Keysight U2722A Service Manual

Usb modular source measure units
Hide thumbs Also See for U2722A:

Advertisement

Keysight U2722A/U2723A
USB Modular Source
Measure Units
Service Guide

Advertisement

Table of Contents
loading

Summary of Contents for Keysight U2722A

  • Page 1 Keysight U2722A/U2723A USB Modular Source Measure Units Service Guide...
  • Page 4: Safety Information

    WARNING Web. Go to http://www.keysight.com/ EULA. Keysight shall be under no go/conformity. You can then search by obligation to update, revise or product number to find the latest A WARNING notice denotes a hazard. It otherwise modify the Software.
  • Page 5: Safety Symbols

    Caution, risk of danger (refer to this Earth (ground) terminal manual for specific Warning or Caution information) Protective conductor terminal Caution, hot surface Frame or chassis terminal Out position of a bi-stable push control Equipotentiality In position of a bi-stable push control Keysight U2722A/U2723A Service Guide...
  • Page 6: General Safety Information

    – Do not install substitute parts or perform any unauthorized modification to the product. Return the product to n Keysight Sales and Service Office for service and repair to ensure that the safety features are maintained.
  • Page 7: Environmental Conditions

    20% to 85% RH non-condensing Storage temperature –20 °C to 70 °C Storage humidity 5% to 90% RH non-condensing The U2722A/U2723A USB Modular Source Measure Units complies with the CAUTION following safety and EMC requirements. – IEC 61326-1:2005/EN61326-1:2006 – Canada: ICES-001:2004 –...
  • Page 8: Regulatory Markings

    Cet appareil ISM est conforme a la this electrical/electronic product in norme NMB-001 du Canada. domestic household waste. The CSA mark is a registered trademark of the Canadian Standards Association. Keysight U2722A/U2723A Service Guide...
  • Page 9: Waste Electrical And Electronic Equipment (Weee) Directive 2002/96/Ec

    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/U2722A (product-specific information and support, software and documentation updates) –...
  • Page 10 THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight U2722A/U2723A Service Guide...
  • Page 11: Table Of Contents

    ..........34 Keysight U2722A/U2723A Service Guide...
  • Page 12 Characteristics and Specifications Keysight U2722A/U2723A Service Guide...
  • Page 13 Voltage test setup (no load condition) ... .28 Figure 2-2 Current test setup (no load condition) ... . .30 Keysight U2722A/U2723A Service Guide...
  • Page 14 THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight U2722A/U2723A Service Guide...
  • Page 15: List Of Tables

    Source current mode programming and readback accuracy ....... . .33 Keysight U2722A/U2723A Service Guide...
  • Page 16 THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight U2722A/U2723A Service Guide...
  • Page 17: Getting Started

    This chapter discusses the self-test and self-calibration procedure for the U2722A/U2723A USB Modular Source Measure Units. It also provides the information for returning your U2722A/U2723A to Keysight for calibration or servicing. If you have a defective module, you can return it to Keysight for repair or replacement.
  • Page 18: Introduction

    – If the self-test fails, the power indicator on the front panel will start blinking. You can use the SYSTem:ERRor? query command from the remote interface to read the error messages. If repair is required, contact a Keysight Service Center. Please refer to the programmer’s reference guide for more information on the error messages.
  • Page 19 2 Click Start on the Self-Test form. 3 Click OK to continue when the message box appears. 4 Wait for a few minutes for the self-test to complete. 5 The result is displayed on the form once the self-test has completed. Keysight U2722A/U2723A Service Guide...
  • Page 20: Self-Calibration

    Getting Started Self-calibration To perform self-calibration using the U2722A/U2723A Keysight Measurement Manager, perform the following steps. 1 Click Tools > Sel f-Calibration. 2 Click Start on the Self-Calibration form. Keysight U2722A/U2723A Service Guide...
  • Page 21 Disconnect all connections from the output terminals before performing CAUTION the self-calibration procedure. Ensure that the output terminals are not connected to any load before you turn on the U2722A/U2723A. The U2722A/ U2723A must be powered-up for at least 45 minutes before performing the self-calibration.
  • Page 22: Keysight Technologies Calibration Services

    The readjustment provides the best long-term stability and accuracy. Types of service available If your instrument fails during the warranty period, Keysight will repair or replace it under the terms of your warranty. After your warranty expires, Keysight offers repair services at competitive prices.
  • Page 23: Obtaining Repair Service (Worldwide)

    Keysight at one of the following telephone numbers. In the United States: 800 829 4444 In Europe: 31 20 547 2111 In Japan: (81) 426 56 7832 You can also use our Web link for the information on contacting Keysight worldwide: www.keysight.com/find/assist Or contact your Keysight representative.
  • Page 24: Repackaging For Shipment

    Getting Started Repackaging for shipment If the unit is to be shipped to Keysight for service or repair, make sure that you do the following. – Attach a tag to the unit identifying the owner and indicating the required service or repair. Include the model number and full serial number.
  • Page 25 Performance Verification and Adjustment Performance Verification and Adjustment Performance Verification Test Record Forms Adjustment The performance verification procedures described in this chapter verify that the U2722A/U2723A USB Modular Source Measure Units is operating normally and is within its warranted specifications.
  • Page 26: Performance Verification And Adjustment

