Keysight Technologies 34931A Operation & User’s Manual

Notices Copyright Notice © Keysight Technologies 2008-2019 No part of this manual may be reproduced in any form or by any means (including electronic storage and retrieval or translation into a foreign language) without prior agreement and written consent from Keysight Technologies as governed by United States and international copyright laws. Trademarks Microsoft® and Windows® are U.S. registered trademarks of Microsoft Corporation. Manual Part Number 34980-90031 Edition Edition 3, July 1, 2019 Printed in: Printed in Malaysia Published by: Keysight Technologies Bayan Lepas Free Industrial Zone, 11900 Penang, Malaysia 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 terms of such license. Declaration of Conformity Declarations of Conformity for this product and for other Keysight products may be downloaded from the Web. Go to http://www.keysight.com/ go/conformity. You can then search by product number to find the latest Declaration of Conformity. U.S. Government Rights The Software is “commercial computer software,” as defined by Federal Acquisition Regulation (“FAR”) 2.101. Pursuant to FAR 12.212 and 27.405-3 and Department of Defense FAR Supplement (“DFARS”) 227.7202, the U.S. government acquires commercial computer software under the same terms by which the software is customarily provided to the public. Accordingly, Keysight provides the Software to U.S. government customers under its standard commercial license, which is embodied in its End User License Agreement (EULA), a copy of which can be found at http://www.keysight.com/find/ sweula. The license set forth in the EULA represents the exclusive authority by which the U.S. government may use, modify, distribute, or disclose the Software. The EULA and the license set forth therein, does not require or permit, among other things, that Keysight: (1) Furnish technical information related to commercial computer software or commercial computer software documentation that is not customarily provided to the public; or (2) Relinquish to, or otherwise provide, the government rights in excess of these rights customarily provided to the public to use, modify, reproduce, release, perform, display, or disclose commercial computer software or commercial computer software documentation. No additional government requirements beyond those set forth in the EULA shall apply, except to the extent that those terms, rights, or licenses are explicitly required from all providers of commercial computer software pursuant to the FAR and the DFARS and are set forth specifically in writing elsewhere in the EULA. Keysight shall be under no obligation to update, revise or otherwise modify the Software. With respect to any technical data as defined by FAR 2.101, pursuant to FAR 12.211 and 27.404.2 and DFARS 227.7102, the U.S. government acquires no greater than Limited Rights as defined in FAR 27.401 or DFAR 227.7103-5 (c), as applicable in any technical data. Warranty THE MATERIAL CONTAINED IN THIS DOCUMENT IS PROVIDED “AS IS,” AND IS SUBJECT TO BEING CHANGED, WITHOUT NOTICE, IN FUTURE EDITIONS. FURTHER, TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, KEYSIGHT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, WITH REGARD TO THIS MANUAL AND ANY INFORMATION CONTAINED HEREIN, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. KEYSIGHT SHALL NOT BE LIABLE FOR ERRORS OR FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES IN CONNECTION WITH THE FURNISHING, USE, OR PERFORMANCE OF THIS DOCUMENT OR OF ANY INFORMATION CONTAINED HEREIN. SHOULD KEYSIGHT 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 SEPARATE AGREEMENT SHALL CONTROL. Safety Information CAUTION A CAUTION notice denotes a hazard. It calls attention to an operating procedure, practice, or the like that, if not correctly performed or adhered to, could result in damage to the product or loss of important data. Do not proceed beyond a CAUTION notice until the indicated conditions are fully understood and met. WARNING A WARNING notice denotes a hazard. It calls attention to an operating procedure, practice, or the like that, if not correctly performed or adhered to, could result in personal injury or death. Do not proceed beyond a WARNING notice until the indicated conditions are fully understood and met.

3 Safety Symbols The following symbols on the instrument and in the documentation indicate precautions which must be taken to maintain safe operation of the instrument. Alternating current (AC) Caution, risk of electric shock Frame or chassis (ground) terminal Caution, risk of danger (refer to this manual for specific Warning or Caution information) Standby supply. Unit is not completely disconnected from ac mains when switch is off

Additional Safety Notices The following general safety precautions must be observed during all phases of operation 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. Keysight Technologies assumes no liability of the customer’s failure to comply with the requirements. General Do not use this products in any manner not specified by the manufacturer. The protective features of this product may be impaired if it is used in a manner not specified 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 connected to an electrical ground (safety ground) at the power outlet. Any interruption of the protective (grounding) conductor or disconnection of the protective earth terminal will cause a potential shock hazard that could result in personal injury. Do Not Operate in an Explosive Atmosphere Do not operate the instrument in the presence of flammable gases or fumes.

5 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 external circuits before removing the instrument cover. Do Not Modify the Instrument Do not install substitute parts or perform any unauthorized modification to the product. Return the product to an Keysight Sales and Service Office for service and repair to ensure that safety features are maintained. In Case of Damage Instruments that appear damaged or defective should be made inoperative and secured against unintended operation until they can be repaired by qualified service personnel.

