Keysight Technologies 34931A User Manual
Keysight Technologies 34931A User Manual

Keysight Technologies 34931A User Manual

Matrix modules
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Summary of Contents for Keysight Technologies 34931A

  • Page 1 T h e t e s t & me a s u r e me n t e q u i p me n t y o u n e e d a t t h e p r i c e y o u w a n t . A l l t e s t I n s t r u me n t s , I n c .
  • Page 2 Keysight 34931A-34933A Matrix Modules User’s Guide...
  • Page 3: Copyright Notice

    EXPRESS OR IMPLIED, WITH REGARD agreement and written consent from customarily provided to the public. TO THIS MANUAL AND ANY Keysight Technologies as governed by Accordingly, Keysight provides the INFORMATION CONTAINED HEREIN, United States and international Software to U.S. government INCLUDING BUT NOT LIMITED TO THE copyright laws.
  • Page 4: Safety Symbols

    Off (mains supply) On (mains supply) Three phase alternating current Presence of a laser device Equipment protected throughout by Protective earth (ground) terminal double insulation or reinforced insulation Product is sensitive to electrostatic Caution, hot surface discharge Keysight 34931A-34933A User’s Guide...
  • Page 5: Additional Safety Notices

    Pollution Degree 1: No pollution or only dry, non-conductive pollution occurs. NOTE The pollution has no influence (on insulation). Pollution Degree 2: Normally only non-conductive pollution occurs. Occasionally, a temporary conductivity (leakage current between isolated conductors) caused by condensation can be expected. Keysight 34931A-34933A User’s Guide...
  • Page 6 Faulty cables can cause electrical shock and /or fire hazards and could lead to personal injury or death. Safety of any system incorporating the equipment is the responsibility of the WARNING assembler of the system. Keysight 34931A-34933A User’s Guide...
  • Page 7 Any voltages greater than 30 Vrms, 42.4 Vpeak and 60 Vdc are considered hazardous (IEC 61010-1). The maximum common mode input to any one system component within the WARNING system installation is not to exceed the maximum stated ratings. Keysight 34931A-34933A User’s Guide...
  • Page 8 Ensure no hazardous voltages remain on any accessible before handling any part of the instrument and test setup, making connections to the system, removing covers or cleaning the instrument. Keysight 34931A-34933A User’s Guide...
  • Page 9 Use extreme caution when handling and testing and adjusting this instrument. Do not perform these procedures unless qualified to do so. Failure to recognize and observe normal safety precautions could result in personal injury or death. Keysight 34931A-34933A User’s Guide...
  • Page 10 ENVIRONMENTAL HEALTH & SAFETY: When any channel is connected to a WARNING hazardous voltage source, the instrument and the device under test should be supervised, following local EHS practices to restrict access. Keysight 34931A-34933A User’s Guide...
  • Page 11: Environmental Conditions

    40°C, decreases linearly to 37% RH at 55°C Altitude Up to 2,000 m Pollution degree 1 or 2 [a] From 40°C to 55°C, the maximum % Relative Humidity follows the line of constant dew point. Keysight 34931A-34933A User’s Guide...
  • Page 12: Regulatory Markings

    This symbol is a South Korean Class A EMC Declaration. This is a Class A The RCM mark is a registered instrument suitable for professional trademark of the Australian use and in electromagnetic Communications and Media Authority. environment outside of the home. Keysight 34931A-34933A User’s Guide...
  • Page 13 This mark indicates product has been designed to meet the requirements of Universal recycling symbol. "IP x y", where "x" is the solid particle protection and "y" is the liquid ingress protection. Keysight 34931A-34933A User’s Guide...
  • Page 14: Waste Electrical And Electronic Equipment (Weee) Directive 2002/96/ Ec

    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) Keysight 34931A-34933A User’s Guide...
  • Page 15 THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight 34931A-34933A User’s Guide...
  • Page 16: Table Of Contents

    ......24 34931A Dual 4x8 Armature Matrix ......27 34931A Simplified Schematic .
  • Page 17 THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight 34931A-34933A User’s Guide...
  • Page 18: Matrix Modules

    Dual 4x16 armature matrix 34933A Dual/Quad 4x8 reed matrix 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.
  • Page 19: Operating Considerations

    Operating Considerations Connection to Voltage Sources Modules 34931A, 34932A, 34933A: WARNING It is possible to connect more than one power source at the same time with a matrix. Ensure that dangerous or unwanted conditions are not created by these connections. Failure to recognize or observe normal safety precautions could result in equipment damage and may result in hazardous conditions such as fire or shock and could lead to personal injury or death.
  • Page 20 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. Keysight 34931A-34933A User’s Guide...
  • Page 21: Scpi Programming Examples For The Matrix Modules

