb driver download webpage and download the driver (http://tmi.yokogawa.com/service- support/downloads/). ? do not use usb tmc drivers (or software) supplied by other companies. gp-ib connects the dl850/DL850V to a pc using gp-ib. address (address) ? y ou can set the address to a value from 0 to 30. ? each device that is connected by gp-ib has its own unique address in the gp-ib system. this address is used to distinguish one device from other devices. therefore, you must assign a unique address to the dl850/DL850V when connecting it to a pc or other device. ? several cables can be used to connect multiple devices. however, no more than 15 devices, including the controller, can be connected on a single bus. ? when connecting multiple devices, you must assign a unique address to each device. ? when the controller is communicating with the dl850/DL850V or with other devices through gp-ib, do not change the address. ? use cables that are 2 m or shorter in length to connect devices. ? keep the total length of the cables under 20 m. ? when devices are communicating, have at least two-thirds of the devices on the bus turned on. ? t o connect multiple devices, use a star or daisy-chain configuration. loop and parallel configurations are not allowed. 20 other features free datasheet http://
20-4 im dl850-01en network connects the dl850/DL850V to a pc using ethernet. ? you must set tcp/ip parameters to connect the dl850/DL850V to an ethernet network. ? to connect the dl850/DL850V to a pc, be sure to use straight cables through a hub. correct operation is not guaranteed for a one-to-one connection using a cross cable. ? use one of the following types of network cable that conforms to the transfer speed of your network. a utp (unshielded twisted-pair) cable an stp (shielded twisted-pair) cable 20 other features free datasheet http://
20-5 im dl850-01en system configuration (system configuration) you can specify the following settings. ? dl850/DL850V date and time ? language ? click sound on/of f ? lcd adjustment ? format internal memory ? usb keyboard language ? usb communication date and time settings (date/time) the dl850/DL850V date and time. turning the display on and off (display) set whether to display the date and time on the dl850/DL850V screen. display format (format) you can display the date in one of the following formats. 2010/06/30 (year/numeric month/day) 30/06/2010 (day/numeric month/year) 30-jun-10 (day-english abbreviation of the month-last two dig its of the year) 30 jun 2010 (day month (english abbreviation) year) date and t ime settings (date/time) sets the date and time. time difference from greenwich mean time (time diff. gmt) set the time difference between the region where you are using the dl850/DL850V and greenwich mean time. selectable range: set the time dif ference in the range of ?12 h ours 00 minutes to 13 hours 00 minutes. for example, japan standard time is ahead of gmt by 9 hours. in this case, set time hour to 9 and minute to 00. checking the standard time using one of the methods below , check the standard time of the region where you are using the dl850/ DL850V . ? check the date, time, language, regional options on your pc. ? check the standard time at the url on the right. http://www.worldtimeserver.com/ ? the dl850/DL850V does not support daylight savings time. to set the daylight savings time, reset the time difference from greenwich mean time. ? date and time settings are backed up using the internal lithium battery . they are retained even if the power is turned off. ? the dl850/DL850V has leap-year information. 20 other features free datasheet http://
20-6 im dl850-01en time synchronization feature (time synchro; optional) you can use this feature to use an irig (inter range instrumentation group) signal to synchronize the time on the dl850/DL850V with the gps (global positioning system). this feature has three conditions: unlock, lock, and stable. when an irig signal is properly received, the dl850/DL850V enters into the lock condition and acquires time information. turning the time synchronization feature on and off (time synchro) you can select whether to use an irig (inter range instrumentation group) signal for time synchronization. irig code format (irig format) you can set the irig code format to a or b. irig code modulation type (modulation) you can set the irig code modulation type to am or pulse-width code (pwcode). input impedance (impedance) you can set the input impedance to 50 or 5 k. the time synchronization feature has three conditions: unlock, lock, and stable. when an irig signal is properly received, the dl850/DL850V enters into the lock condition. time acquisition and synchronization are possible after 1 s. a few minutes after the dl850/DL850V enters the lock condition, it enters into the stable condition. in the stable condition, the internal clock of the dl850/DL850V is synchronized to within 10 ppm of the gps. language (language) sets the language that is used in the setup menu and messages. the available languages vary depending on the dl850/DL850V model that you are using. adjusting the lcd (lcd) you can turn off the lcd and adjust its brightness. adjusting the brightness (brightness) you can adjust the brightness in the range of 1 (darkest) to 9 (brightest). you can prolong the lcd service life by decreasing the lcd brightness or by turning off the lcd when you do not need to view it. turning off the lcd (lcd turn off) you can turn off the lcd. when the lcd is off, you can turn it back on by pressing a key. automatically turning off the lcd (auto off) the lcd turns off automatically when there are no key operations for a given time period. the lcd turns back on when you press a key. formatting storage media (storage manager) you can format storage media. if you format a storage medium, all saved data is erased. usb keyboard language (usb keyboard) sets the usb keyboard language to english or japanese. the usb keyboard can be used to enter file names, comments, etc. 20 other features free datasheet http://
20-7 im dl850-01en usb communication (usb function) you can specify the communication features that are used when you connect the dl850/DL850V to a pc through usb. ? tmc: you can use usb tmc (test and measurement class) to control the dl850/DL850V from a pc. to remotely control the dl850/DL850V using communication commands through the usb port, select usbtmc and then carry out the following procedure. ? install yokogawa usb tmc driver on your pc. ? do not use usb tmc drivers (or software) supplied by other companies. ? storage: the connected pc can use the dl850/DL850V as a usb storage device. ? there is no need to install the usb tmc driver into your pc. ? for information about how to obtain the yokogawa usb tmc driver, contact your nearest yokogawa dealer. you can also access the yokogawa usb driver download webpage and download the driver (http:// tmi.yokogawa.com/service-support/downloads/). ? when usb function is set to storage, only the internal hard d isk of the dl850/DL850V can be used as a storage device. you cannot access the storage media connected to the usb ports of the dl850/DL850V. ? when you access the internal hard disk of the dl850/DL850V from a pc, only perform read, write, and delete operations. otherwise, the dl850/DL850V may be damaged. ? when usb function is set to storage and files are being acce ssed, do not remove the usb cable or turn off the dl850/DL850V. doing so may damage the dl850/DL850V. 20 other features free datasheet http://
20-8 im dl850-01en 20 other features environment settings (preference) action performed at power on (power on action) setting whether to start waveform acquisition (start) select whether to start waveform acquisition at power on (on) or not (off). setting whether to turn the action function on or off (action) select whether to enable the action function at power on (on) or not (off). ? on: when the power is turned on, the action mode setting is t he same as it was when the power was turned off. ? off: when the power is turned on, the action mode is of f. logic settings (logic setup) logic channel display format (numerical format) choose whether to display the logic waveform values in the numeric monitor as binary (bit) or hexadecimal (hex) values. cursor read order (cursor order) choose the order that you want to read the bit data from logic input signals in. ? 1->8: bit 1 to bit 8 ? 8->1: bit 8 to bit 1 bit data display order (bit order) choose the order that you want to display the bit data from logic input signals in. ? 1->8: bit 1 to bit 8 ? 8->1: bit 8 to bit 1 terminal setup (terminal setup) enabling or disabling the remote high (stop) signal (remote stop) select whether to ignore (on) the remote high (stop) signal or not (off). trigger output signal (trigger out) you can set the type of signal that is generated from the trigger output terminal to normal or pulse. trigger output signal pulse width (pulse width) when you set the trigger output signal type to pulse, you can set the pulse width to 1 ms, 50 ms, 100 ms, or 500 ms. configuring the display (display setup) menu font size (menu font size) you can set the font size of the menu to small or large. menu background color (base color) you can set the background color of the menu to blue or gray. scale value display font size (scale font size) you can set the font size of the scale value display to small or large. items whose scale values are displayed (scale on item) set the items that you want to display when scale value is set to on. ? all: the vertical axis (v scale) and horizontal axis (time scale) are displayed. ? time scale: only the horizontal axis (time scale) is displayed. free datasheet http://