Waste Electrical and Electronic Equipment (WEEE) Directive 2002/ 96/EC This instrument complies with the WEEE Directive (2002/96/EC) marking requirement. This affixed product label indicates that you must not discard this electrical or electronic product in domestic household waste. Product category: With reference to the equipment types in the WEEE directive Annex 1, this instrument is classified as a “Monitoring and Control Instrument” product. The affixed product label is as shown below. Do not dispose in domestic household waste. To return this unwanted instrument, contact your nearest Keysight Service Center, or visit http://about.keysight.com/en/companyinfo/environment/takeback.shtml for more information. Sales and Technical Support To contact Keysight for sales and technical support, refer to the support links on the following Keysight websites: – www.keysight.com/find/34980a (product-specific information and support, software and documentation updates) – www.keysight.com/find/assist (worldwide contact information for repair and service) all-guides.co m

7 Table of Contents Safety Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Additional Safety Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Before Applying Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Ground the Instrument . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Do Not Operate in an Explosive Atmosphere . . . . . . . . . . . . . . . . . . .4 Do Not Remove the Instrument Cover . . . . . . . . . . . . . . . . . . . . . . . .5 Do Not Modify the Instrument . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 In Case of Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 Waste Electrical and Electronic Equipment (WEEE) Directive 2002/96/ EC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Product category: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Sales and Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Matrix Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 Operating Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 SCPI Programming Examples for the Matrix Modules . . . . . . . . . . . . . .11 Linking Multiple Matrix Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 34931A Dual 4x8 Armature Matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17 34931A Simplified Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18 34931A D-Sub Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19 34931T Terminal Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21 34932A Dual 4x16 Armature Matrix . . . . . . . . . . . . . . . . . . . . . . . . . . .23 34932A Simplified Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24 34932A D-Sub Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25 34932T Terminal Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27 34933A Dual/Quad 4x8 Reed Matrix . . . . . . . . . . . . . . . . . . . . . . . . . . .28 34933A Simplified Schematic for Two-Wire Mode . . . . . . . . . . . . .30 34933A D-Sub Connectors for Two-Wire Mode . . . . . . . . . . . . . . . .31 34933T-001 Terminal Block for Two-Wire Mode . . . . . . . . . . . . . . .33 34933A Simplified Schematic for One-Wire Mode . . . . . . . . . . . . .35

34933A D-Sub Connectors for One-Wire Mode . . . . . . . . . . . . . . . 36 34933T-002 Terminal Block for One-Wire Mode . . . . . . . . . . . . . . . 38

9 Matrix Modules This User’s Guide covers the following three plug-in modules for the Keysight 34980A Multifunction Switch/Measure Unit: The 34931A has two (dual) matrices of latching armature switches. Each matrix is organized in a 4-row by 8-column configuration. The 34932A has two (dual) matrices of latching armature switches. Each matrix is organized in a 4-row by 16-column configuration. The 34933A has non-latching reed switches, which you can configure for: – differential (2-wire) mode, which has two (dual) matrices. Each matrix is organized in a 4-row by 8-column configuration. – single-ended (1-wire) mode, which has four (quad) matrices. Each matrix is organized in a 4-row by 8-column configuration. These matrix switch modules offer a convenient way for you to connect multiple instruments to multiple points on your device under test. For a lower cost and better specification alternative, you can connect both matrix and multiplexer (MUX) modules. 34931A Dual 4x8 armature matrix 34932A Dual 4x16 armature matrix 34933A Dual/Quad 4x8 reed matrix

Operating Considerations Connection to Voltage Sources Although flexible, it is possible to connect more than one source at the same time with a matrix. Make sure that dangerous or unwanted conditions are not created by these connections. Electrical Considerations See the Introduction to the Plug In Modules chapter of the 34980A Mainframe User’s Guide for detailed environmental operating conditions for the 34980A mainframe and its installed modules. That guidance sets maximum per channel current and power ratings at rated voltage for pollution degree 1 (dry) and pollution degree 2 (possible condensation) conditions, for each of the matrix modules. NOTE Safety Interlock The Analog Buses of the 34980A are capable of carrying 300V signals. The matrix modules have a hardware Safety Interlock feature that automatically opens the Analog Bus relays when the associated interlock pins on the D-sub connectors (faceplate) lose continuity. This prevents signals on the Analog Buses from being present on the D-sub connector pins. Optional terminal blocks available from Keysight automatically provide continuity for these interlock pins. If cables are used, you must provide continuity for the interlock pins in your DUT assembly. See the pinout information later in this manual for the location of interlock pins on each module. The matrix modules have Analog Bus relays on Bank 2 only. Therefore, the interlock pins are present on only the Bank 2 D-sub connectors. Normally, if you attempt to connect to the Analog Buses without a terminal block or cable connected, an error is generated. The SYSTem:ABUS:INTerlock:SIMulate command allows you to temporarily disable errors generated by the Safety Interlock feature and enables the simulation mode. Although Safety Interlock errors are suppressed in this mode, the actual Analog Bus relays affected by the Safety Interlock are disabled as long as no terminal block or cable is connected to the module.

11 SCPI Programming Examples for the Matrix Modules The programming examples below provide you with SCPI command examples to use for actions specific to the matrix switch modules. The slot and channel addressing scheme used in these examples follow the general form sccc where s is the mainframe slot number (1 through 8) and ccc is the three-digit channel number. Channel numbers for the matrix modules are derived as follows: Two-wire mode: The channel numbers for the 34931A, 34932A, and the 34933A (2-wire mode) are derived from the crosspoint or intersection of rows and columns, columns having two digits. See the example below. One-wire mode: The channel numbers for the 34933A (in 1-wire mode) are derived from a specific matrix number and the crosspoint or intersection of rows and columns on that matrix. See the example below. For information on specific configurations, refer to the simplified schematics for the matrix modules on page 18, page 24, page 30 and page 35. Displayed Channel Means This... 5304 A 34931A, 34932A, 34933A (2-wire mode) matrix module is in slot 5, crosspoint is row 3, column 4. It might be easy to remember this channel configuration as “srcc” (slot, row, column, column) Displayed Channel Means This... 2437 A 34933A matrix module in 1-wire mode is in slot 2, matrix of interest is 4, crosspoint is row 3, column 7. It might be easy to remember this channel configuration as “smrc” (slot, matrix, row, column) all-guides.co m