    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.
  • Page 22 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.
  • Page 23 When using a command to configure the system, the new configuration does not NOTE take effect until you cycle power on the 34980A. Example: Querying the system for module Identify The following command returns the identity of the module installed in slot 7. SYSTem:CTYPe? 7 Keysight 34931A-34933A User’s Guide...
  • Page 24 304 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 Keysight 34931A-34933A User’s Guide...
  • Page 25: Linking Multiple Matrix Modules

    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.
  • Page 26 Module 1 Increase number of rows by connecting through columns n - 1 8 Rows 8 or 16 Columns n - 1 Module 2 *n can be 8 or 16 Keysight 34931A-34933A User’s Guide...
  • Page 27 Increase number of 16 or 32 Columns columns by connecting through rows n - 1 n - 1 Module 1 Module 2 Analog Buses *n can be 8 or 16 4 Rows Keysight 34931A-34933A User’s Guide...
  • Page 28: 34931A Dual 4X8 Armature Matrix

    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).
  • Page 29: 34931A Simplified Schematic

    ABus1 Row 5 (MEAS) ABus2 Row 6 (SENS) ABus3 Row 7 Row 8 ABus4 NOTE: Matrix 1 and Matrix 2 are electrically separate from one another. NOTE: Matrix Relays: Armature latching Analog Bus Relays: Armature non-latching Keysight 34931A-34933A User’s Guide...
  • Page 30: 34931A D-Sub Connectors

    R represents “row,” and C represents R2L C8H C8L “column.” 50-Pin D-Sub Male C3L C1H C1L R3H R3L C6H C6L Connector Description Description Description No Connect pins: 3-4, 9-12, 15-22, 25-26, 31-32, 34, and 43-48. Keysight 34931A-34933A User’s Guide...
  • Page 31 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. Keysight 34931A-34933A User’s Guide...
  • Page 32: 34931T Terminal Block

    Analog Bus relays, which are on Matrix 2, are open and disconnected from the Analog Buses. See page 18 for further information. On the 34931T terminal block, only two sets of screw terminals are for use with NOTE the 34931A module. See the following drawing. Keysight 34931A-34933A User’s Guide...
  • Page 33 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). Keysight 34931A-34933A User’s Guide...
  • Page 34 Never operate the instrument without the terminal block covers securely installed. Use caution to prevent operators from accessing any external circuits, test fixtures, cables or whenever hazardous voltages may be present. Keysight 34931A-34933A User’s Guide...
  • Page 35 – AWM Class II B or A/B – external/interconnecting wires (single- or multiple-conductor constructions with a jacket) and potentially subject to mechanical abuse (Canada) – AWM Style Use – external interconnection of electronic equipment or appliances (US) Keysight 34931A-34933A User’s Guide...
  • Page 36: 34932A Dual 4X16 Armature Matrix

    When the DMM is scanning, it controls ABus1 and ABus2 relays, which are on NOTE Matrix 2. Therefore, consider this behavior when you are connecting matrices. When the power is off, matrix relays maintain state, and Analog Bus relays open. Keysight 34931A-34933A User’s Guide...
  • Page 37: 34932A Simplified Schematic

    ABus1 Row 5 (MEAS) ABus2 Row 6 (SENS) Row 7 ABus3 Row 8 ABus4 NOTE: Matrix 1 and Matrix 2 are electrically separate from one another. NOTE: Matrix Relays: Armature latching Analog Bus Relays: Armature non-latching Keysight 34931A-34933A User’s Guide...
  • Page 38: 34932A D-Sub Connectors

    C1L R3H R3L C6H C6L C10H C10L Male Connector Description Description Description Description Description C12H C12L No Connect pins: 11-12, 17-18, 31-32, C13H 34, and 45-46 C13L C14H C14L C10H C15H C10L C15L C11H C16H C11L C16L Keysight 34931A-34933A User’s Guide...
  • Page 39 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. Keysight 34931A-34933A User’s Guide...
  • Page 40: 34932T Terminal Block

    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). Keysight 34931A-34933A User’s Guide...
  • Page 41 Never operate the instrument without the terminal block covers securely installed. Use caution to prevent operators from accessing any external circuits, test fixtures, cables or whenever hazardous voltages may be present. Keysight 34931A-34933A User’s Guide...
  • Page 42 – AWM Class II B or A/B – external/interconnecting wires (single- or multiple-conductor constructions with a jacket) and potentially subject to mechanical abuse (Canada) – AWM Style Use – external interconnection of electronic equipment or appliances (US) Keysight 34931A-34933A User’s Guide...
  • Page 43: 34933A Dual/Quad 4X8 Reed Matrix

