Keysight u2722a Service Manual
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Keysight u2722a Service Manual

Usb modular source measure unit
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Keysight U2722A/U2723A
USB Modular Source
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  • Page 1 Keysight U2722A/U2723A USB Modular Source Measure Units Service Guide...
  • Page 4 1400 Fountaingrove Parkway performance of this document or of Santa Rosa, CA 95403 any information contained herein. Should Keysight and the user have a separate written agreement with WA R N I N G Trademark Acknowledgements warranty terms covering the material in this document that conflict with Windows and MS Windows are U.S.

  • Page 5: Safety Symbols

    Caution, risk of danger (refer to this 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 U2722A/U2723A Service Guide...
  • Page 6 • Do not install substitute parts or perform any unauthorized modifica- tion to the product. Return the product to n Keysight Sales and Ser- vice Office for service and repair to ensure that the safety features are maintained.

  • Page 7: Environmental Conditions

    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 C A U T I O N the following safety and EMC requirements. • IEC 61326-1:2005/EN61326-1:2006 • Canada: ICES-001:2004 •...
  • Page 8 Cet appareil ISM est confomre a la label indicates that you must not dis- norme NMB-001 du Canada. card this electrical/electronic product in domestic household waste. The CSA mark is a registered trademark of the Canadian Standards Association. U2722A/U2723A Service Guide...
  • Page 9 “Monitoring and Control Instrument”. The affixed product label is shown as below. Do not dispose in domestic household waste To return this unwanted instrument, contact your nearest Keysight Technologies, or visit: www.keysight.com/environment/product for more information.
  • Page 10 U2722A/U2723A USB Modular Source Measure Units. Getting Started This chapter provides an overview of the service procedure for the U2722A/U2723A which includes the service types offered by Keysight, and instructions for obtaining services and sending the U2722A/U2723A for service. Performance Verification and Adjustment...

  • Page 11: Table Of Contents

    List of Tables Specifications Product Characteristics Product Specifications Getting Started Introduction Self-Test Self-Calibration Keysight Technologies Calibration Services Calibration Interval Types of Service Available Extended Service Contracts Obtaining Repair Service (Worldwide) Repackaging for Shipment Cleaning Performance Verification and Adjustment Performance Verification and Adjustment...
  • Page 12 Contents Source Current Mode Programming and Readback Accuracy Adjustment U2722A/U2723A Service Guide...

  • Page 13: List Of Figures

    List of Figures Figure 3-1 Voltage test setup (no load condition) Figure 3-2 Current test setup (no load condition) U2722A/U2723A Service Guide...

  • Page 14: List Of Tables

    Table 3-2 Test settings for source voltage mode programming and readback accuracy Table 3-3 Test settings for source current mode programming and readback accuracy Table 3-4 Source voltage mode programming and readback accuracy Table 3-5 Source current mode programming and readback accuracy U2722A/U2723A Service Guide...

  • Page 15: Specifications

    U2722A/U2723A USB Modular Source Measure Units Service Guide Specifications Product Characteristics 2 Product Specifications 4 This chapter specifies the characteristics, environmental conditions, and specifications of the U2722A/U2723A.

  • Page 16: Product Characteristics

    • Australia/New Zealand: AS/NZS CISPR11:2004 SHOCK AND VIBRATION Tested to IEC/EN 60068-2 I/O CONNECTOR Output connectors DIMENSIONS (W × D × H) • 120.00 × 183.00 × 66.00 mm (with bumpers) • 105.00 × 175.00 × 50.00 mm (without bumpers) U2722A/U2723A Service Guide...
  • Page 17 Normal wear and tear of mechanical components • Manuals [1] Compatible with Microsoft Windows operating systems only [2] Requires a direct USB connection to the PC so the appropriate driver can be in- stalled in the USB modular instrument or USB DAQ module U2722A/U2723A Service Guide...

  • Page 18: Product Specifications

    Number of outputs Output ratings (at 0 °C to 50 °C) Voltage –20 V to 20 V Current –120 mA to 120 mA U2722A USB Modular Source Measure Unit performance specifications Range Accuracy Resolution ± 2 V Voltage programming 0.075% + 1.5 mV 0.1 mV...
  • Page 19 10 nA ± 1 mA 0.075% + 750 nA 100 nA ± 10 mA 0.075% + 7.5 μA 1 μA ± 120 mA 0.1% + 100 μA 20 μA [1] Accuracy measurements are based on NPLC 10. U2722A/U2723A Service Guide...
  • Page 20 ± 1 μA 170.0 ± 10 μA 18.0 ± 100 μA U2722A USB Modular Source Measure Unit ± 1 mA For resistive measurement ± 10 mA ± 120 mA [1] Drive 50% of 1 V or 10 V output with a resistive load. Rise time is from 10% to 90% of program voltage change at maximum current.
  • Page 21 = temperature coefficient, and • y = temperature change for U2722A USB Modular Source Measure Unit: 22 ° C to 0 ° C, 28 ° C to 50 ° C temperature change for U2723A USB Modular Source Measure Unit: 18 ° C to 0 °...
  • Page 22 Specifications THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. U2722A/U2723A Service Guide...

  • Page 23: Getting Started

    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 24: Introduction

    C A U T I O N performing the self-test procedure. Ensure that the output terminals are not connected to any load before you turn on the U2722A/U2723A. Keysight Measurement Manager To start the self- test procedure using the Keysight Measurement Manager, perform the following steps.
  • Page 25 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. U2722A/U2723A Service Guide...