20-9 im dl850-01en 20 other features turning the level indicator display on and off (level indicator) you can choose whether to display the level indicator (on), which shows the waveform levels, or not (off). the level indicator appears on the right side of the waveform display window. intensity (intensity) you can set the intensities of the grid (grid), cursor (cursor), and marker (marker) to values within the range of 1 to 8. key and knob setup (key/knob setup) turning on or off the click sound (click sound) you can turn on or off the click sound that is generated when you operate the jog shuttle. start/stop key response time (start/stop response time) you can set the response time of the start/stop key to instant (quick) or 1 s or more (> 1sec). key lock (key protect) you can lock the operation keys to prevent unintentional changes to the current state of the dl850/DL850V. ? t ype (type) select whether to lock all the keys (all) or to lock all keys except the start/stop key (except start/ stop). ? release method (release type) select whether to release the key lock by pressing the key protect key (key) or by entering a password (password). ? password (password) specify the password to use to release the key lock. specify th e password using up to eight alphanumeric characters. if you forget the password, you can release the key lock by turning the dl850/DL850V on while holding down the reset key. note that all settings will be initialized when you do this. self-test (selftest) you can test the keyboard and memory operations. test type (type) you can perform the following tests. key test (key board) tests whether the front-panel keys are operating properly. if the name of the key that you press is highlighted, the key is operating properly. memory test (memory) you can test the internal memory to determine whether it is functioning normally. if it is functioning normally, test completed appears. if an error occurs, failed appears. sd memory card test (sd card) you can test an sd memory card to determine whether it is functioning normally. if it is functioning normally, test completed appears. if an error occurs, failed appears. hard disk test (hdd) you can test an internal or external hard drive to determine whether it is functioning normally. if it is functioning normally, test completed appears. if an error occurs, failed appears. printer test (printer) tests whether the optional built-in printer is operating properly. if the print density is correct, the built-in printer is operating properly. if an error occurs, the built-in printer does not print properly. update (version up) select this option to update the firmware. for details on updating firmware versions, contact your nearest yokogawa dealer. free datasheet http://
20-10 im dl850-01en 20 other features executing a test (test exec) the selected self-test starts. if an error occurs during a self-test if an error occurs even after you carry out the following procedure, contact your nearest yokogawa dealer. ? execute the self-test again several times. ? check whether the media being tested is properly inserted. ? check that the paper is set properly in the built-in printer and that paper is not jammed. overview (overview) you can display the following information about the dl850/DL850V. ? model ? record length ? serial number ? product id: unique number assigned to each instrument. this number is necessary for the purchase of additional options. ? slot: names of the inserted modules ? options ? default language ? firm version: firmware version number ? fpga1/2 version: fpga1/2 version number * the 70126, 701280, and 720240 modules have internal cpus and firmware. for slots that have these modules installed in them, the version number of the firmware installed on the module is also displayed. ? for the 701265 example: 701265 a.aa a.aa is the version of the firmware installed on the module. ? for the 701280 or 720240 example: 701280 b.bb/c.cc b.bb is the version of the firmware installed on the module. c. cc is the version of the firmware on the dl850/DL850V that can be installed on the 701280 (freq). if the two above versions are the same, only one version number will be displayed. key lock (key protect) you can lock the operation keys to prevent unintentional changes to the current state of the dl850/DL850V. when the keys are locked, pressing any keys other than key protect has no effect, and the usb mouse and keyboard cannot be used. num lock press this key to use the ch1 to ch16 keys to enter numbers. after you press num lock, you can press a channel key to enter the number, sign, unit prefix, or exponent displayed to the upper right of the key in white, or to confirm an entry or selection (enter). free datasheet http://
app-1 im dl850-01en appendix appendix 1 how to calculate the area of a waveform integ1ty sum of only the positive curve areas : s 1 + s 2 s 1 s 2 integ2ty sum of the positive and negative curve areas: s 1 + s 3 C s 2 s 1 s 3 s 2 integ1xy (1) multiple loops s 0 start point, stop point area s = n s 0 n: the number of loops (2) non-closed curve s 0 start point stop point (3) loop tracing a figure-eight area s = |s 0 C s 1 | (4) loop tracing a spiral stop point s 0 s 1 start point stop point start point s 0 waveform s 1 area s = s 0 area enclosed by a curve connecting the start and stop points area s = s 0 2 + s 1 the number of overlaps varies according to the number of loops. free datasheet http://
app-2 im dl850-01en integ2xy (1) when each y data point corresponds to a single x data point (1) (3) start point stop point s 0 area s = s 0 x-axis (y = 0) x-axis (y = 0) area s = Cs 0 stop point start point s 0 (2) (4) stop point start point s 0 area s = s 0 C s 1 x-axis (y = 0) x-axis (y = 0) area s = s 0 start point stop point s 0 (2) when the waveform extends into the negative side x-axis (y = 0) s 0 s 1 start point stop point (3) when multiple y data corresponds to one point of x data x-axis (y = 0) s 0 start point stop point area s = s 0 x-axis (y = 0) s 0 stop point start point area s = s 0 + 2 s 1 + s 2 s 1 s 2 area s = Cs 0 appendix free datasheet http://
app-3 im dl850-01en appendix 2 user-defined computation (optional) digital filter type type bandwidth gauss (gaussian) lowpass sharp lowpass/highpass/bandpass iir (butterworth) lowpass/highpass/bandpass filter order see the following table for the filter orders. 2% 5% 10% 20% 30% (cutoff) gauss lowpass 49 21 9 5 5 sharp lowpass 88 36 18 9 8 highpass 159 65 33 17 13 iir lowpass 4 4 4 3 2 highpass 4 4 4 4 3 filter characteristics filter pass-band ripple attenuation slope attenuation at the stop-band phase gauss 0 db * ? linear phase sharp 0.3 db ?40 db at 1 oct (lowpass), ? 40 db linear phase ?40 db at ?1 oct (highpass) ? linear phase iir 0 db ?5 db at 1/6 oct (lowpass), ? non-linear phase ?20 db at ?1 oct (highpass) ? * for gaussian filter: ?3.0 (f/fc) 2 db (f: frequency, fc: cutoff frequency) frequency characteristics of filters f: sampling frequency (hz) gauss (10% cutoff) sharp (low pass; 10% cutoff) iir (low pass; 10% cutoff) the higher the filter order the longer it takes for computation. appendix free datasheet http://
app-4 im dl850-01en hilbert function (hlbt) normally, when we analyze real-time signals, it is useful to think of these signals as the real part of functions of complex variables, and to carry out the actual signal analysis using such functions. if the real-time signal is considered to be the real part of the function, the imaginary part can be determined with the hilbert transform of the real part. the hilbert transform does not change the order of the individual variables. the hilbert transform of a time signal results in another time signal. the hilbert transform procedure is as follows. when a time-domain signal is transformed, the signal is first transformed into the frequency domain through fourier transform. next, the phase of each frequency component is shifted by ?90 degrees if the frequency is positive and +90 degrees if the frequency is negative. lastly, taking the inverse fourier transform completes the hilbert transform. example ? the hilbert transform can be used to analyze an envelope w aveform. am (amplitude modulation): sqrt(c1 c1 + hlbt(c1) hlbt(c1)) demodulation of an fm signal: dif(ph(c1, hlbt(c1))) phase function (ph) phase function ph(x1, y1) computes tan ?1 (x1/y1). the phase function takes the phase of the previous point into consideration and continues to sum even when the value exceeds (the atan function reflects at ). the unit is radians. previous point previous point 2 2 2 = 1 + ?2 2 = 1 C ?2 ?2 ?2 1 1 appendix free datasheet http://
app-5 im dl850-01en appendix differentiation and integration (dif, ddif, intg, and iintg) differentiation (dif, ddif) the computation of the first-order and second-order differentiated values uses the 5th order lagrange interpolation formula to derive a point of data from the five points of data before and after the target. the figure below shows data f0 to fn with respect to sampling times x0 to xn. the derivative and integrated values corresponding to these data points are computed as shown below. x 0 x k f f 0 f 1 f 2 f 3 f 4 f k f n-4 f n-2 f n-1 f n f n-3 x 3 x 4 x 2 x 1 x n-2 x n x n-1 x n-3 x n-4 ? equations for first order derivatives point x 0 f 0 = [C25f 0 + 48f 1 C 36f 2 + 16f 3 C 3f 4 ] point x 1 f 1 = [C3f 0 C 10f 1 + 18f 2 C 6f 3 + f 4 ] point x 2 f 2 = [f 0 C 8f 1 + 8f 3 C f 4 ] point x k f k = [f k-2 C 8f k-1 + 8f k+1 C f k+2 ] point x n - 2 f n - 2 = [f n-4 C 8f n-3 + 8f n-1 C f n ] point x n-1 f n-1 = [Cf n-4 + 6f n-3 C 18f n-2 + 10f n-1 + 3f n ] point x n f n = [3f n-4 C 16f n-3 + 36f n-2 C 48f n-1 + 25f n ] h = x is the sampling interval (s) (example: h = 200 10 C6 at 5 khz) 1 12h 1 12h 1 12h 1 12h 1 12h 1 12h 1 12h ? equations for second order derivatives (ddif) point x 0 f 0 = [35f 0 C 104f 1 + 114f 2 C 56f 3 + 11f 4 ] point x 1 f 1 = [11f 0 C 20f 1 + 6f 2 + 4f 3 C f 4 ] point x 2 f 2 = [Cf 0 +16f 1 C 30f 2 + 16f 3 C f 4 ] point x k f k = [Cf k-2 + 16f k-1 C 30f k + 16f k+1 C f k+2 ] point x n - 2 f n - 2 = [Cf n-4 + 16f n-3 C 30f n-2 + 16f n-1 C f n ] point x n-1 f n-1 = [Cf n-4 + 4f n-3 + 6f n-2 C 20f n-1 + 11f n ] point x n f n = [11f n-4 C 56f n-3 + 114 n-2 C 104f n-1 + 35f n ] 1 12h 2 1 12h 2 1 12h 2 1 12h 2 1 12h 2 1 12h 2 1 12h 2 free datasheet http://
