National Instruments PXIe-4135 Calibration Procedure
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National Instruments PXIe-4135 Calibration Procedure

Single-channel system source-measure unit (smu)
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CALIBRATION PROCEDURE
PXIe-4135
Single-Channel System Source-Measure Unit (SMU)
This document contains the verification and adjustment procedures for the PXIe-4135. Refer
to
ni.com/calibration
Please review and become familiar with the entire procedure before beginning the calibration
process.
Contents
Required Software.....................................................................................................................2
Related Documentation.............................................................................................................2
Password................................................................................................................................... 2
Calibration Interval................................................................................................................... 3
Test Equipment..........................................................................................................................3
Test Conditions..........................................................................................................................4
Safety Guidelines for System Operation...................................................................................5
As-Found and As-Left Limits................................................................................................... 5
Calibration Overview................................................................................................................ 6
Verification................................................................................................................................6
Self-Calibrating the PXIe-4135........................................................................................ 7
Testing the Safety Interlock.............................................................................................. 7
Verifying Voltage Measurement and Output.....................................................................8
Verifying Remote Sense Voltage Offset............................................................................9
Verifying Voltage Remote Sense.....................................................................................10
Verifying Current Offset Null......................................................................................... 12
Verifying Current Offset................................................................................................. 13
Verifying Load Regulation..............................................................................................14
Verifying 10 nA Current Measurement and Output........................................................16
Verifying 1 μA Current Measurement and Output..........................................................17
Verifying 1 A and 3 A Current Measurement and Output.............................................. 21
Adjustment.............................................................................................................................. 23
Adjusted Specifications...................................................................................................23
Initiating the Adjustment Session................................................................................... 23
Voltage and Current Output............................................................................................ 23
Residual Offset Voltage...................................................................................................27
Closing the Adjustment Session..................................................................................... 28
Alternative to Performing Adjustment Procedures......................................................... 28
for more information about calibration solutions.

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Summary of Contents for National Instruments PXIe-4135

  • Page 1: Table Of Contents

    CALIBRATION PROCEDURE PXIe-4135 Single-Channel System Source-Measure Unit (SMU) This document contains the verification and adjustment procedures for the PXIe-4135. Refer ni.com/calibration for more information about calibration solutions. Please review and become familiar with the entire procedure before beginning the calibration process.

  • Page 2: Required Software

    Reverification..........................28 Setting the Calibration Due Date.................... 28 Revision History........................29 NI Services..........................29 Required Software Calibrating the PXIe-4135 requires you to install the following software on the calibration system: • NI-DCPower 15.2 or later. • Supported application development environment (ADE)—LabVIEW or ™...

  • Page 3: Calibration Interval

    NI 787170-01, including: Remote Sense — Calibration Accuracy, Voltage • HI Sense Verification Accessories Load Regulation Assembly Verification, and • LO Sense Verification Residual Offset Assembly Voltage • Output Shorting Assembly Adjustment PXIe-4135 Calibration Procedure | © National Instruments Corporation | 3...

  • Page 4: Test Conditions

    Test Conditions Follow the setup and environmental information below to ensure the PXIe-4135 meets the published specifications. Test limits in this document are based on the July 2016 edition of the PXIe-4135 Specifications. • Ensure that the safety interlock terminal is open during verification procedures unless specifically required.

  • Page 5: Safety Guidelines For System Operation

    PXIe-4135 at the completion of the last self- calibration. Call the niDCPower Get Self Cal Last Temp VI to query T from the PXIe-4135.

  • Page 6: Calibration Overview

    Adjustment Procedure Verification or Return Device Complete Initial setup—Install the PXIe-4135 and configure it in Measurement & Automation Explorer (MAX). Verification—Verify the existing operation of the PXIe-4135. This step confirms whether the PXIe-4135 is operating within the published specifications prior to adjustment.

  • Page 7: Self-Calibrating The Pxie-4135

    Complete the following steps to self-calibrate the PXIe-4135. Disconnect or disable all connections to the PXIe-4135. Allow the PXIe-4135 30 minutes to warm up with the PXI chassis fans set to HIGH. Initialize an NI-DCPower session. Call the self-calibration function.

  • Page 8: Verifying Voltage Measurement And Output

    Banana/Bare Wire CHS GND Set the niDCPower Output Function property or NIDCPOWER_OUTPUT_FUNCTION attribute to DC Voltage for the PXIe-4135. Verifying Voltage Measurement and Output Compare a set of voltages measured by a DMM to the voltage test points requested by the PXIe-4135.

  • Page 9: Verifying Remote Sense Voltage Offset

    If more than one test point per level range is specified, repeat the previous steps for each test point, from setting the level to the test point on the PXIe-4135 up to this step. If more than one level range is specified, repeat the previous steps using the values specified in each level range.

  • Page 10: Verifying Voltage Remote Sense

    If more than one test point per level range is specified, repeat the previous steps for each test point, from setting the level to the test point on the PXIe-4135 up to this step. If more than one level range is specified, repeat the previous steps using the values specified in each level range.
  • Page 11 After the internal temperature has stabilized, if the temperature still exceeds ± 1 °C, call the self-calibration VI or function. Set the level on the PXIe-4135 to the first specified test point and enable the output. Take a voltage measurement using the PXIe-4135.