For complete information on the SCPI commands used to program the 34980A, refer to the Keysight 34980A Programmer’s Reference which can be downloaded from www.keysight.com/find/34980A. Opening and Closing Channels Example: Closing and opening matrix channels (34931A, 34932A, and 34933A in two-wire mode) The following commands close and open channels 311 and 312 through 315 of a 34932A matrix module in 2-wire mode. This module is in slot 3. The channel number represents the matrix crosspoint of a row (one digit) and a column (two digits). For example, channel 311 represents crosspoint at row 3 and column 11 on a 34932A module. ROUTe:CLOSe (@3311,3312:3315) ROUTe:OPEN (@3311,3312:3315) Example: Closing and opening matrix channels (34933A in one-wire mode) The following commands close and open channels 311 and 312 through 315 of the 34933A module in 1-wire mode. The module is in slot 4. The channel number represents the matrix and the matrix crosspoint of a row (one digit) and a column (one digit). For example, channel 311 represents the crosspoint on matrix 3 at row 1, column 1 on a 34933A module in 1-wire mode. ROUTe:CLOSe (@3311,3312:3315) ROUTe:OPEN (@3311,3312:3315) Example: Closing and opening Analog Bus relays The following command connects the Analog Buses to Matrix 2 for a module (in 2-wire mode) in slot 3. ROUTe:CLOSe (@3921,3922,3923,3924) ROUTe:OPEN (@3921,3922,3923,3924) NOTE Although the previous two examples show the same channel numbers, the channels are derived differently as determined by a module’s configuration mode. See page 11 for channel number derivation. NOTE For matrix modules in 2-wire mode, only Matrix 2 connects to the the Analog Buses. For the 34933A in 1-wire mode, only Matrix 3 and Matrix 4 connect to the Analog Buses.

13 The Analog Bus relays (numbered s921, s922, s923, etc.) on the matrix modules are ignored if they are included in a range of channels. An error will be generated if an Analog Bus relay is specified as the first or last channel in a range of channels. For example, the following command closes all valid channels between channel 304 and channel 615 (slot 2). In addition, this command closes Analog Bus relay 911 on the module in slot 1 (Bank 1). Note that although the specified range of channels includes the other Analog Bus relays, they are ignored and are not closed by this command. ROUTe:CLOSe (@2304:2615,1911) Example: Querying channels for open or close state The following command returns a 1 (true) or 0 (false) state of channel 204 for a module in slot 3. ROUTe:CLOSe (@3204) ROUTe:CLOSe? (@3204) !Returns a 1 ROUTe:OPEN? (@3204) !Returns a 0 Configuring a Module Example: Configuring the 34933A module for 2-wire or 1-wire mode The following command configures a matrix module in slot 4 for 1-wire measurements. Because you can configure only the 34933A (and the 34923A and 34925A MUX modules) for either 2-wire or 1-wire mode, an error is generated if you send this command to a slot that does not contain one of those three modules. If you are using terminal blocks with the 34933A module, be sure to use the corresponding 2-wire or 1-wire terminal block. SYSTem:MODule:WIRE:MODE WIRE1,4 Example: Querying the system for module Identify The following command returns the identity of the module installed in slot 7. SYSTem:CTYPe? 7 NOTE When using a command to configure the system, the new configuration does not take effect until you cycle power on the 34980A.

Reading Cycle Count and Resetting Modules to Power-On State Example: Reading the cycle count for a relay The following command returns the cycle count on channels 304 and 308 for a matrix module in slot 3. DIAGnostic:RELay:CYCLes? (@3304,3308) Example: Resetting module(s) to power-on state The following command resets a module in slot 4 to its power-on state. SYSTem:CPON 4 NOTE For the 34933A matrix module, the query response may include a suffix to indicate a 1-wire configuration. For example, the response for the 34933A will be either "34933A" (differential mode) or "34933A-1W" (single-ended mode).

15 Linking Multiple Matrix Modules You can link multiple matrix modules to form a larger matrix. The drawings on page 16 show examples of two-module connections through rows and columns. Wiring Multiple 34931A or 34932A Modules With a 34931A you can combine two matrices to form 8x8 (connecting columns) or 4x16 (connecting rows) configurations. Using two 34932A matrices on a 34932A module, you can create 16x8 (connecting columns) or 4x32 (connecting rows) configurations. You can connect rows in separate modules using external wiring. Or, using Bank 2 matrices, you can connect through the mainframe Analog Buses. For a clear idea of how matrices are arranged and their connections to the Analog Buses, see the simplified schematics on page 18 (34931A) and page 24 (34932A). You must use external wiring whenever you connect: – Rows in Matrix 1 of separate modules – Rows in Matrix 1 to rows in Matrix 2 on the same or separate modules – Columns of two matrices on the same or separate modules You can expand upon these two-module configurations and add up to eight modules to design your own large matrices. From a programming standpoint, each matrix module operates as an independent module regardless of the external connections. When linking modules, the channel numbering scheme remains the same as for single modules. Wiring Multiple 34933A Modules You can connect matrices on the 34933A module in a similar fashion to the 34931A. However, the presence of in-rush resistors on the Analog Buses and columns require additional consideration, and you must take care when linking multiple 34933A matrix modules. See the simplified schematics on page 30 and page 35.