app-6 im dl850-01en appendix integration (intg, iintg) the first and second order integrated values are derived using the trapezoidal rule. ? equations for first order integration (intg) point x 0 i 0 = 0 point x 1 i 1 = (f 0 + f 1 )h point x 2 i 2 = (f 0 + f 1 )h + (f 1 + f 2 )h = i 1 + (f i + i 2 )h point x n i n = i n-1 + (f n-1 + f n )h 1 2 1 2 1 2 1 2 1 2 ? equations for second order integration (iintg) point x 0 ii 0 = 0 point x 1 ii 1 = (i 0 + i 1 )h point x 2 ii 2 = (i 0 + i 1 )h + (i 1 + i 2 )h = ii 1 + (i i + i 2 )h point x n ii n = ii n-1 + (i n-1 + i n )h 1 2 1 2 1 2 1 2 1 2 binary conversion (bin) binary conversion is performed through the use of the specified threshold levels. bin(c1) 1 0 upper threshold level lower threshold level free datasheet http://
app-7 im dl850-01en pulse width computation the signal is converted to binary values according to the preset threshold levels, and the time of the pulse width is plotted as the y-axis value for that interval. you can set the interval to one of the four settings below. pwhh from a rising edge to the next rising edge. pwhl from a rising edge to the next falling edge. pwlh from a falling edge to the next rising edge. pwll from a falling edge to the next falling edge. pwxx from a rising or falling edge to the next rising or falling edge. fv inverse of pwhh example for pwhh waveform to be computed t1 t1 t2 t2 t3 t3 computed result upper threshold level lower threshold level fft function - user-defined each frequency component g of a linear spectrum is represented by g = r + ji, where r is the real part and i is the imaginary part. linear spectrum the linear spectrum can be directly determined with the fft. through this spectrum, the magnitude and phase of each frequency component included in the measured waveform can be found. the power spectrum and cross spectrum can also be determined from the linear spectrums of one or two signals. because the fft is a complex function, the linear spectrum produces the real part and imaginary part of the frequency components. the magnitude and phase of the linear spectrum can also be determined from this result. the dl850/DL850V can determine the following spectrums. item expression computation real part ls-real r imaginary part ls-imag i magnitude ls-mag (r 2 +i 2 ) log magnitude ls-logmag 20 log (r 2 +i 2 ) phase ls-phase tan ?1 (i/r) log magnitude reference (0 db): 1 vpeak appendix free datasheet http://
app-8 im dl850-01en power spectrum the power spectrum expresses the power (squared value) of each frequency component included in the measured signal. it is determined by taking the product of the linear spectrum and its complex conjugate. it does not contain phase information. the dl850/DL850V can determine the following spectrums. item expression computation magnitude ps-mag dc component r 2 + i 2 ac component (r 2 + i 2 )/2 log magnitude ps-logmag dc component 10 log(r 2 + i 2 ) ac component 10 log{(r 2 + i 2 )/2} log magnitude reference (0 db): 1 vrms 2 power spectrum density the power spectrum density expresses the power spectrum per unit frequency. it is determined by dividing the power spectrum by the frequency resolution f found during the analysis of the power spectrum. the computation varies depending on the window function. power spectrum density is used to compare power spectrums analyzed at different frequency bands. however, it is not necessary for signals having a line spectrum such as sine waves. the dl850/DL850V can determine the following spectrums. item expression computation magnitude psd-mag ps-mag/( f k) log magnitude psd-logmag 10 logps-mag/( f k) log magnitude reference (0 db): 1 vrms 2 overall value the overall value is the total rms value determined from the frequency spectrum included in the signal. the overall value is the square root of the summation of the power spectrums of all frequencies. k 2 ps 0 + ps i (vrms) overall value = rms = overall value appears on the screen when automated measurement of waveform parameters is being performed (measure is set to on) on the channel that has been selected for power spectrum computation (ps or psd) and rms is set to on. however, when window is set to exponential, overall values are not displayed. k k varies as indicated below depending on the selected time window. time window type k rect (rectangular window) 1 hanning (hanning window) 1.5 flattop (flattop window) 3.19693 hamming (hamming window) 1.3628 appendix free datasheet http://
app-9 im dl850-01en cross spectrum the cross spectrum is determined from two signals. it is the product of the linear spectrum of one signal (gy) and the complex conjugate (gx * ) of the linear spectrum of the other signal (gx). if the linear spectrums of the two signals are represented by gx = rx + jix gy = ry + jiy then the cross spectrum gyx is gyx = gy gx * = (ry + jiy)(rx ? jix) = ryx + jiyx where ryx = ryrx + iyix iyx = rxiy ? ryix the dl850/DL850V can determine the following spectrums. item expression computation real part cs-real ryx/2 imaginary part cs-imag iyx/2 magnitude cs-mag (ryx 2 +iyx 2 )/2 log magnitude cs-logmag 10 log ( (ryx 2 +iyx 2 )/2 ) phase cs-phase tan ?1 (iyx/ryx) transfer function the transfer function expresses the frequency responses of the input to and the output from the transfer system. the transfer function is determined by the ratio of the output linear spectrum (gy) and the input spectrum (gx) at each frequency. also, as can be seen from the following equation, the transfer function can be defined as the ratio of the cross spectrum of the input and output (gyx) and the input power spectrum (gxx). t ransfer function = gy/gx = (gy gx * )/(gx gx * ) = gyx/gxx = (ryx + jiyx)/(rx2 + ix2) the dl850/DL850V can determine the following items. item expression computation real part tf-real ryx/(rx 2 + ix 2 ) imaginary part tf-imag iyx/(rx 2 + ix 2 ) magnitude tf-mag (ryx 2 +iyx 2 ) /(rx 2 + ix 2 ) log magnitude tf-logmag 20 log (ryx 2 +iyx 2 ) /( rx 2 + ix 2 ) phase tf-phase tan ?1 (iyx/ryx) the magnitude of the transfer function shows the ratio of the magnitudes of the output linear spectrum and the input linear spectrum while the phase shows the phase difference of the two. coherence function the coherence function expresses the ratio of the output power generated by the input signal to the transfer system and the total output power. coherence function = gyx gyx * /(gxx gyy) item expression computation phase ch-mag tan ?1 (ryx 2 + iyx 2 )/(gxx gyy) if the output signal is due entirely to the input signal, the coherence function becomes 1. as the ratio decreases, it falls below 1. thus, the coherence function always takes on a value between 0 and 1. on one data acquisition, the coherence function becomes 1 across all frequencies. make sure to take the frequency average of the computation. appendix free datasheet http://
app-10 im dl850-01en time windows you can use a rectangular, hanning, flattop, or exponential time window (you can only use an exponential time window on models with the user-defined computation option). the rectangular window is suited to transient signals, such as impulse waves, which attenuate completely within the time window. the hanning and flattop windows allow continuity of the signal by gradually attenuating the parts of the signal located near the ends of the time window down to the 0 level. hence, they are suited to continuous signals. the hanning window provides a higher frequency resolution compared to the flattop window. however, the flattop window has a higher level of accuracy. when the waveform being analyzed is a continuous signal, consider the above characteristics in selecting the proper window to be applied. t t t t t sine wave time windows integral power spectrum rectangular hanning t t hamming rectangular hanning flattop hamming : w(t) = u(t) C u(t C t) u(t): step function : w(t) = 0.5 C 0.5 cos( 2 ) : w(t) = {0.54 C 0.46 cos( 2 )} : w(t) = 0.54 C 0.46 cos( 2 ) t t flattop t t t t sin{2(1 C 2t/t)} 2(1 C 2t/t) t t the exponential window is used to eliminate noise components from the signal. it is suited for the signals of impulse-excitation frequency-response tests and other similar signals. on the dl850/DL850V, the exponential window and force window are activated simultaneously. exponential window the damping rate is set in terms of the weight of the last data point, with the weight of the first data point in the specified number of fft points taken to be 100% (= 1). you can set the damping rate in the range of 1 to 100% (1% resolution). the exponential window damps the signal exponentially along the time axis. it is effective when the signal does not attenuate fully within the record length. when the damping rate is set to 100%, the window functions like a rectangular window. force window set the area over which computation is performed in terms of a percentage from the first fft point, taking the set number of fft points to be 100%. the areas (force 1 and force 2) can be set in the range of 1 to 100% (1% resolution) of the input/output signal. when an area is set to 100%, the window functions like a rectangular window. on the dl850/DL850V, the outer area is the average of the results of the window function for the data outside the area. force1: this setting applies to the input signals of one-waveform and two-waveform ffts. force2: this setting applies to the output (response) signal (second parameter) of a two-waveform fft. 0 1 time time setting (%) setting (%) 1 frame = 100% 100% exponential window force window weight weight 0 1 appendix free datasheet http://
app-11 im dl850-01en combined form of the exponential and force windows the dl850/DL850V uses a window function that combines the exponential window and force window to perform computations. the outer area of the force window is the average of the results of the window function for the data outside the area. 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 0 20 40 60 80 100 record length (%) damping rate: 1% damping rate: 20% damping rate: 50% damping rate: 90% when the force window area is set to 80% and the data outside the area is taken into account weight the damping rate does not change for the the outer area (80% to 100% of the record length). ? application example on the dl850/DL850V 0 20 40 60 80 100 0 0.5 1 1.5 2 record length (%) when the damping rate is set to 20% and force 1 is set to 80% weight the outer area (80% to 100% of the record length) is the average of the results of the window function for the data outside the area with no change to the damping rate. original data computed result from the exponential window computed result from the exponential and force windows notes about executing fft computation computation is normally performed on the sampled data in the acquisition memory. however, for waveforms that have been acquired in envelope mode, computation is performed on the maximum and minimum values per acquisition interval. appendix free datasheet http://
