Agilent Technologies 34937A, 34939A manual Contents

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Contents

General Purpose Switch Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Operating Considerations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Electrical Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Temperature Sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Switching Reactive Loads. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Hardware Power-Fail Jumper. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

34937A, 34938A and 34939A SCPI Programming Examples . . . . . . . . . . . . . . . . . . . . . . . . .4 Opening and Closing Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Reading Jumper State and System Identity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Reading Cycle Count and Resetting Modules to Power-On State . . . . . . . . . . . . . . . . .5

34937A 32-Channel GP Switch Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

34937A Simplified Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

34937A D-Sub Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

34937T Terminal Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

34938A 20-ChannelHigh-Current GP Switch Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

34938A Simplified Schematic. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

34938A D-Sub Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

34938T Terminal Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

34939A 64-ChannelHigh-DensityForm-A GP Switch Module . . . . . . . . . . . . . . . . . . . . . .12

34939A Simplified Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

34939A D-Sub Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

34939T Terminal Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

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

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Contents Agilent 34937A-34939A General Purpose Switch Modules 34980-90037 Agilent Technologies, IncUnited 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 Switching Reactive Loads Temperature SensorHardware Power-Fail Jumper Operating ConsiderationsOpen Power Down StateReading Jumper State and System Identity 34937A, 34938A and 34939A Scpi Programming ExamplesOpening and Closing Channels Command resets a module in slot 4 to its power- on state Reading Cycle Count and Resetting Modules to Power-On State34937A Simplified Schematic 34937A 32-Channel GP Switch Module34937A D-Sub Connectors 34937T Terminal Block Wire Size AWG Typical AWG Max34938A Simplified Schematic 34938A 20-Channel High-Current GP Switch Module34938A D-Sub Connectors 34938T Terminal Block 34939A Simplified Schematic 34939A 64-Channel High-Density Form-A GP Switch Module34939A D-Sub Connectors Pin D-Sub Male Connector33 no 40 no 47 no 54 no 61 no 34 no 41 no 48 no 55 no 62 no34939T Terminal Block 34939A 64-Channel High-Density Form-A GP Switch Module Jumper Temperature sensorIndex
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