1 2 3 4 1 2 3 4 1 2 3 n* n - 1 1 2 3 n* n - 1 *n can be 8 or 16 8 or 16 Columns 8 Rows Module 1 Module 2 Increase number of rows by connecting through columns 1 2 3 4 1 2 3 4 1 2 3 n* n - 1 1 2 3 n* n - 1 Analog Buses 4 Rows *n can be 8 or 16 Module 1 Module 2 16 or 32 Columns Increase number of columns by connecting through rows all-guides.co m

17 34931A Dual 4x8 Armature Matrix The 34931A dual 4x8 armature matrix contains two matrices, each with 32 2-wire crosspoint latching armature relays organized in a 4-row by 8-column configuration. Every row and column are made up of two wires each, a high (H) and a low (L). Each crosspoint relay has a unique channel number representing the row and column that intersects to create the crosspoint. For example, channel 304 represent the crosspoint connection between row 3 and column 4 (all columns consisting of two digits; in this case the digits are 04). See the simplified schematic on page 18. You can connect any combination of inputs and outputs at the same time. However, only Matrix 2 in this module connects to the Analog Buses. By closing channels 921 and 922 you can connect rows 5 and 6 respectively to the internal DMM of the 34980A mainframe for voltage and resistance measurements. You can connect multiple matrix modules externally and/or through the Analog Buses for applications that require large matrices. For information on linking multiple matrices, refer to page 15 of this manual. When the power is off, matrix relays maintain state, and Analog Bus relays open. NOTE When the DMM is scanning, it controls ABus1 and ABus2 relays, which are on Matrix 2. Therefore, consider this behavior when you are connecting matrices.

34931A Simplified Schematic ABus1 DMM (MEAS) ABus2 DMM (SENS) ABus3 ABus4 922 923 924 921 H L H L H L H L H L H L H L H L L L L L H H H H H H H L L L L H H L L H H H H H H H H L L L L L L L L L L L L H H H Matrix 1 Matrix 2 Analog Buses Row 1 Row 2 Row 3 Row 4 Row 5 Row 6 Row 7 Row 8 Col 1 Col 2 Col 3 Col 4 Col 5 Col 6 Col 7 Col 8 Col 1 Col 2 Col 3 Col 4 Col 5 Col 6 Col 7 Col 8 NOTE: Matrix 1 and Matrix 2 are electrically separate from one another. NOTE: Matrix Relays: Armature latching Analog Bus Relays: Armature non-latching NOTE: Three-digit channel numbers are derived from the intersection of the rows and columns, columns having two digits. The intersection shown here represents Channel 304 (Row 3, Column 4)

19 34931A D-Sub Connectors Matrix 1 For orientation, the D-sub connector end of the module is facing you. Matrix 1 Matrix 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 NC C4H C4L NC NC R4H R4L C5H C5L NC NC NC NC C7H C7L NC NC 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 C2L NC NC NC NC NC C2H NC NC R2H R2L C8H C8L NC NC GND NC NC C3H C3L C1H C1L R3H R3L C6H C6L NC NC NC NC NC R1H R1L 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 NOTE: In this diagram and the table below, R represents “row,” and C represents “column.” 50-Pin D-Sub Male Connector Description Pin Description Pin Description Pin R1H 49 C2H 23 C7H 13 R1L 50 C2L 24 C7L 14 R2H 27 C3H 35 C8H 29 R2L 28 C3L 36 C8L 30 R3H 39 C4H 1 GND 33 R3L 40 C4L 2 No Connect pins: 3-4, 9-12, 15-22, 25-26, 31-32, 34, and 43-48. R4H 5 C5H 7 R4L 6 C5L 8 C1H 37 C6H 41 C1L 38 C6L 42

Matrix 2 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 NC NC C3H C3L C1H C1L R7H R7L C6H C6L NC NC NC NC NC R5H R5L 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Interlock C4H C4L NC NC R8H R8L C5H C5L NC NC NC NC C7H C7L NC NC 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 C2L NC NC NC NC NC C2H NC NC R6H R6L C8H C8L NC NC Interlock NOTE: In this diagram and the table below, R represents “row,” and C represents “column.” 50-Pin D-Sub Male Connector Description Pin Description Pin Description Pin R5H 49 C2H 23 C7H 13 R5L 50 C2L 24 C7L 14 R6H 27 C3H 35 C8H 29 R6L 28 C3L 36 C8L 30 R7H 39 C4H 1 Interlock 17 R7L 40 C4L 2 Interlock 33 R8H 5 C5H 7 No Connect pins: 3-4, 9-12, 15-16. 18-22, 25-26, 31-32, 34, 43-48 R8L 6 C5L 8 C1H 37 C6H 41 C1L 38 C6L 42 WARNING As a safety feature, interlock pins (17 and 33) must be shorted to enable the Analog Bus relays, which are on Matrix 2, to close. The optional 34931T terminal block shorts these pins for you. This feature protects inadvertent routing of high voltages from the Analog Buses to the D-sub connector of the module.