app-12 im dl850-01en appendix 3 fundamental equations for defining strain definition of strain l/l = ...............................................(1) : strain l: initial length of the material l: amount of change due to external strain definition of the gauge factor gauge factor (k) refers to the ratio between the mechanical strain and the change in the resistance of the strain gauge resistor. (r/r) = k ............................(3) = l r/r l k = ........................ (2) r: gauge resistance r: amount of change in resistance when strain is applied normally, k = 2.0. however, the value varies depending on the strain gauge material. general equation for the measured voltage (v) and strain () of a wheatstone bridge (1 gauge method) if we assume v to be the voltage measured on the bridge and e to be the voltage applied to the bridge, v = (1/4) e (r/r) ........................(4) from equation (3), (r/r) = k thus, v = (1/4) e k .................(5) when determining the strain (e) from the measured voltage (v) (using a strain gauge and the 1 gauge method) if we derive e from equation (5) = (4/k) (v/e) ...........................(6) when determining the measured value of the strain gauge sensor (e) from the voltage measured on the bridge (v) (strain gauge sensor) assuming e to be the measured value (measured value of th e strain gauge sensor: mv/v unit) and substituting = e in equation (6), e = (4/k) (v/e) ...........................(7) in the case of a strain gauge sensor, set the gauge factor (k) to 2 on the dl850/DL850V. if you change the value of k, the values are converted through the use of the above equation. appendix free datasheet http://
app-13 im dl850-01en appendix appendix 4 shunt calibration of the strain module in shunt calibration, the strain measurement gain is adjusted through the connection of a known resistance (the resistance for shunt calibration, hereinafter referred to as the shunt resistance) in parallel to the strain gauge. the strain module (701271 (strain_dsub)) supports shunt calibration with a built-in shunt-calibration relay circuit. to perform shunt calibration, you need a bridgehead that supports shunt calibration (701957 or 701958). b8023wp bridge+ bridge+ bridgehead 701957/701958 (with shunt calibration support) bridge- bridge- input+ input+ input- input- sense+ sense+ sense- sense- shuntcal+ shunt resistor shuntcal- shuntcal+ shuntcal- r r r 9 6 8 7 5 2 4 3 1 shell twist twist twist shield twist bridge+ bridge- input+ input- sense+ sense- suntcal+ suntcal- floating common floating common gnd terminal case 9 6 8 7 5 2 4 3 1 shell floating common on/off shuntcal- sense+ + - sense- sense+ sense- 701271 strain_dsub ad module all module signals are isolated. bridge power + - shuntcal shuntcal+ case 1 the gnd (floating common) of the module is connected to the case potential inside the bridge box. 2 the bridgehead case, the cable shield, and the measuring instrument case are connected as measures against noise. the floating common of the module is grounded within the bridgehead. 1 the connector shell is connected to the case potential of the bridgehead. 2 the shield is connected to the bridgehead case and the measuring instrument case. 2 the connector shell is connected to the case potential of the measuring instrument. 2 measurement instrument (example: dl850) bridge voltage bridge+ bridge- in+ in- shunt resistor (connected to the bridgehead) 120 120 120 ? when correcting the gain on the negative side (normal) shunt calibration relay circuit (built into the strain module. turns on and off automatically when shunt calibration is executed.) free datasheet http://
app-14 im dl850-01en appendix bridge+ bridge- in+ in- bridge voltage 120 120 120 ? when correcting the gain on the positive side shunt calibration relay circuit (built into the strain module. turns on and off automatically when shunt calibration is executed.) shunt resistor, when correcting the positive side shunt calibration procedure 1. calculate the strain value (str) that corresponds to the shunt resistor you will use. for the calculation procedure, see calculating the shunt resistance in the next section. 2. execute balancing without applying a load to the strain gauge , and correct the zero point. 3. execute shunt calibration, and correct the gain. to execute shunt calibration, in the ch menu, select linear scale, mode, and then shunt. usually, the negative gain is corrected. however, if you are correcting the positive gain, change the position of the shunt resistor as shown in the above figure. strain input strain ? balance before execution after execution the zero point is corrected when balancing is executed. strain p2:y p2:x strain input ? shunt calibration current measured value * before execution after execution. the gain is corrected. * obtained automatically when shunt calibration is performed in the setup menu, set the strain value corresponding to the shunt resistor to p2:y. free datasheet http://
app-15 im dl850-01en appendix shunt calibration execution menu the shunt calibration execution menu appears when you select linear scale, mode, and then shunt in the ch menu. in normal shunt calibration, only p2:y is set. on the dl850/DL850V, in addition to performing normal shunt calibration (when the shunt-calibration relay circuit is on), you can also set the zero-point value when the relay circuit is off. the zero-point value is valid when the strain value after balancing is performed is not 0. items in the execution menu (1) p1[x]: when shunt calibration is executed, the input value when the relay circuit is of f is applied. (2) p1[y]: set the value for when the relay circuit is off (normally 0). (3) p2[x]: when shunt calibration is executed, the input value when the relay circuit is on is applied. (4) p2[y]: set the strain value that corresponds to the shunt resistance when the relay circuit is on. ? when you execute shunt calibration, select an appropriate range so that the measured values will stay within the range when the shunt-calibration relay circuit is on. the dl850/DL850V attempts to perform shunt calibration within the current range. ? an error message will appear if shunt calibration fails (becaus e of out-of-range values or some other reason). when this happens, change the range, and perform shunt calibration again. ? do not connect and disconnect multiple usb devices repetitively . provide a 10-second interval between removal and connection. reducing noise because measurements are made at the mv level, the strain gauge is extremely susceptible to noise. if the execution of balancing or shunt calibration fails, it may be due to noise. please take the following points into consideration. ? because the strain gauge is attached away from the bridgehea d, we recommend that you use twisted wire for extensions. ? use a bridgehead with high noise resistance. w e recommended that you use a yokogawa bridgehead (701957 or 701958); they are highly resistant to noise. free datasheet http://
app-16 im dl850-01en appendix calculation of the shunt resistance to execute shunt calibration, you need to calculate the shunt resistance (rs) and the expected strain () in advance. for p2-y, use as given in the equation below (normally a negative value). in the general method given for shunt calibration (the easy method), an error of 1 to 2% is introduced as the strain value () increases. therefore, use the detailed method whenever possible. equation for rs and when shunt calibration is executed general equation (easy method) r/r = k ..................(1): fundamental strain equation r = r ? r//rs * ................(2): equation for the change in resistance when the shunt resistance is on * in this manual, the equation for parallel resistances is expressed as follows: r//rs = = 1 r r rs r + rs 1 1 rs + : strain (strain value that you want to be generated when the shunt resistance is turned on) k: gauge factor r: bridge resistance r: resistance change rs: shunt resistance (shunt resistance you want to derive) if r from (1) and (2) is cancelled out, rs = r (1 C k )/(k ) equation a: general equation for calculating the shunt resistance (includes error) free datasheet http://
app-17 im dl850-01en appendix detailed equation ....................... ....................... e: bridge voltage v 0 : bridge output voltage r 1 to r 4 : bridge resistance (r 1 = r 2 = r 3 = r 4 ) rs: shunt resistance (shunt resistance you want to derive) r: combined resistance when the relay is turned on (r = r//rs) v0 = e (r 1 r 3 C r 2 r 4 )/{(r 1 + r 2 ) (r 3 + r 4 )} (1): basic equation for a wheatstone bridge when shunt calibration is on, v0 = e (r 1 r 3 C r r 4 )/{(r 1 + r) (r 3 + r 4 )} (2): equation when shunt calibration is on r = r 2 //rs .................... (3): equation for combined resistance r r 1 = r 2 = r 3 = r 4 = r...... (4): since r 1 to r 4 are equal, they are represented as r. also, from the basic equation of strain, v0/e = k /4 .................. (5): basic equation of strain if v0/e and r 1 to r 4 from (2), (3), (4), and (5) are cancelled out, rs = r (1 C k /2)/(k ) equation b: detailed equation for calculating the shunt resistance (no error) e (bridge power supply) r 1 r 4 r 2 r 3 r s v 0 free datasheet http://
