3b series 8 channel backplane 3B02 rev. 0 information furnished by analog devices is believed to be accurate and reliable. however, no responsibility is assumed by analog devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. specifications subject to change without notice. no license is granted by implication or otherwise under any patent or patent ri ghts of analog devices. trademarks and registered trademarks are the proper ty of their respective companies. one technology way, p.o. box 9106, norwood, ma 02062-9106, u.s.a. tel: 781.329.4700 www.analog.com fax: 781.326.8703 ? 2005 analog devices, inc. all rights reserved. features mix and match 3b series i/o module capability factory mutual (fm) approved ce certified + 1500 v peak channel/channel and input/output isolation -25 o c to +85 o c temperature range leds indicate when power is applied replaceable ac line fuse in protective housing versatile mounting options applications industrial signal conditioning industrial signal isolation industrial signal filtering product overview to address diverse applications, the 3b subsystem series includes a family of backplanes which provide a complete signal conditioning solution. the 3B02 is designed for 8 channels to offer users the flexibility to match the size of a system to specific applications. all backplanes are provided with #6-32 x 1-inch screws and standoffs for mounting. several mounting options are available, including rack, surface and nema enclosure. all 3b series modules feature a universal pin out and can be easily tailored to fit the users application. each backplane can accommodate any 3b series module in a mix and match arrangement. modules are hot swappable; power does not have to be removed when inserting or removing any module on the backplane. all backplanes provide a four screw terminal for each individual channels input field connections. these connections satisfy all transducer inputs and provide transducer excitation when necessary. functional block diagram figure 1 3B02 functional block diagram a cold junction temperature sensor is also supplied on each channel to accommodate thermocouple input modules. each channel has two screw terminals for the output connections for the 4-20 ma output signals. two 26-pin system connectors provide high level voltage i/o for all channels. figure 1 illustrates the 3b series backplane functional block diagram. in addition, complete specifications are shown in the table below.
3B02 rev. 0 | page 2 of 6 general description the 3B02 series backplane provides the user with eight channels, any of which may be used with any of the 3b series of modules offered by adi. this backplane have been designed to operate in a wide temperature range, from -25 o c up to +85 o c the 3B02 series backplane has been evaluated by both factory mutual and also by csa. the 3B02 has passed all agency testing and is listed by both organizations. in addition the 3B02 series back plane is also ce certified. the 3B02 backplane has several mounting options: o surface mount C stand alone or using surface mount kit, model ac1332 o 19-inch rack mount kit model ac1330 figure 2
3B02 rev. 0 | page 3 of 6 3B02 specifications (typical @ +25c and 15 v dc, and +24 v dc power) description model 3B02 number of channels 8 isolation input-to-output continuous channel-to-channel continuous 1500 v rms, maximum 1500 v rms, maximum mechanical dimensions ? with modules 11.0? x 5.2? x 4.373? (279.4 mm x 132.08 mm x 111.07 mm) mounting standoffs 5 cold junction temperature sensors number provided on backplane initial accuracy @ +25 o c accuracy +5 o c to +45 o c 8 + 0.5 o c + 0.5 o c (+0.0125 o c/ o c) system i/o connector number type 2, 26-pin amp 746290-6 power supply options voltage; ac power supply voltage; dc power supply voltage; external supplies fuse; ac power supply 115 vac +25 vac + 15 vdc and +24 vdc 220 vac @ 500 ma power indicator led?s indicate + 15 vdc and + 24 vdc power applied environmental temperature range rated performance -25c to +85c operating -25c to +85c storage -40c to +85c relative humidity, 24 hours 0 to 95% @ +60c noncondensing
3B02 rev. 0 | page 4 of 6 outline dimensions figure 3 outline dimensions
3B02 rev. 0 | page 5 of 6 notes
3B02 rev. 0 | page 6 of 6 notes ? 2005 analog devices, inc. all rights reserved. trademarks and registered trademarks are the proper ty of their respective companies. d05408-0-2/05(0)
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