21 34931T 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. NOTE All modules that connect to the internal DMM are interlock protected. This means that when an installed module is exposed (no terminal block or cable is connected), the Analog Bus relays, which are on Matrix 2, are open and disconnected from the Analog Buses. See page 10 for further information. all-guides.co m

NOTE On the 34931T terminal block, only two sets of screw terminals are for use with the 34931A module. See the following drawing. When using the 34931T terminal block, be sure to wire your connections to the two sets of screw terminals closest to the 50-pin D-sub connectors. Although columns are numbered the same on Matrix 1 and Matrix 2, they are electrically separate from one another (e.g., Col C8). Wire Size: 20 AWG Typical 18 AWG Max

23 34932A Dual 4x16 Armature Matrix The 34932A dual 4x16 armature matrix contains two matrices, each with 64 2-wire crosspoint latching armature relays organized in a 4-row by 16-column configuration. Every row and column are made up of two wires each, a high (H) and a low (L). Each crosspoint relay has a unique channel number representing the row and column that intersect to create the crosspoint. For example, channel 315 represents the crosspoint connection between row 3 and column 15 (all columns consisting of two digits; in this case the digits are 15). See the simplified schematic on page 24. You can connect any combination of inputs and outputs at the same time. However, only Matrix 2 in this module connects to the Analog Buses. By closing channels 921 and 922 you can connect rows 5 and 6 respectively to the internal DMM of the 34980A mainframe for voltage and resistance measurements. You can connect multiple matrix modules externally and/or through the Analog Buses for applications that require large matrices. For information on linking multiple matrix modules, refer to page 15 of this manual. When the power is off, matrix relays maintain state, and Analog Bus relays open. NOTE When the DMM is scanning, it controls ABus1 and ABus2 relays, which are on Matrix 2. Therefore, consider this behavior when you are connecting matrices.

34932A Simplified Schematic ABus1 DMM (MEAS) ABus2 DMM (SENS) ABus3 ABus4 922 923 924 921 H L H L H L H L H L H L L L L L H H H H H H H L L L L H H H H H H L L L L L L L L L L H H H Col 1 Col 2 Col 3 Col 4 Col 15 Col 16 Col 1 Col 2 Col 3 Col 4 Col 15 Col 16 Row 1 Row 2 Row 3 Row 4 Row 5 Row 6 Row 7 Row 8 Matrix 1 Matrix 2 Analog Buses H H L L NOTE: Matrix 1 and Matrix 2 are electrically separate from one another. NOTE: Three-digit channel numbers are derived from the intersection of the rows and columns, columns having two digits. The intersection shown here represents Channel 315 (Row 3, Column 15). NOTE: Matrix Relays: Armature latching Analog Bus Relays: Armature non-latching

25 34932A D-Sub Connectors Matrix 1 For orientation, the D-sub connector end of the module is facing you. Matrix 1 Matrix 2 NOTE: In this diagram and the table below, R represents “row,” and C represents “column.” 50-Pin D-Sub Male Connector C12H 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 NC C4H C4L C12L R4H R4L C5H C5L C13H C13L NC NC C7H C7L C15H C15L 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 C2L NC C11H C11L C9H C9L C2H C14H C14L R2H R2L C8H C8L NC NC GND 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 NC NC C3H C3L C1H C1L R3H R3L C6H C6L C10H C10L NC C16H C16L R1H R1L Description Pin Description Pin Description Pin Description Pin Description Pin R1H 49 C2H 23 C7H 13 C12H 3 GND 33 R1L 50 C2L 24 C7L 14 C12L 4 No Connect pins: 11-12, 17-18, 31-32, 34, and 45-46 R2H 27 C3H 35 C8H 29 C13H 9 R2L 28 C3L 36 C8L 30 C13L 10 R3H 39 C4H 1 C9H 21 C14H 25 R3L 40 C4L 2 C9L 22 C14L 26 R4H 5 C5H 7 C10H 43 C15H 15 R4L 6 C5L 8 C10L 44 C15L 16 C1H 37 C6H 41 C11H 19 C16H 47 C1L 38 C6L 42 C11L 20 C16L 48

Matrix 2 NOTE: In this diagram and the table below, R represents “row,” and C represents “column.” 50-Pin D-Sub Male Connector 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Interlock C4H C4L C12H C12L R8H R8L C5H C5L C13H C13L NC NC C7H C7L C15H C15L 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 NC NC C3H C3L C1H C1L R7H R7L C6H C6L C10H C10L NC C16H C16L R5H R5L 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 C2L NC C11H C11L C9H C9L C2H C14H C14L R6H R6L C8H C8L NC NC Interlock Description Pin Description Pin Description Pin Description Pin Description Pin R5H 49 C2H 23 C7H 13 C12H 3 Interlock 17 R5L 50 C2L 24 C7L 14 C12L 4 Interlock 33 R6H 27 C3H 35 C8H 29 C13H 9 No connect pins: 11-12, 18, 31-32, 34, and 45-46. R6L 28 C3L 36 C8L 30 C13L 10 R7H 39 C4H 1 C9H 21 C14H 25 R7L 40 C4L 2 C9L 22 C14L 26 R8H 5 C5H 7 C10H 43 C15H 15 R8L 6 C5L 8 C10L 44 C15L 16 C1H 37 C6H 41 C11H 19 C16H 47 C1L 38 C6L 42 C11L 20 C16L 48 WARNING As a safety feature, interlock pins (17 and 33) must be shorted to enable the Analog Bus relays, which are on Matrix 2, to close. The optional 34932T terminal block shorts these pins for you. This feature protects inadvertent routing of high voltages from the Analog Buses to the D-sub connector of the module. all-guides.co m

27 34932T 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. NOTE All modules that connect to the internal DMM are interlock protected. This means that when an installed module is exposed (no terminal block or cable is connected), the Analog Bus relays, which are on Matrix 2, are open and disconnected from the Analog Buses. See page 10 for further information. Although they have separate screw-type connectors, rows labeled the same on a matrix are electrically connected. Therefore, you can wire the same-matrix rows in two locations. Although columns are numbered the same on Matrix 1 and Matrix 2, they are electrically separate from one another (e.g., Col C13). Wire Size: 20 AWG Typical 18 AWG Max