app-18 im dl850-01en appendix calculation example when determining the shunt resistance (rs) from the strain ( ) given a gauge factor (k) of 2, detailed equation (equation b) rs = r (1 ? )/(2 )................. ........(6) general equation (equation a) rs = r (1 ? 2 )/(2 )...................(7) degree of error of 1 to 2% desired strain rs value ( ) derived from the detailed equation (6) rs value ( ) derived from the general equation (7) (str) r = 120 r = 350 r = 120 r = 350 1,000 59,940 174,825 59,880 174,650 2,000 29,940 87,325 29,880 87,150 5,000 11,940 34,825 11,880 34,650 10,000 5,940 17,325 5,880 17,150 when determining the strain ( ) from the shunt resistance (rs) if we derive from equations (6) and (7), detailed equation (equation b) = 1/(1 + 2 rs/r)...................... ........(8) general equation (equation a) = 1/{2 (1 + rs/r)}............................(9) degree of error of 1 to 2% ? when the bridge resistance r is 120 rs value () strain (str) derived from the detailed equation (8) strain (str) derived from the general equation (9) 60,000 999 998 30,000 1,996 1,992 12,000 4,975 4,950 6,000 9,901 9,804 ? when the bridge resistance r is 350 rs value () strain (str) derived from the detailed equation (8) strain (str) derived from the general equation (9) 180,000 971 970 90,000 1,941 1,937 36,000 4,838 4,814 18,000 9,629 9,537 free datasheet http://
app-19 im dl850-01en appendix appendix 5 measurement principle of the frequency module measurement principle (measurement method and update rate) of the frequency module the measurement principle of the period, frequency, pulse width, and duty cycle on the frequency module (701280 (freq)) is described below. period and frequency measurement the frequency module updates the waveform at a rate of 25 khz (40 s interval). the measurement method differs for frequencies above 25 khz and below 25 khz as described below. ? when the input signal is less than or equal to 25 khz, measure ment is made as described in (1). ? when the input signal is greater than or equal to 25 khz, measurement is made as described in (2). ? the sequence of processing described below is performed simultaneously through pipeline processing. thus, the period (t) and frequency (f) are updated every 40 s. (1) when the input signal is less than or equal to 25 khz the module measures the time of occurrence of the pulse edg e (t1) in measurement interval a. the module measures the time of occurrence of the pulse edge (t2) in measurement interval b. the module calculates the period (t) in measurement interval c. t = t2 ? t1 the frequency (f) is calculated as 1/period (t). when the period of the input pulse spans over multiple measurement intervals, computation is performed in the measurement interval following the interval in which the edge is detected. input pulse measurement interval: 40 s time: t1 time: t2 a b period (t) period (t) = t2 C t1 frequency (f) = 1/period (t) 40 s c 40 s (2) when the input signal is greater than or equal to 25 khz the module measures the time of occurrence of the last pulse edge (te1) in measurement interval a. the module measures the time of occurrence of the last pulse edge (te2) in measurement interval b. the module measures the number of pulses between the last pulse edge in measurement interval a and the last pulse edge in measurement interval b. the module calculates the period (t) in measurement interval c . t = te2 ? te1/number of pulses the period (t) calculated is the average value of multiple pulses. the frequency (f) is calculated as 1/period (t). if the input pulse period is short, the dl850/DL850V automatically takes the average of multiple pulses and calculates the period and frequency. therefore, the resolution does not degrade even when the input pulse period is short, and highly accurate measurement is possible. time: te1 input pulse period (t) = (te2 C te1)/3 frequency (f) = 1/period (t) measurement interval: 40 s number of pulses: 3 time: te2 a b c 40 s 40 s free datasheet http://
app-20 im dl850-01en appendix pulse width and duty cycle measurement ? when the input signal is less than or equal to 25 khz, measure ment is made as described in (1). ? when the input signal is greater than or equal to 25 khz, measurement is made according to the last waveforms in the measurement intervals as described in (2). ? the sequence of processing described below is performed sim ultaneously through pipeline processing. thus, the period (t) and frequency (f) are updated every 40 s. (1) when the input signal is less than or equal to 25 khz the module measures the times of occurrence of the pulse edges (t1, t2, and t3) in measurement intervals a and b. in measurement interval c: for the pulse width: the module calculates the pulse width as t2 ? t1. for the duty cycle: the module calculates the duty cycle as (t2 ? t1)/(t3 ? t1). input pulse measurement interval: 40 s time: t1 time: t2 time: t3 pulse width = t2 C t1 duty = (t2 C t1)/(t3 C t1) pulse width 40 s a b c 40 s (2) when the input signal is greater than or equal to 25 khz the dl850/DL850V measures the times of occurrence of the last pulse edges (t1, t2, and t3) in measurement interval a. in measurement interval b: for the pulse width: the module calculates the pulse width as t2 ? t1. for the duty cycle: the module calculates the duty cycle as (t2 ? t1)/(t3 ? t1). input pulse pulse width = t2 C t1 duty = (t2 C t1)/(t3 C t1) measurement interval: 40 s t1 t2 t3 pulse width 40 s a b free datasheet http://
app-21 im dl850-01en appendix computation format (resolution) of the frequency module the computation flow on the frequency module is indicated below. 32-bit counter a (float) d (float) e (binary) 1 lsb weight range value value/div acq memory 2400 lsb/div binaryfloat float16bit binary computation (floating point) 2400 lsb /div c (float) C offset floating point data input 50 ns resolution internally, all calculations are performed using floating-point values. floating -point computation computations frequency period ... the frequency module measures the period of the input signal using a 32-bit counter at a resolution of 50 ns. therefore, the minimum resolution of the counter values is 50 ns. computations are performed in floating point format. the data that is output from the frequency module and written to the acquisition memory (acq memory) is 16-bit binary data. the frequency module converts the data using a weight of 1 lsb that is determined by value/div. the data is normalized to 2400 lsb/div when displayed on the screen. input: conversion from 32-bit counter values to floating point values the frequency module converts the count value that it obtains using the 32-bit counter at 50 ns resolution to floating point format, and determines period a using the following equation. period: a (float) = (count value) 50 ns computation various computations are performed in floating point format based on the settings. example frequency: c (float) = 1/a (float) calculation of the 1 lsb weight of the output the 1 lsb weight of the output is determined from the range (value/div). because 1 div = 2400 lsb, 1 lsb weight of the output = (value/div)/2400 computation output: conversion from floating point values to 16-bit binary values (when the offset is 0) when the offset value is 0, offset calculation is not performed, and c (float) = d (float). the data is converted into 16-bit binary data and written to the acquisition memory (acq memory). 16-bit binary data: e (binary) = d (float) (1 lsb weight of the output) offset computation when the offset value is not 0, the frequency module computes the offset value in floating point format using the following equation and then converts the value to 16-bit binary data. d (float) = c (float) ? offset value (float) in offset computation, if the computed result c (float) is equal to the offset value, the output is 0. if the computed result c (float) is less than the offset value, e (binary) is negative. free datasheet http://
app-22 im dl850-01en appendix filter characteristics (time delay) of the smoothing filter the smoothing filter is a moving average filter in which computation is performed in real time. the computation interval for moving averages is 40 s (25 khz). it is constant independent of the sampling rate of the dl850/ DL850V. the moving average order (the number of averaged points) is specified in terms of time. the maximum value is 25000 points (when the time is set to 1000 ms). the characteristics of the smoothing filter are as follows: ? the filter is a low-pass filter . ? the pass band is flat. ? the filter has linear phase characteristics. the group delay is constant for a given filter order. the group delay can be derived through the following equation. group delay = (the number of averaged points ? 1) 40 s/2 ? the filter has comb-shaped bandwidth characteristics. the figure below shows the result of applying the smoothing filter to a waveform that changes in steps. the smoothing filter setup time follows the step change. smoothing filter setup time waveform before the smoothing filter is applied waveform after the smoothing filter is applied free datasheet http://
app-23 im dl850-01en appendix appendix 6 list of preset settings of the frequency module logic 5v setup item setting v range 10 v coupling dc probe yes 1 bandwidth yes 2 threshold 2.5 v hys yes 3 slope yes 4 chattering suppression yes 5 pull up no logic 3v setup item setting v range 5 v (probe = 1:1) 10 v (probe = 10:1) coupling dc probe yes 1 bandwidth yes 2 threshold 1.5 v hys yes 3 slope yes 4 chattering suppression yes 5 pull up no logic 12v setup item setting v range 20 v coupling dc probe yes 1 bandwidth yes 2 threshold 6 v hys yes 3 slope yes 4 chattering suppression yes 5 pull up no logic 24v setup item setting v range 50 v coupling dc probe yes 1 bandwidth yes 2 threshold 12 v hys yes 3 slope yes 4 chattering suppression yes 5 pull up no free datasheet http://
app-24 im dl850-01en appendix pull -up 5v setup item setting v range 10 v coupling dc probe 1:1 bandwidth yes 2 threshold 2.5 v hys yes 3 slope yes 4 chattering suppression yes 5 pull up yes 6 zerocross setup item setting v range yes 7 coupling ac probe yes 1 bandwidth yes 2 threshold 0 v hys yes 3 slope rising chattering suppression yes 5 pull up no ac100v setup item setting v range 200 v coupling ac probe 10:1 bandwidth yes 2 (full cannot be selected) threshold 0 v hys yes 3 slope rising chattering suppression yes 5 pull up no ac200v setup item setting v range 500 v coupling ac probe 10:1 bandwidth yes 2 (full cannot be selected) threshold 0 v hys yes 3 slope rising chattering suppression yes 5 pull up no em pickup setup item setting v range 1 v coupling dc probe 1:1 bandwidth yes 2 threshold 0 v hys yes 3 slope rising chattering suppression yes 5 pull up no free datasheet http://
