Agilent Technologies 34937A General Purpose Switch Module Overview

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34937A 32-Channel GP Switch Module

34937T Terminal Block

This terminal block with screw- type connections is labeled with the model number and the abbreviated module name. In addition, space is available on the label for you to write the slot number.

The 34980A Product Reference CD (shipped with the instrument) contains a 34937T Wiring Log for you to document your wiring configuration for this module. You can open the wiring log file in Microsoft® Excel® or Adobe® Acrobat® format.

Wire Size:

20 AWG Typical

18 AWG Max

Pads for user-supplied snubber circuity to alleviate reactive transients. The circuits may consist of resistors, capacitors, varistors, or other elements as needed to reduce the switching voltage and current transients inherent in reactive circuits.

8	Agilent 34937A-34939A General Purpose Switch Modules User’s Guide

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Contents Agilent 34937A-34939A General Purpose Switch Modules Agilent Technologies, Inc 34980-90037United States 800 Europe 31 20 547 Japan Additional Safety NoticesFrame or chassis terminal Declaration of Conformity DoC for the 34980A mainframe Contents Page General Purpose Switch Modules Hardware Power-Fail Jumper Temperature SensorSwitching Reactive Loads Operating ConsiderationsPower Down State OpenReading Jumper State and System Identity 34937A, 34938A and 34939A Scpi Programming ExamplesOpening and Closing Channels Reading Cycle Count and Resetting Modules to Power-On State Command resets a module in slot 4 to its power- on state34937A 32-Channel GP Switch Module 34937A Simplified Schematic34937A D-Sub Connectors Wire Size AWG Typical AWG Max 34937T Terminal Block34938A 20-Channel High-Current GP Switch Module 34938A Simplified Schematic34938A D-Sub Connectors 34938T Terminal Block 34939A 64-Channel High-Density Form-A GP Switch Module 34939A Simplified Schematic34939A D-Sub Connectors 33 no 40 no 47 no 54 no 61 no Male ConnectorPin D-Sub 34 no 41 no 48 no 55 no 62 no34939T Terminal Block 34939A 64-Channel High-Density Form-A GP Switch Module Temperature sensor JumperIndex