34933A Dual/Quad 4x8 Reed Matrix Using program commands or the front panel of the 34980A, you can configure the 34933A dual/quad 4x8 reed matrix module for differential (2-wire) mode or single-ended (1-wire) mode. The 34933A module contains 100 Ω in-rush resistors that are used to protect the reed relays from reactive loads. If you have applications where in-rush resistors interfere with measurements, connections are provided on the terminal blocks for you to bypass the in-rush resistors that are located on the columns. See the simplified schematics on page 30 and page 35. However, if you choose to bypass the in-rush resistors, the life of the reed relays that you bypass may be degraded. Two-Wire Mode To physically configure the module for 2-wire mode, use the 34933T-001 terminal block, or a compatible standard or custom cable. If using a standard or custom cable, make sure you connect interlock pins 17 and 33 on the Matrix 2 D-sub connector. Refer to the pinout drawing and table on page 32. In 2-wire mode, the 34933A module contains two matrices, each with 32 2-wire crosspoint non-latching reed relays organized in a 4-row by 8-column configuration. Every row and column are made up of two wires each, a high (H) and a low (L). Each crosspoint relay has a unique channel number representing the row and column that intersect to create the crosspoint. For example, channel 308 represents the crosspoint connection between row 3 and column 08 (all columns consisting of two digits; in this case the digits are 08). See the simplified schematic on page 30. You can connect any combination of inputs and outputs at the same time. However, only Matrix 2 in 2-wire mode of this module connects to the Analog Buses. By closing channels 921 and 922 you can connect rows 5 and 6 respectively to the internal DMM of the 34980A mainframe for voltage and resistance measurements. In 2-wire mode, you can close no more than 20 channels simultaneously due to power dissipation. However, note that Analog Bus relays count half as much as channel relays in that total. For example, with one Analog Bus relay closed, you can close up to a maximum of 19 channel relays. If you try to close more than the allowed number of channels, you will receive an error message.

29 One-Wire Mode To physically configure the module in 1-wire mode, use the 34933T-002 terminal block, or a compatible standard or custom cable. If using a standard or custom cable, make sure you connect interlock pins 17 and 33 on the Matrix 2 D-sub connector. Refer to the pinout drawing and table on page 37. In 1-wire mode, the 34933A module contains four matrices (1 through 4), each with 32 1-wire crosspoint non-latching reed relays organized in a 4-row by 8-column configuration. Every row and column has one wire each. Each crosspoint relay has a unique channel number representing the matrix, and the single-wire row and column that intersect to make the crosspoint. For example, channel 218 represents Matrix 2, row 1 and column 8. See the simplified schematic on page 35. In 1-wire mode, you can close no more than 40 channels simultaneously due to power dissipation. For example, with one Analog Bus relay closed you can close up to a maximum of 39 channel relays. If you try to close more than the allowed number of channels, you will receive an error message. You can connect any combination of inputs and outputs at the same time. However, only Matrix 3 and Matrix 4 in 1-wire mode of this module connect to the Analog Buses. By closing channels 921 and 922 you can connect rows 1 and rows 2 respectively to the internal DMM of the 34980A mainframe for voltage and resistance measurements. You can connect multiple matrix modules externally and/or through the Analog Buses for applications that require large matrices. For information on linking multiple matrix modules, refer to page 15 of this manual. When the power is off, matrix relays and Analog Bus relays open.

34933A Simplified Schematic for Two-Wire Mode C2L C2L bypass L C8L bypass L C8L C2H C2H bypass H H L L L L H H H C1H C1H bypass H C1L C1L bypass L C8H C8H bypass H C1L C1L bypass L C8H C8H bypass H C2L C2L bypass L C8L bypass L C8L H L L L L H H H C1H C1H bypass H C2H C2H bypass H H H L L Matrix 1 Matrix 2 Col 1H Col 1L Col 2H Col 2L Col 8H Col 8L Col 1H Col 1L Col 2H Col 2L Col 8H Col 8L Row 1 Row 2 Row 3 Row 4 Row 5 Row 6 Row 7 Row 8 ABus1 DMM (MEAS) ABus2 DMM (SENS) ABus3 ABus4 922 923 924 921 H H H H L L L L Analog Buses NOTE: Three-digit channel numbers are derived from the intersection of the rows and columns, columns having two digits. The intersection shown here represents Channel 308 (Row 3, Column 8). NOTE: Although columns are numbered the same on Matrix 1 and Matrix 2, they are electrically separate from one another. NOTE: All series resistors shown are 100Ω. NOTE: Matrix Relays: Reed non-latching Analog Bus Relays: Armature non-latching

31 34933A D-Sub Connectors for Two-Wire Mode Matrix 1 For orientation, the D-sub connector end of the module is facing you. Matrix 1 Matrix 2 NOTE: – In this diagram and the table below, R represents “row,” and C represents “column.” – Bypass” means to bypass the 100Ω in-rush resistor that protects the reed relays. 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 NC C4H C4L R4H R4L C5H C5L NC NC C7H C7L C4H bypass C4L bypass C5H bypass C5L bypass C7H bypass C7L bypass C2L NC C2H R2H R2L C8H C8L NC NC GND C3H bypass C1L bypass C1H bypass C3L bypass C6L bypass C6H bypass C6L NC C3H C3L C1H C1L R3H R3L C6H NC R1H R1L NC C2H bypass C2L bypass C8H bypass C8L bypass 50-Pin D-Sub Male Connector Description Pin Description Pin Description Pin Description Pin Description Pin Description Pin R1H 49 C1H 37 C5H 7 C1H bypass 21 C5H bypass 9 GND 33 R1L 50 C1L 38 C5L 8 C1L bypass 22 C5L bypass 10 No Connect pins: 11-12, 17-18, 31-32, 34, and 45-46 R2H 27 C2H 23 C6H 41 C2H bypass 43 C6H bypass 25 R2L 28 C2L 24 C6L 42 C2L bypass 44 C6L bypass 26 R3H 39 C3H 35 C7H 13 C3H bypass 19 C7H bypass 15 R3L 40 C3L 36 C7L 14 C3L bypass 20 C7L bypass 16 R4H 5 C4H 1 C8H 29 C4H bypass 3 C8H bypass 47 R4L 6 C4L 2 C8L 30 C4L bypass 4 C8L bypass 48 all-guides.co m

Matrix 2 NOTE: – In this diagram and the table below, R represents “row,” and C represents “column.” – “Bypass” means to bypass the 100Ω in-rush resistor that protects the reed relays. 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 C2L NC C2H R6H R6L C8H C8L NC NC Interlock C3H bypass C1L bypass C1H bypass C3L bypass C6L bypass C6H bypass 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Interlock C4H C4L R8H R8L C5H C5L NC NC C7H C7L C4H bypass C4L bypass C5H bypass C5L bypass C7H bypass C7L bypass 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 C6L NC C3H C3L C1H C1L R7H R7L C6H NC R5H R5L NC C2H bypass C2L bypass C8H bypass C8L bypass 50-Pin D-Sub Male Connector Description Pin Description Pin Description Pin Description Pin Description Pin R5H 49 C2H 23 C7H 13 C4H bypass 3 Interlock 17 R5L 50 C2L 24 C7L 14 C4L bypass 4 Interlock 33 R6H 27 C3H 35 C8H 29 C5H bypass 9 No Connect pins: 11-12, 18, 31-32, 34, and 45-46 R6L 28 C3L 36 C8L 30 C5L bypass 10 R7H 39 C4H 1 C1H bypass 21 C6H bypass 25 R7L 40 C4L 2 C1L bypass 22 C6L bypass 26 R8H 5 C5H 7 C2H bypass 43 C7H bypass 15 R8L 6 C5L 8 C2L bypass 44 C7L bypass 16 C1H 37 C6H 41 C3H bypass 19 C8H bypass 47 C1L 38 C6L 42 C3L bypass 20 C8L bypass 48 WARNING As a safety feature, interlock pins (17 and 33) must be shorted to enable the Analog Bus relays, which are on Matrix 2, to close. The optional 34933T-001 (for 2-wire) terminal block shorts these pins for you. This feature protects inadvertent routing of high voltages from the Analog Bus to the D-sub connector of the module.

33 34933T-001 Terminal Block for Two-Wire Mode 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. NOTE All modules that connect to the internal DMM are interlock protected. This means that when an installed module is exposed (no terminal block or cable is connected), the Analog Bus relays, which are on Matrix 2, are open and disconnected from the Analog Buses. See page 10 for further information. NOTE If you are using an Keysight terminal block to connect your DUT to this module be sure to use the 34933T-001 terminal block that corresponds to the 2-wire configuration mode. Note that an error will not be generated if you have installed a terminal block that doesn't match the present module configuration.

When using the 34933T terminal block for 2-wire mode, access is provided to the bypass columns through the columns labeled C9 through C16. Follow this wiring convention shown in the table below for both matrices. Although columns are numbered the same on Matrix 1 and Matrix 2, they are electrically separate from one another (e.g., Col C2). COLUMN Wire Size: 20 AWG Typical 18 AWG Max Terminal marked... Connects to... Terminal marked... Connects to... C9H C1Hbypass C13H C5H bypass C9L C1L bypass C13L C5L bypass C10H C2H bypass C14H C6H bypass C10L C2L bypass C14L C6L bypass C11H C3H bypass C15H C7H bypass C11L C3L bypass C15L CC7L bypass C12H C4H bypass C16H C8H bypass C12L C4L bypass C16L C8L bypass

35 34933A Simplified Schematic for One-Wire Mode H H H H ABus1 DMM (MEAS) 921 ABus2 DMM (SENS) 922 ABus3 923 ABus4 924 H H L L H H L L H H H H 2C2L 2C2 bypass 2C8 2C8 bypass 2C1 2C1 bypass L L H H 1C2 1C2 bypass 1C8 1C8 bypass 1C1 1C1 bypass 3C2 3C2 bypass 3C8 3C8 bypass 3C1 3C1 bypass 4C2 4C2 bypass 4C8 4C8 bypass 4C1 4C1 bypass Matrix 1 Matrix 3 Matrix 4 Matrix 2 Row 1 Row 2 Row 3 Row 4 Row 1 Row 2 Row 3 Row 4 Row 1 Row 2 Row 3 Row 4 Row 1 Row 2 Row 3 Row 4 Analog Buses Row 1 Row 1 Row 2 Row 2 Row 3 Row 3 Row 4 Row 4 L L L L L L L L NOTE: Matrix Relays: Reed non-latching Analog Bus Relays: Armature non-latching NOTE: Although rows are numbered the same across the matrices, they are electrically separate from one another. Channel 218 (Matrix 2, Row 1, Column 8) NOTE: All series resistors shown are 100Ω. NOTE: Three-digit channel numbers are derived from a specific matrix number and the intersection of rows and columns on that matrix. The channel shown here is 132 (Matrix 1, Row 3, Column 2.)