app-25 im dl850-01en appendix user setup item setting v range yes 7 coupling yes 8 probe yes 1 bandwidth yes 2 threshold yes 9 hys yes 3 slope yes 4 chattering suppression yes 5 pull up no when you select a preset, the setup items are automatically set to the values in the table. the meaning of yes and no in the table is as follows: yes: the setting can be configured. no: the setting cannot be configured (it does not appear on the menu). 1 set the probe type to 1:1 or 10:1. 2 set the bandwidth limit to 100 hz, 1 khz, 10 khz, 100 khz, or full. you cannot select full for ac100v or ac200v. 3 set the hysteresis to 1%, 2.5%, or 5%. 4 set the slope to rising or falling. 5 set the chattering elimination value to a value from 0 ms to 1000 ms. 6 enable or disable the pull-up. this setting is only available for pull-up 5v. 7 voltage ranges: when probe = 1:1, select 1 v, 2 v, 5 v, 10 v, 20 v, or 50 v. when probe = 10:1, select 10 v, 20 v, 50 v, 100 v, 200 v, or 500 v. 8 set the coupling to dc or ac. 9 set the threshold level to a value within the specified voltage range. free datasheet http://
app-26 im dl850-01en appendix 7 tcp and udp port numbers the tcp and udp port numbers that are used on the ethernet interface of the dl850/DL850V are listed below. tcp port numbers port number description used for 20 file transfer [default data] ftp server, ftp client, * and a portion of the web server 21 file transfer [control] ftp server, ftp client, and a portion of the web server 25 simple mail transfer protocol smtp client 80 world wide web htt web server and webdav server 515 ? lpr client 1001 ? instrument control through the ethernet interface udp port numbers port number description used for 67 bootstrap protocol server dhcp client 68 bootstrap protocol client (listen port) 123 network time protocol sntp client * the port number when ftp passive mode is disabled. when ftp passive mode is enabled, you can set any port number. when ftp passive mode is disabled, connections are established from the server. if you are connecting the dl850/DL850V from behind a firewall, enable ftp passive mode. appendix free datasheet http://
index-1 im dl850-01en index symbols page 1-cycle mode ...................................................................... 10-6 16-ch module, notes about using ........................................ 1-8 16-ch module sampling timing ............................................ 1-8 a page a -> b(n) trigger ................................................................... 4-8 accel coupling setting ........................................................ 2-7 acceleration measurement ................................................. 2-26 ac coupling setting............................................................... 2-6 accumulation ........................................................................ 6-5 acquisition mode................................................................... 5-2 action .................................................................................. 14-1 a delay b trigger................................................................... 4-9 all channels, configuring ..................................................... 2-43 all sub channels, setting ..................................................... 2-18 and trigger ......................................................................... 4-12 angle cursors ........................................................................ 9-6 area, calculation of ........................................................... app-1 automated measurement of waveform parameters ............ 10-1 auto naming ........................................................................ 18-2 auto scroll ............................................................................. 8-3 auto setup ........................................................................... 20-1 averaging (computation) ...................................................... 11-7 averaging mode .................................................................... 5-3 ax + b linear scaling setting ............................................... 2-13 b page background color ................................................................ 20-8 balancing ............................................................................ 2-22 bandwidth ............................................................................. 2-8 basic arithmetic.................................................................... 11-2 bias ..................................................................................... 2-26 binary .................................................................................. 20-8 binary conversion ................................................................ 11-2 bit data display order .......................................................... 20-8 bit mapping ......................................................................... 2-36 bit rate (can)...................................................................... 2-38 box average mode ................................................................ 5-2 bridge voltage ..................................................................... 2-22 burnout ............................................................................... 2-20 c page calibration ........................................................................... 20-2 can bus signal monitoring ................................................. 2-38 captured-waveform display number ..................................... 5-8 chattering ............................................................................ 2-34 clear trace ........................................................................... 20-2 click sound .......................................................................... 20-9 coherence function ........................................................... app-9 combine display .................................................................... 7-2 comment ............................................................................. 18-3 communication interfaces, types of .................................... 20-3 computation ......................................................................... 11-1 constants ............................................................................. 11-6 copy .................................................................................... 2-43 cross spectrum ................................................................. app-9 current-to-voltage conversion ratio ....................................... 2-7 cursor measurement............................................................. 9-1 cursor types (fft waveforms) .............................................. 9-9 cursor types (t-y waveforms) ............................................... 9-1 cursor types (x-y waveforms) .............................................. 9-7 cycle averaging.................................................................... 11-8 cycle frequency................................................................... 4-16 cyclic statistical processing................................................. 10-8 d page data, loading ....................................................................... 18-7 data, saving ........................................................................ 18-2 data frames, reading........................................................... 2-38 data type ............................................................................. 18-3 data type (can) .................................................................. 2-40 date and time settings ........................................................ 20-5 dc coupling setting .............................................................. 2-6 deceleration ........................................................................ 2-32 default settings ................................................................... 20-1 definition file (can)............................................................. 2-41 delay between channels ..................................................... 10-4 differentiation .................................................................... app-5 digital filter ........................................................................ app-3 display, configuring ............................................................. 20-8 display color.......................................................................... 6-3 display format ....................................................................... 6-2 display group ........................................................................ 6-3 display mode (history) ........................................................ 16-2 display pattern ...................................................................... 6-1 distal ................................................................................... 10-5 distance .............................................................................. 2-31 dot display ............................................................................ 3-2 dual capture .......................................................................... 5-7 duty ratio ............................................................................. 2-29 e page edge on a trigger ............................................................... 4-10 edge search ........................................................................ 15-2 electromagnetic pickup ....................................................... 2-33 enhanced .............................................................................. 4-8 envelope mode ..................................................................... 5-2 environment settings .......................................................... 20-8 ethernet communication ..................................................... 19-1 event display......................................................................... 5-9 event search ....................................................................... 15-4 expression ........................................................................... 11-4 external clock........................................................................ 3-1 extra window......................................................................... 6-2 f page fft ..................................................................................... 12-1 fft function ..................................................................... app-7 fft points, number of ........................................................ 12-1 fft settings ......................................................................... 11-9 file division ............................................................................ 5-4 file list.................................................................................. 18-8 file name ............................................................................. 18-2 file operations ..................................................................... 18-8 file protection ...................................................................... 18-8 files, copying ....................................................................... 18-8 filter settings ........................................................................ 11-9 font size .............................................................................. 20-8 force window................................................................... app-10 format (dual capture) ............................................................ 5-9 frequency measurement ..................................................... 2-28 frequency module measurement principle...................... app-19 free datasheet http://
index-2 im dl850-01en index ftp server .......................................................................... 19-3 full-screen waveform display ................................................ 6-6 functions .............................................................................. 11-5 fv setting ........................................................................... 2-28 g page gain ..................................................................................... 2-27 gauge factor........................................................................ 2-22 gnd coupling setting............................................................ 2-6 go/no-go ......................................................................... 13-1 grid........................................................................................ 6-2 h page hard disk recording ............................................................... 5-4 hard disk test ...................................................................... 20-9 hexadecimal ....................................................................... 20-8 hilbert function.................................................................. app-4 history ................................................................................. 16-1 history waveforms, list of .................................................... 16-3 history waveforms, statistical processing of ..................... 10-10 history waveform search..................................................... 16-4 horizontal and vertical cursors (t-y waveforms) .................. 9-4 horizontal and vertical cursors (x-y waveforms) .................. 9-8 horizontal axis....................................................................... 3-1 horizontal cursors (t-y waveforms) ...................................... 9-1 horizontal cursors (x-y waveforms) ..................................... 9-7 horizontal scale................................................................... 12-3 hysteresis ........................................................................... 2-34 i page input coupling ....................................................................... 2-6 input coupling (16-ch module) ........................................... 2-16 instant start ........................................................................... 4-1 integration ......................................................................... app-5 intensity .............................................................................. 20-9 internal clock......................................................................... 3-1 interpolation method (t-y waveforms) .................................. 6-4 interpolation method (x-y window) ....................................... 7-2 inverted waveform display .................................................. 2-12 irig .................................................................................... 20-6 j page judgment conditions................................................... 13-2, 13-4 k page key lock.................................................................... 20-9, 20-10 l page labels .................................................................................... 2-2 language ............................................................................. 20-6 lcd, adjusting .................................................................... 20-6 level indicator........................................................................ 6-4 linear scaling....................................................................... 2-13 listen only (can)................................................................. 2-38 logic display format ............................................................. 20-8 logic measurement ............................................................. 2-36 logic pattern search ............................................................ 15-4 m page mag knob............................................................................. 8-2 mail ..................................................................................... 19-5 main window, display ratio of ................................................ 8-2 manual event ........................................................................ 6-6 manual trigger....................................................................... 4-2 marker cursors (fft waveforms) ......................................... 9-9 marker cursors (t-y waveforms) .......................................... 9-4 marker cursors (x-y waveforms) .......................................... 9-8 measurement items ............................................................ 10-1 measurement resolution ....................................................... 2-4 memory test ........................................................................ 20-9 menu area display, switching ................................................ 6-6 mesial ................................................................................. 10-5 message format (can) ....................................................... 2-39 n page network drive ...................................................................... 19-6 network printer .................................................................... 19-6 numeric monitor .................................................................... 6-6 num lock ....................................................................... 20-10 o page off coupling setting ............................................................ 2-7 offset .................................................................................... 2-11 one-shot output................................................................... 2-41 operators .................................................................... 11-1, 11-5 or trigger ............................................................................ 4-11 over limit ............................................................................. 2-31 overview ........................................................................... 20-10 p page p1-p2 linear scaling setting ................................................ 2-13 peak computation ................................................................ 11-9 peak cursors ....................................................................... 9-10 pen marker ........................................................................... 7-1 period.................................................................................. 2-29 period trigger ...................................................................... 4-13 phase function .................................................................. app-4 phase shift ........................................................................... 11-3 port numbers .................................................................. app-26 power on, action performed at ............................................ 20-8 power spectrum ....................................................... 11-3, app-8 power supply frequency...................................................... 2-29 printer test........................................................................... 20-9 probe attenuation.................................................................. 2-7 proximal .............................................................................. 10-5 pull up ................................................................................. 2-35 pulse averaging .................................................................. 2-32 pulse integration ................................................................. 2-29 pulse width.......................................................................... 2-29 pulse width computation ................................................... app-7 pulse width trigger ............................................................. 4-14 r page read order ........................................................................... 20-8 recall ................................................................................... 20-2 record length......................................................................... 5-1 reference cycles ................................................................. 4-16 reference junction compensation........................................ 2-20 remote control..................................................................... 20-3 resynchronization jump width ............................................. 2-38 rms measurement............................................................. 2-15 roll mode display................................................................... 3-3 s page sample point (can) ............................................................ 2-38 sample rate ........................................................................... 3-3 samples, number of (can) ................................................. 2-38 sampling, timing.................................................................... 3-1 scale knob ......................................................................... 2-3 scale value............................................................................ 6-3 scaling mode ....................................................................... 11-4 screen captures, printing .................................................... 17-1 free datasheet http://
index-3 im dl850-01en index screen captures, saving...................................................... 17-2 search ................................................................................. 15-1 self-test ............................................................................... 20-9 sensitivity ............................................................................ 2-27 sensor, setting .................................................................... 2-22 settings, initializing.............................................................. 20-1 setup data, loading ............................................................. 18-7 setup data, saving .............................................................. 18-6 setup data, storing and recalling......................................... 20-2 shunt calibration .................................................... 2-24, app-13 simple trigger ........................................................................ 4-3 smoothing ........................................................................... 2-31 snapshot ............................................................................. 20-2 sntp .................................................................................. 19-7 spectrum type ..................................................................... 12-3 start/stop ..................................................................... 5-10 start point ............................................................................ 12-1 statistical processing .......................................................... 10-7 stop prediction .................................................................... 2-32 storage media ..................................................................... 18-1 storage media, formatting ................................................... 20-6 store.................................................................................... 20-2 strain, fundamental equations for defining...................... app-12 strain balancing .................................................................. 2-22 strain measurement ............................................................ 2-21 sync channel....................................................................... 4-16 system configuration........................................................... 20-5 t page t-y waveform display window .............................................. 6-1 tc coupling setting ............................................................... 2-6 tcp/ip ................................................................................ 19-2 tcp and udp port numbers ........................................... app-26 temperature measurement ................................................. 2-19 temperature unit ................................................................. 2-20 terminal setup ..................................................................... 20-8 terminator (can) ................................................................ 2-39 thermocouple type .............................................................. 2-19 time axis setting .................................................................... 3-1 time base .............................................................................. 5-5 time reference point .............................................................. 4-6 time search ......................................................................... 15-5 time synchronization feature............................................... 20-6 time unit .............................................................................. 2-31 trace label ............................................................................. 6-3 trademarks................................................................................. i transfer function ................................................................ app-9 trigger delay .......................................................................... 4-7 trigger hold-off ...................................................................... 4-5 trigger hysteresis .................................................................. 4-5 trigger level ........................................................................... 4-4 trigger mode ......................................................................... 4-1 trigger position ...................................................................... 4-6 trigger slope .......................................................................... 4-4 trigger source........................................................................ 4-3 trigger types .......................................................................... 4-2 u page usb communication ........................................................... 20-7 usb keyboard language..................................................... 20-6 user-defined computation .................................................... 11-4 v page variables .............................................................................. 11-4 velocity................................................................................ 2-30 version update .................................................................... 20-9 vertical axis ........................................................................... 2-1 vertical cursors (t-y waveforms) .......................................... 9-2 vertical cursors (x-y waveforms) .......................................... 9-7 vertical position ..................................................................... 2-5 vertical position knob ....................................................... 2-5 vertical scale ................................................................ 2-3, 12-2 voltage measurement ........................................................... 2-2 voltage measurement (16-ch module) .............................. 2-16 voltage scale......................................................................... 2-3 w page waveform acquisition ............................................................ 5-1 waveform area .................................................................. app-1 waveform arrangement......................................................... 6-3 waveform data, loading ...................................................... 18-7 waveform data, saving........................................................ 18-2 waveform display .................................................................. 2-2 waveform display (16-ch module) ..................................... 2-16 waveform display data point removal (t-y waveforms) ........ 6-5 waveform display data point removal (x-y waveforms) ....... 7-2 waveform parameters (go/no-go) ................................... 13-4 waveform parameter search ............................................... 16-5 waveforms, searching......................................................... 15-1 waveforms, zooming............................................................. 8-1 waveform zone (go/no-go) ............................................. 13-1 wave window trigger ......................................................... 4-15 web server .......................................................................... 19-4 window function .................................................................. 12-2 window layout (dual capture) ................................................ 5-9 window layout (fft window) .............................................. 12-3 window layout (x-y window) ................................................. 7-2 window layout (zoom window) .............................................. 8-2 window types ........................................................................ 6-1 x page x-y window ........................................................................... 7-1 z page zero cross ........................................................................... 2-33 zone search ........................................................................ 16-4 zoom factor ........................................................................... 8-2 zoom link .............................................................................. 8-2 zoom method (vertical) ......................................................... 2-9 zoom position knob .......................................................... 8-2 zoom window ........................................................................ 8-1 free datasheet http://