    Performance Verification and Adjustment This section contains the performance verification and adjustment procedures. If the U2722A/U2723A fails any of the tests or if any abnormal test results are obtained, return the unit to the Keysight Service Center for readjustment. Readjustment can also be carried out using Keysight Measurement Manager revision 1.7 or above.
  • Page 27: Performance Verification

    Test settings for source voltage mode programming and readback accuracy Keysight 3458A settings Function Range DC voltage 1 V (for U2722A/U2723A drives ≤ 1 V) 10 V (for U2722A/U2723A drives ≤ 10 V) [a] Use the highest resolution available on the DMM. Keysight U2722A/U2723A Service Guide...
  • Page 28 –S Figure 2-1 Voltage test setup (no load condition) Test procedure 1 Turn off the U2722A/U2723A. Connect the DMM to the output to be tested (refer to Figure 2-1). Ensure that no load is connected. Turn on the U2722A/ U2723A.
  • Page 29: Current Tests

    Keysight 3458A settings Function Range DC current 1 μA (for U2722A/U2723A drives ≤ 1 μA) 10 μA (for U2722A/U2723A drives ≤ 10 μA) 100 μA (for U2722A/U2723A drives ≤ 100 μA) 1 mA (for U2722A/U2723A drives ≤ 1 mA) 10 mA (for U2722A/U2723A drives ≤ 10 mA) 100 mA (for U2722A/U2723A drives ≤...
  • Page 30 –S Figure 2-2 Current test setup (no load condition) Test procedure 1 Turn off the U2722A/U2723A. Connect the DMM to the output to be tested (refer to Figure 2-2). Ensure that there is no load connected. Turn on the U2722A/U2723A.
  • Page 31 Performance Verification and Adjustment 9 Repeat step 2 through step 8 for each iteration to complete the performance verification for the selected output. 10 Repeat step 1 through step 9 for the rest of the outputs. Keysight U2722A/U2723A Service Guide...
  • Page 32: Test Record Forms

    10 μA 1 μA 1 μA 120 mA 120 mA 10 mA 10 mA 1 mA 1 mA 10 V 20 V ±15 mV 100 μA 100 μA 10 μA 10 μA 1 μA 1 μA Keysight U2722A/U2723A Service Guide...
  • Page 33: Source Current Mode Programming And Readback Accuracy

    20 V 20 V ±1.125 μA 0.5 mA 1 mA ±1.125 μA 20 V 20 V ±11.25 μA 5 mA 10 mA ±11.25 μA 20 V 20 V ±0.16 mA 60 mA 120 mA ±0.16 mA Keysight U2722A/U2723A Service Guide...
  • Page 34: Adjustment

    The following information describes the procedure for voltage and current adjustments for the U2722A/U2723A using Keysight Measurement Manager revision 1.7 or above. 1 Establish the connection between the U2722A/U2723A and the PC. Launch the Keysight Measurement Manager as shown below. Keysight U2722A/U2723A Service Guide...
  • Page 35 3 A message box will appear to inform that the adjustment operation will take approximately two hours. During this period, you will not be able to operate the U2722A/U2723A. Click Yes to continue with the adjustment operation. Keysight U2722A/U2723A Service Guide...
  • Page 36 Keysight Sales Office. 6 After the self-test and self-calibration have completed, a message box shown in the following will appear to indicate you to connect the respective U2722A/ U2723A output to the voltage terminal of the 3458A. After the connection is established, click OK to continue.
  • Page 37 Performance Verification and Adjustment 7 When the voltage adjustment has completed, connect the respective U2722A/ U2723A output to the current terminal of the 3458A. After the connection is established, click OK to continue with current adjustment for channel 1. 8 After the voltage and current adjustments for channel 1 have completed, the 3458A will proceed with voltage and current adjustments for channel 2 followed by voltage and current adjustments for channel 3.
  • Page 38 Performance Verification and Adjustment THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight U2722A/U2723A Service Guide...
  • Page 39: Specifications

    Keysight U2722A/U2723A USB Modular Source Measure Units Service Guide Characteristics and Specifications For the characteristics and specifications of the U2722A/U2723A USB Modular Source Measure Units, refer to the datasheet at http://literature.cdn.keysight.com/litweb/pdf/5990-7416EN.pdf.
  • Page 40 Characteristics and Specifications THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight U2722A/U2723A Service Guide...
  • Page 41 See voltage standards limit, test. See test channel load Characteristics cleaning ELV power source isolated compliance power material packaging connection cable See test equipment test See test MEAS:CURR? connector output See output consideration test See test Keysight U2722A/U2723A Service Guide...
  • Page 42 See compliance test technical support See support SCPI commands power technical procedure self-test temperature adjustment Self-calibration See Keysight ambient/ideal See ambient Measurement Manager calibration operating See operating test current terminals test voltage output See output Keysight U2722A/U2723A Service Guide...
  • Page 43 See voltage tools self-calibration self-test *TST? types service See service Hi-Speed 2 See Hi-Speed USB 2 vibration See shock and vibration Keysight U2722A/U2723A Service Guide...
  • Page 44 THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight U2722A/U2723A Service Guide...
  • Page 45 This information is subject to change without notice. Always refer to the English version at the Keysight website for the latest revision. © Keysight Technologies 2009-2017 Edition 8, December 1, 2017 Printed in Malaysia *U2722-90021* U2722-90021 www.keysight.com...

This manual is also suitable for:

U2723a

Table of Contents