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H
Panel Mount Optical Encoders Technical Data
HEDS-5700 Series
Features
* Two Channel Quadrature Output with Optional Index Pulse * Available with or without Static Drag for Manual or Mechanized Operation * High Resolution - Up to 512 CPR * Long Rotational Life, >1 Million Revolutions * -20 to 85C Operating Temperature Range * TTL Quadrature Output * Single 5 V Supply * Available with Color Coded Leads
Description
The HEDS-5700 series is a family of low cost, high performance, optical incremental encoders with mounted shafts and bushings. The HEDS-5700 is available with tactile feedback for hand operated panel mount applications, or with a free spinning shaft for applications requiring a pre-assembled encoder for position sensing. The encoder contains a collimated LED light source and special detector circuit which allows for high resolution, excellent encoding performance, long rotational
life, and increased reliability. The unit outputs two digital waveforms which are 90 degrees out of phase to provide position and direction information. The HEDS-5740 Series provides a third Index Channel.
Package Dimensions
THREAD 3/8-32 NUT 3/8-32 x 7/16"
OPTIONAL WIRING COLOR CODE TABLE COLOR WHITE BROWN RED BLACK BLUE (THREE CHANNEL) OUTPUT A B VCC GND I
*
*Note: For the HEDS-5700, Pin #2 is a No Connect. For the HEDS-5740, Pin #2 is Channel I, the index output.
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5965-5871E
The HEDS-5700 is quickly and easily mounted to a front panel using the threaded bushing, or it can be directly coupled to a motor shaft (or gear train) for position sensing applications.
applications requiring digital information from a manually operated knob. Typical front panel applications include instruments, CAD/CAM systems, and audio/video control boards. The HEDS-5700 without static drag (free spinning) is best suited for low speed, mechanized
operations. Typical applications are copiers, X-Y tables, and assembly line equipment.
Applications
The HEDS-5700 with the static drag option is best suited for
Absolute Maximum Ratings
Parameter Storage Temperature Operating Temperature Vibration Supply Voltage Output Voltage Output Current per Channel Shaft Load - Axial - Radial Symbol Ts Ta VCC VO IO Min. -40 -20 -0.5 -0.5 -1 Max. +85 +85 20 7 VCC 5 1 1 Units C C g V V mA lb lb Notes
20 Hz - 2 kHz
Recommended Operating Conditions
Parameter Temperature Supply Voltage Rotational Speed - Drag - Free Spinning Symbol T VCC Min. -20 4.5 Max. +85 5.5 300 2000 Units C V RPM RPM Notes Noncondensing Atmosphere Ripple <100 mVp-p
Electrical Characteristics Over Recommended Operating Range, Typical at 25C
Parameter Supply Current High Level Output Voltage Low Level Output Voltage Symbol ICC VOH VOL 2.4 0.4 Min. Typ. 17 57 Max. 40 85 V V Units mA Notes Two Channel Three Channel IOH = -40 A Max. IOL = 3.2 mA
Note: If more source current is required, use a 3.2 K pullup resistor on each output.
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MOTION SENSING AND CONTROL
Mechanical Characteristics
Parameter Starting Torque - Static Drag - Free Spinning Dynamic Drag - Static Drag - Free Spinning Rotational Life - Static Drag - Free Spinning Mounting Torque of Nut Min. Typ. 0.47 0.14 1.1 0.70 1 x 106 12 x 106 13 Max. Units oz in oz in oz in oz in Revolutions Revolutions lb in Notes
100 RPM 2000 RPM 1 lb Load 4 oz Radial Load
Output Waveforms
CH A
360 5.5
180 45
S1
S2
S3
S4
90 45 TYPICAL
CH B
90 45
CH I
NOTE: ALL VALUES ARE IN ELECTRICAL DEGREES, WHERE 360 e = 1 CYCLE OF RESOLUTION. ERRORS ARE WORST CASE OVER ONE REVOLUTION. CH B LEADS CH A FOR COUNTERCLOCKWISE ROTATION. CH A LEADS CH B FOR CLOCKWISE ROTATION.
Ordering Information
HEDS-57 Outputs 0 - 2 Channel 4 - 3 Channel Mechanical Configuration 0 - Pins 1 - 6" Coded Leads Resolutions (Cycles Per Revolution) HEDS-570X 2 Channel K - 96 CPR G - 360 CPR C - 100 CPR H - 400 CPR D - 192 CPR A - 500 CPR E - 200 CPR I - 512 CPR F - 256 CPR HEDS-574X Three Channel* F - 256 CPR A - 500 CPR G - 360 CPR I - 512 CPR
*Please contact factory for other resolutions.
Drag Option 0 - Free Spining 1 - Static Drag
Shaft Configuration 0 - 1/4" dia. with no flat 1 - 6 mm dia. with no flat 2 - 1/4" dia. with flat
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