background image

Agilent Technologies

Agilent 34937A-34939A

General Purpose

Switch Modules

User’s Guide

Agilent Technologies, Inc.

Printed in Malaysia

Edition 2

September 2012 E0912

*34980-90037* 

34980-90037

Summary of Contents for 34937A

Page 1: ...Agilent Technologies Agilent 34937A 34939A General Purpose Switch Modules User s Guide Agilent Technologies Inc Printed in Malaysia Edition 2 September 2012 E0912 34980 90037 34980 90037 ...

Page 2: ...rmation contained herein Should Agilent and the user have a separate written agreement with warranty terms covering the material in this document that conflict with these terms the warranty terms in the sep arate agreement shall control Technology Licenses The hardware and or software described in this document are furnished under a license and may be used or copied only in accordance with the ter...

Page 3: ...s before removing the instrument cover 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 unint...

Page 4: ... the Internet There are two methods to obtain the Declaration of Conformity Go to http regulations corporate agilent com DoC search htm You can then search by product number to find the latest Declaration of Conformity Alternately you can go to the product web page www agilent com find 34980A click on the Document Library tab then scroll down until you find the Declaration of Conformity link ...

Page 5: ...osing 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 Channel High Current GP Switch Module 9 34938A Simplified Schematic 9 34938A D Sub Connectors 10 34938T Terminal Block 11 34939A 64 Channel High Densit...

Page 6: ...vi Agilent 34937A 34939A General Purpose Switch Modules User s Guide ...

Page 7: ...er switching applications offers 20 Form A relays each rated for 5 A at 150 W per channel The 34939A provides independent control of 64 Form A relays each rated for 1 A at 60 W per channel All three modules utilize armature latching relays You can use these general purpose switches in your 34980A mainframe for device actuation digital output signal routing or combined with other switch modules to ...

Page 8: ... switching operations The general purpose modules are designed for switching reactive loads The optional 34937T and 34938T terminal blocks have solder pads for adding snubber circuits for the 5 A relays to reduce the reactive transients See the drawings on page 8 and page 11 for the locations of snubber circuit pads and installation information about a snubber circuit Hardware Power Fail Jumper A ...

Page 9: ...lays maintain their present state when power fails After a five to ten second delay remove the sheet metal cover from the module and move the position of the jumper mounted on the module See the figure below for the jumper s location on the module WARNING Before changing the position of the jumper remove external connections from the module Wait five to ten seconds to allow the module s internal c...

Page 10: ...e last command opens both channel 3 and channel 5 ROUTe CLOSe 2003 ROUTe CLOSe 2005 ROUTe OPEN 2003 2005 Example Querying channels for open or closed state The following command returns a 1 true or 0 false state of channel 016 for a module in slot 3 ROUTe CLOSe 3016 ROUTe CLOSe 3016 Returns a 1 ROUTe OPEN 3016 Returns a 0 Reading Jumper State and System Identity Example Querying the power failure ...

Page 11: ...mmand returns the relay cycle count on channel 7 and channel 16 for a module in slot 1 DIAGnostic RELay CYCLes 1007 1016 Example Clearing the cycle count for a relay all switch modules The following command resets the relay cycle count on channels 7 and 16 for a module in slot 1 DIAGnostic RELay CYCLes CLEar 1007 1016 Example Resetting Module s to power on state all modules The following command r...

Page 12: ...PST latching relays rated at 5 A You can set the power failure state for these 5 A relays see Hardware Power Fail Jumper on page 2 34937A Simplified Schematic NOTE A temperature sensor on these modules triggers system interrupts when high carry current induced heat on the modules reaches a threshold of 70 oC See description of the HOT annunciator on page 2 Channel 001 1A Form C COM NO NC Channel 0...

Page 13: ...8 NO 6 11 NO 35 14 NO 13 No Connect 17 3 NC 38 6 NC 49 9 NC 44 12 NC 39 29 NO 1 3 Common 21 6 Common 32 9 Common 27 12 Common 22 29 Common 2 3 NO 4 6 NO 50 9 NO 10 12 NO 5 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 NC 31NO 31C 21NO 17NO 26NO 22NO 18NO 15NO 27NO 23NO 19NO 16NO 28NO 24NO 32NO 32C 18C Re...