34933A D-Sub Connectors for One-Wire Mode Matrices 1 and 2 For orientation, the D-sub connector end of the module is facing you. Matrices 3 & 4 Matrices 1 & 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 NC 1C4 2C4 1R4 2R4 1C5 2C5 NC NC 1C7 2C7 1C4 bypass 2C4 bypass 1C5 bypass 2C5 bypass 1C7 bypass 2C7 bypass 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 2C2 NC 1C2 1R2 2R2 1C8 2C8 NC NC GND 1C3 bypass 2C1 bypass 1C1 bypass 2C3 bypass 2C6 bypass 1C6 bypass 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 2C6 NC 1C3 2C3 1C1 2C1 1R3 2R3 1C6 NC 1R1 2R1 NC 1C2 bypass 2C2 bypass 1C8 bypass 2C8 bypass 50-Pin D-Sub Male Connector Description Pin Description Pin Description Pin Description Pin Description Pin 1R1 49 1C2 23 1C7 13 1C4 bypass 3 GND 33 1R2 27 2C2 24 2C7 14 2C4 bypass 4 No connect pins: 11-12, 17-18, 31-32, 34, and 45-46 1R3 39 1C3 35 1C8 29 1C5 bypass 9 1R4 5 2C3 36 2C8 30 2C5 bypass 10 2R1 50 1C4 1 1C1 bypass 21 1C6 bypass 25 2R2 28 2C4 2 2C1 bypass 22 2C6 bypass 26 2R3 40 1C5 7 1C2 bypass 43 1C7 bypass 15 2R4 6 2C5 8 2C2 bypass 44 2C7 bypass 16 1C1 37 1C6 41 1C3 bypass 19 1C8 bypass 47 2C1 38 2C6 42 2C3 bypass 20 2C8 bypass 48 NOTE Conventions for these drawings and tables as they relate to pinout information: – 2R4 means Matrix 2, Row 4. – 1C5 means Matrix 1, Column 5 – 4C2 bypass means: Matrix 4, Column 2, and the connection bypasses the 100Ω in-rush resistor that protects the reed relays all-guides.co m

37 Matrices 3 and 4 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 Interlock 3C4 4C4 3R4 4R4 3C5 4C5 NC NC 3C7 4C7 3C4 bypass 4C4 bypass 3C5 bypass 4C5 bypass 3C7 bypass 4C7 bypass 4C2 NC 3C2 3R2 4R2 3C8 4C8 NC NC Interlock 3C3 bypass 4C1 bypass 3C1 bypass 4C3 bypass 4C6 bypass 3C6 bypass 4C6 NC 3C3 4C3 3C1 4C1 3R3 4R3 3C6 NC 3R1 4R1 NC 3C2 bypass 4C2 bypass 3C8 bypass 4C8 bypass 50-Pin D-Sub Male Connector Description Pin Description Pin Description Pin Description Pin Description Pin 3R1 49 3C2 23 3C7 13 3C4 bypass 3 Interlock 17 3R2 27 4C2 24 4C7 14 4C4 bypass 4 Interlock 33 3R3 39 3C3 35 3C8 29 3C5 bypass 9 No connect pins: 11-12, 18, 31-32, 34, and 45-46 3R4 5 4C3 36 4C8 30 4C5 bypass 10 4R1 50 3C4 1 3C1 bypass 21 3C6 bypass 25 4R2 28 4C4 2 4C1 bypass 22 4C6 bypass 26 4R3 40 3C5 7 3C2 bypass 43 3C7 bypass 15 4R4 6 4C5 8 4C2 bypass 44 4C7 bypass 16 3C1 37 3C6 41 3C3 bypass 19 3C8 bypass 47 4C1 38 4C6 42 4C3 bypass 20 4C8 bypass 48 WARNING As a safety feature, interlock pins (17 and 33) must be shorted to enable the Analog Bus relays, which are on Matrix 2, to close. The optional 34933T-002 (for 1-wire) terminal block shorts these pins for you. This safety feature protects inadvertent routing of high voltages from the Analog Buses to the D-sub connector of the module.

34933T-002 Terminal Block for One-Wire Mode 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. NOTE All modules that connect to the internal DMM are interlock protected. This means that when an installed module is exposed (no terminal block or cable is connected), the Analog Bus relays and current channels are open and disconnected from the Analog Buses. See page 10 for further information. NOTE If you are using an Keysight terminal block to connect your DUT to this module be sure to use the 34933T-002 terminal block that corresponds to the 1-wire configuration mode. Note that an error will not be generated if you have installed a terminal block that doesn't match the present module configuration. NOTE: Analog Bus connections are on Matrix 3 and Matrix 4. Wire Size: 20 AWG Typical 18 AWG Max

39 Index Numerics 34931A channel numbering, 11 connector pinouts, 19 description, 17 linking multiple modules, 15 programming examples, 11 simplified schematic, 18 terminal block, 21 wiring log, 21 34932A channel numbering, 11 connector pinouts, 25 description, 23 linking multiple modules, 15 programming examples, 11 simplified schematic, 24 terminal block, 27 wiring log, 27 34933A channel numbering, 11 connector pinouts, 31, 36 description, 28 linking multiple modules, 15 programming examples, 11 simplified schematic, 30, 35 terminal block, 33, 38 wiring log, 33, 38 C connector pinouts 34931A, 19 34932A, 25 34933A, 31, 36 D D-sub pinouts 34931A, 19 34932A, 25 34933A, 31, 36 O operating considerations, 10 P pinouts 34931A, 19 34932A, 25 34933A, 31, 36 S safety notices, 4

without notice. Always refer to the Keysight website for the latest revision. © Keysight Technologies 2008-2019 Edition 3, July 1, 2019 Printed in Malaysia *34980-90031* 34980-90031 www.keysight.com all-guides.co m