    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. Keysight 34931A-34933A User’s Guide...
  • Page 44 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 24 of this manual. When the power is off, matrix relays and Analog Bus relays open. Keysight 34931A-34933A User’s Guide...
  • Page 45: 34933A Simplified Schematic For Two-Wire Mode

    Matrix 2 Col 1H Col 1L Col 2H Col 2L Col 8H Col 8L bypass bypass bypass bypass bypass bypass Analog Buses ABus1 Row 5 (MEAS) ABus2 Row 6 (SENS) Row 7 ABus3 Row 8 ABus4 Keysight 34931A-34933A User’s Guide...
  • Page 46: 34933A D-Sub Connectors For Two-Wire Mode

    C6H bypass 25 31-32, 34, and 45-46 C2L bypass 44 C6L bypass 26 C3H bypass 19 C7H bypass 15 C3L bypass 20 C7L bypass 16 C4H bypass 3 C8H bypass 47 C4L bypass 4 C8L bypass 48 Keysight 34931A-34933A User’s Guide...
  • Page 47 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. Keysight 34931A-34933A User’s Guide...
  • Page 48: 34933T-001 Terminal Block For Two-Wire Mode

    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. Keysight 34931A-34933A User’s Guide...
  • Page 49 Never operate the instrument without the terminal block covers securely installed. Use caution to prevent operators from accessing any external circuits, test fixtures, cables or whenever hazardous voltages may be present. Keysight 34931A-34933A User’s Guide...
  • Page 50 (US) 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. Keysight 34931A-34933A User’s Guide...
  • Page 51 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 Keysight 34931A-34933A User’s Guide...
  • Page 52: 34933A Simplified Schematic For One-Wire Mode

    Row 1 (MEAS) Row 3 Row 4 Row 2 ABus2 Matrix 4 Row 2 (SENS) bypass bypass bypass Row 3 ABus3 Row 3 Row 1 Row 2 Row 4 Row 3 ABus4 Row 4 Row 4 Keysight 34931A-34933A User’s Guide...
  • Page 53: 34933A D-Sub Connectors For One-Wire Mode

    NOTE – 2R4 means Matrix 2, Row 4. – 1C5 means Matrix 1, Column 5 – 4C2 bypass means: Matrix 4, Column 2, and the connection bypasses the 100 in-rush resistor that protects the reed relays Keysight 34931A-34933A User’s Guide...
  • Page 54 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. Keysight 34931A-34933A User’s Guide...
  • Page 55: 34933T-002 Terminal Block For One-Wire Mode

    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. Keysight 34931A-34933A User’s Guide...
  • Page 56 Never operate the instrument without the terminal block covers securely installed. Use caution to prevent operators from accessing any external circuits, test fixtures, cables or whenever hazardous voltages may be present. Keysight 34931A-34933A User’s Guide...
  • Page 57 – AWM Class II B or A/B – external/interconnecting wires (single- or multiple-conductor constructions with a jacket) and potentially subject to mechanical abuse (Canada) – AWM Style Use – external interconnection of electronic equipment or appliances (US) Keysight 34931A-34933A User’s Guide...
  • Page 58: 34980A Current Limiting Graphs

    1A (switch) / 2A (carry) Matrix Switch 34932A 60VA per channel 60VA per channel 1000Vpk Terminal Block 34932T Volt-Hertz limit: 10 Volt-Hertz limit: 10 Initial closed channel resistance: Initial closed channel resistance: <1.5  <1.5  Keysight 34931A-34933A User’s Guide...
  • Page 59 1 week. Switching relays for 2K cycles prior to use may reduce the variation in channel resistance. Keysight recommends the use of 4-wire Ohms for resistance measurements. For high accuracy voltage measurements, select the DMM input resistance setting of >10 G ohms to minimize the impact of relay contact resistance. Keysight 34931A-34933A User’s Guide...
  • Page 60 4. Power restrictions allow only 20 channels to be closed at one time. 5. Limited to 6 W of channel resistance power loss per module. 6. Into analog bus. System errors are included in the internal DMM measurement accuracy specifications. Keysight 34931A-34933A User’s Guide...
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  • Page 62 34933A channel numbering connector pinouts description linking multiple modules programming examples simplified schematic terminal block wiring log connector pinouts 34931A 34932A 34933A D-sub pinouts 34931A 34932A 34933A Keysight 34931A-34933A User’s Guide...
  • Page 63 THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight 34931A-34933A User’s Guide...
  • Page 64 This information is subject to change without notice. Always refer to the Keysight website for the latest revision. © Keysight Technologies 2008-2022 Edition 4, Aug 2022 Printed in Malaysia  34980-90031 www.keysight.com...

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