Page 14: ...mber 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 Pads for user supplied snubber circuity to alleviate reactive transients The circuits may consist of resistors capacitors varistors or other elements as needed to reduc...

Page 15: ... SPST relays for general purpose switching needs You can set the power failure state for these 5 A relays see Hardware Power Fail Jumper on page 2 34938A Simplified Schematic NOTE A temperature sensor on these modules triggers system interrupts when high carry current induced heat on the modules reaches a threshold of 70 oC See description of the HOT annunciator on page 2 COM Channel 020 5A Form A...

Page 16: ... 23 4NO 45 7NO 5 9NO 11 Reserved 18 2Common 24 4Common 46 7Common 6 9Common 12 GND 33 3NO 9 5NO 15 7NO 21 9NO 27 GND 34 3Common 10 5Common 16 7Common 22 9Common 28 No Connect 17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 NC 16NO 16C 11NO 11C 17NO 17C 12NO 12C 13NO 13C 19NO 19C 14NO 14C 15NO 15C 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 12C Reserved 11NO 11C 17NO 17C 12NO 13NO 13C 19NO 19C 14N...

Page 17: ...slot number The 34980A Product Reference CD shipped with the instrument contains a 34938T 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 Pads for user supplied snubber circuity to alleviate reactive transients The circuits may consist of resistors capacitors varistors or other elements as needed t...

Page 18: ...r 1 A Form A SPST relays for general purpose switching needs You can set the power failure state for these relays see Hardware Power Fail Jumper on page 2 34939A Simplified Schematic NOTE A temperature sensor on these modules triggers system interrupts when high carry current induced heat on the modules reaches a threshold of 70 oC See description of the HOT annunciator on page 2 COM Channel 064 1...

Page 19: ...D Sub Male Connector Channel Pin Description Pin Description Pin Description Pin Description Pin Description Pin 1 NO 62 8 NO 44 15 NO 30 22 NO 34 29 NO 58 No Connect 67 1 Common 61 8 Common 43 15 Common 29 22 Common 33 29 Common 57 No Connect 70 2 NO 64 9 NO 26 16 NO 10 23 NO 54 30 NO 20 No Connect 71 2 Common 63 9 Common 25 16 Common 9 23 Common 53 30 Common 19 No Connect 72 3 NO 22 10 NO 6 17 N...

Page 20: ...onnector Channel Pin Description Pin Description Pin Description Pin Description Pin Description Pin 33 NO 18 40 NO 34 47 NO 50 54 NO 28 61 NO 4 No Connect 67 33 Common 17 40 Common 33 47 Common 49 54 Common 27 61 Common 3 No Connect 70 34 NO 38 41 NO 54 48 NO 12 55 NO 8 62 NO 44 No Connect 71 34 Common 37 41 Common 53 48 Common 11 55 Common 7 62 Common 43 No Connect 72 35 NO 58 42 NO 16 49 NO 32 ...

Page 21: ...wiring configuration for this module You can open the wiring log file in Microsoft Excel or Adobe Acrobat format 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 C NO C NO C NO C NO C NO C NO C NO C NO C NO C NO C NO C NO C NO C NO C NO C NO C NO C NO C NO C NO C NO...

Page 22: ...16 Agilent 34937A 34939A General Purpose Switch Modules User s Guide 34939A 64 Channel High Density Form A GP Switch Module ...

Page 23: ...nnector pinouts 10 description 1 9 simplified schematic 9 snubber circuitry 11 terminal block 11 wiring log 11 34939A connector pinouts 13 description 1 12 simplified schematic 12 terminal block 15 wiring log 15 C connector pinouts 34937A 7 34938A 10 34939A 13 D D sub pinouts 34937A 7 34938A 10 34939A 13 J jumper 2 P pinouts 34937A 7 34938A 10 34939A 13 power fail jumper 2 programming examples 4 T...

Page 24: ...18 Agilent 34937A 34939A General Purpose Switch Modules User s Guide Index ...

Reviews: