Agilent Technologies 34937A, 34939A manual Additional Safety Notices, Frame or chassis terminal

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Additional Safety Notices

The following general safety precautions must be observed during all phases of oper- ation of this instrument. Failure to comply with these precautions or with specific warnings or instructions elsewhere in this manual violates safety standards of design, manufacture, and intended use of the instrument. Agilent Technologies assumes no liability of the customer’s failure to com- ply with the requirements.

General

Do not use this products in any manner not specified by the manufacturer. The protec- tive features of this product may be impaired if it is used in a manner not speci- fied in the operation instructions.

Before Applying Power

Verify that all safety precautions are taken. Make all connections to the unit before applying power.

Ground the Instrument

This product is provided with protective earth terminals. To minimize shock hazard, the instrument must be connected to the ac power mains through a grounded power cable, with the ground wire firmly con- nected to an electrical ground (safety ground) at the power outlet. Any interrup- tion of the protective (grounding) conduc- tor or disconnection of the protective earth terminal will cause a potential shock haz- ard that could result in personal injury.

Do Not Modify the Instrument

Do not install substitute parts or perform any unauthorized modification to the prod- uct. Return the product to an Agilent Sales and Service Office for service and repair to ensure that safety features are maintained.

In Case of Damage

Instruments that appear damaged or defec- tive should be made inoperative and secured against unintended operation until they can be repaired by qualified service personnel.

Safety Symbols

Alternating current

Frame or chassis terminal

Standby supply. Unit is not completely disconnected from ac mains when switch is off

Caution, risk of electric shock

Caution, refer to accompanying description

Waste Electrical and Electronic Equipment (WEEE) Directive 2002/96/EC

This product complies with the WEEE Directive (2002/96/EC) marking require- ment. The affixed product label (see above) indicates that you must not discard this

electrical/electronic product in domestic household waste.

Product Category: With reference to the equipment types in the WEEE directive Annex 1, this product is classified as a “Monitoring and Control instrumentation” product.

To return unwanted products, contact your local Agilent office, or go to www.agilent.com/environment/product for more information.

Technical Support

If you have questions about your shipment, or if you need information about warranty, service, or technical support, contact Agilent Technologies:

In the United States: (800) 829-4444

In Europe: 31 20 547 2111

In Japan: 0120-421-345

Do Not Operate in an Explosive Atmosphere

Do not operate the instrument in the pres- ence of flammable gases or fumes.

Do Not Remove the Instrument Cover

Only qualified, service-trained personal who are aware of the hazards involved should remove instrument covers. Always disconnect the power cable and any exter- nal circuits before removing the instrument cover.

Or go to www.agilent.com/find/assist for information on contacting Agilent in your country of specific location. You can also contact your Agilent Technologies Representative.

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, IncAdditional Safety Notices Frame or chassis terminalUnited States 800 Europe 31 20 547 Japan Declaration of Conformity DoC for the 34980A mainframe Contents Page General Purpose Switch Modules Operating Considerations Temperature SensorSwitching Reactive Loads Hardware Power-Fail JumperOpen Power Down State34937A, 34938A and 34939A Scpi Programming Examples Opening and Closing ChannelsReading Jumper State and System Identity 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 34 no 41 no 48 no 55 no 62 no Male ConnectorPin D-Sub 33 no 40 no 47 no 54 no 61 no34939T Terminal Block 34939A 64-Channel High-Density Form-A GP Switch Module Jumper Temperature sensorIndex