  • Page 26: Self-Calibration

    Getting Started Self-Calibration To perform self- calibration using the U2722A/U2723A Keysight Measurement Manager, perform the following steps. 1 Click Tools > Self-Calibration. 2 Click Start on the Self- Calibration form. U2722A/U2723A Service Guide...
  • Page 27 Ensure that the output terminals are not connected to any load before you turn on the U2722A/U2723A. It is recommended that the U2722A/U2723A is powered-up for at least 45 minutes before performing self-calibration. U2722A/U2723A Service Guide...

  • Page 28: Keysight Technologies Calibration Services

    When your instrument is due for calibration, contact your local Keysight Service Center for a low-cost recalibration. The U2722A/U2723A is supported on automated calibration systems, which allows Keysight to provide this service at a competitive price. Calibration Interval A one-year interval is adequate for most applications.

  • Page 29: Obtaining Repair Service (Worldwide)

    To obtain service for your instrument (in-warranty, under service contract, or post-warranty), contact your nearest Keysight Service Center. They will arrange to have your unit repaired or replaced, and are able to provide warranty or repair cost information where applicable.

  • Page 30: 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 31: Performance Verification And Adjustment

    Source Voltage Mode Programming and Readback Accuracy 24 Source Current Mode Programming and Readback Accuracy 25 Adjustment 26 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 32: Performance Verification And Adjustment

    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.

  • Page 33: Performance Verification

    Table 3-2 Test settings for source voltage mode programming and readback accuracy Keysight 3458A settings Function Range 1 V (for U2722A/U2723A drives ≤ 1 V) DC voltage 10 V (for U2722A/U2723A drives ≤ 10 V) 1 Use the highest resolution available on the DMM. U2722A/U2723A Service Guide...
  • Page 34 – –S Figure 3-1 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 3- 1). Ensure that no load is connected. Turn on the U2722A/U2723A.

  • Page 35: Current Tests

    Keysight 3458A settings Function Range 1 μA (for U2722A/U2723A drives ≤ 1 μA) DC current 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 ≤...
  • Page 36 – –S Figure 3-2 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 3- 2). Ensure that there is no load connected. Turn on the U2722A/U2723A.
  • Page 37 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. U2722A/U2723A Service Guide...

  • Page 38: Test Record Forms

    10 μA 10 μA 1 μA 1 μA 120 mA 120 mA 10 mA 10 mA 1 mA 1 mA ±15 mV 10 V 20 V 100 μA 100 μA 10 μA 10 μA 1 μA 1 μA U2722A/U2723A Service Guide...

  • Page 39: Source Current Mode Programming And Readback Accuracy

    ±112.5 nA ±1.125 μA 20 V 20 V 0.5 mA 1 mA ±1.125 μA ±11.25 μA 20 V 20 V 5 mA 10 mA ±11.25 μA ±0.16 mA 20 V 20 V 60 mA 120 mA ±0.16 mA U2722A/U2723A Service Guide...

  • Page 40: 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.
  • Page 41 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. U2722A/U2723A Service Guide...
  • Page 42 PC and click Yes to proceed. Select No to exit the adjustment operation. 5 The 3458A and U2722A/U2723A will be triggered to perform self- test and self- calibration. During this process, make sure that there is no connection on the instruments terminals.
  • Page 43 10 A message box will appear as shown below prompting you to power cycle the U2722A/U2723A for the adjustment to take effect. To power cycle the U2722A/U2723A, power off the U2722A/U2723A and restart it. Ensure that the U2722A/U2723A is powered- off properly before restarting.
  • Page 44 Performance Verification and Adjustment THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. U2722A/U2723A Service Guide...
  • Page 45 See pollution degree performance. See performance load, 6, 10, 13, 20, 22 Digital Multimeter, 18, 19, 20, 21, 22, 22 procedure. See procedure dimensions, 2 self. See Keysight Measurement Manager disassembly, 16 services. See Keysight drive material, packaging, 16 standards, 18 current.
  • Page 46 Index measurement procedure Self-test, 10 accuracy. See accuracy adjustment, 26 Keysight Measurement Manager. See Keysight Measurement Manager manager. See Keysight Measurement calibration, 19, 20, 22 Manager sense, remote. See remote test, current, 22 source current mode, 21, 25 service test, voltage, 20...
  • Page 47 15 tools weight, 3 self-calibration, 12 worldwide, repair service, 15 self-test, 10 *TST?, 10 types, service. See service USB, 4, 19, 20, 22 Hi-Speed 2.0. See Hi-Speed USB 2.0 USBTMC 488.2, 2 vibration. See shock and vibration U2722A/U2723A Service Guide...
  • Page 48 Index THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. U2722A/U2723A Service Guide...
  • Page 49 (tel) (65) 6375 8100 (fax) (65) 6755 0042 Or visit Keysight World Wide Web at: www.keysight.com/find/assist Product specifications and descriptions in this document are subject to change without notice. Always refer to the Keysight Web site for the lat- est revision.
  • Page 50 This information is subject to change without notice. © Keysight Technologies 2009 - 2014 Edition 6, November 2014 *U2722-90021* U2722-90021 www.keysight.com...

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