  • Page 12: Verifying Current Offset Null

    LO Sense Verification Assembly CHS GND Verifying Current Offset Null Remove all connections from the PXIe-4135 and confirm that the current measured into an open circuit falls within the test limits. Complete this procedure only after successfully completing all previous verification procedures.

  • Page 13: Verifying Current Offset

    Verifying Current Offset Remove all connections from the PXIe-4135 and confirm that the current measured into an open circuit falls within the test limits. Complete this procedure only after successfully completing all previous verification procedures.

  • Page 14: Verifying Load Regulation

    Set the niDCPower Output Function property or NIDCPOWER_OUTPUT_FUNCTION attribute to DC Current for the PXIe-4135. Set the niDCPower Sense property or NIDCPOWER_ATTR_SENSE attribute to Local. Set the first specified level range, limit range, and limit on the PXIe-4135. 14 | ni.com | PXIe-4135 Calibration Procedure...
  • Page 15 13. Complete the following steps within five minutes or less to ensure the internal device temperature remains stable: Set the level on the PXIe-4135 to the value specified by I1 in the table above. Take a voltage measurement using the PXIe-4135 and record the value as V1.

  • Page 16: Verifying 10 Na Current Measurement And Output

    Verifying 10 nA Current Measurement and Output Compare a set of measured currents reported by the PXIe-4135 to the currents measured by a DMM. Complete this procedure only after successfully completing all previous verification procedures. Verify level ranges in the order listed in the table.

  • Page 17: Verifying 1 Μa Current Measurement And Output

    Shielded Combicon to Banana/Bare wire CHS GND Set the specified level range, limit range (part 2), and limit (part 2) on the PXIe-4135. 10. Take a current measurement using the PXIe-4135. 11. Record the value from the previous step. 12. Verify that the recorded PXIe-4135 value falls within the test limits.
  • Page 18 Set the niDCPower Output Function property or NIDCPOWER_OUTPUT_FUNCTION attribute to DC Voltage for the PXIe-4135. Set the first specified level range, limit range, and limit on the PXIe-4135. Measure the internal device temperature and perform self-calibration if necessary. After measuring the internal device temperature, wait for the internal device temperature to stabilize.

  • Page 19: Verifying 100 Μa To 100 Ma Current Measurement And Output

    Current Measurement Test Limits = DMM Measured Current ± (|DMM Measured Current| * % of Current + Offset ) Disconnect the DMM as shown in the following figure. Leave the PXIe-4135 output on. Figure 9. Current Connection Diagram, Part 2...
  • Page 20 Set the niDCPower Output Function property or NIDCPOWER_OUTPUT_FUNCTION attribute to DC Current for the PXIe-4135. Set the first specified level range, limit range, and limit on the PXIe-4135. Measure the internal device temperature and perform self-calibration if necessary. After measuring the internal device temperature, wait for the internal device temperature to stabilize.

  • Page 21: Verifying 1 A And 3 A Current Measurement And Output

    If more than one test point per level range is specified, repeat the previous steps for each test point, from setting the level to the test point on the PXIe-4135 up to this step. If more than one level range is specified, repeat the previous steps using the values specified in each level range.
  • Page 22 10. If more than one test point per level range is specified, repeat the previous steps for each test point, from setting the level to the test point on the PXIe-4135 up to this step. 11. If more than one level range is specified, repeat the previous steps using the values specified in each level range.

  • Page 23: Adjustment

    Adjustment This section describes the steps needed to adjust the PXIe-4135 to meet published specifications. Adjusted Specifications Adjustment corrects the following specifications for the device: • Voltage programming accuracy • Current programming accuracy • Voltage measurement accuracy • Current measurement accuracy Following the adjustment procedure automatically updates the calibration date and temperature on the device.
  • Page 24 If more than one test point per level range is specified, repeat the previous steps for each test point, from setting the level to the test point on the PXIe-4135 up to this step. Update the output calibration constants by configuring and calling the niDCPower Cal Adjust Voltage Level VI or niDCPower_CalAdjustVoltageLevel function.
  • Page 25 If more than one test point per level range is specified, repeat the previous steps for each test point, from setting the level to the test point on the PXIe-4135 up to this step. Adjusting the 100 µA and 1 mA level ranges automatically adjusts the following ranges: 10 nA, 1 µA, 10 mA, and 100 mA.
  • Page 26 10. Configure the PXIe-4135 output to disable. Adjusting 1 A and 3 A Current Output and Measurement Compare a set of measured currents reported by the PXIe-4135 to the currents measured by a DMM. Complete this procedure only after successfully completing all previous adjustment procedures.

  • Page 27: Residual Offset Voltage

    If more than one test point per level range is specified, repeat the previous steps for each test point, from setting the level to the test point on the PXIe-4135 up to this step. Update the output calibration constants by configuring and calling the niDCPower Cal Adjust Current Limit VI or niDCPower_CalAdjustCurrentLimit function.

  • Page 28: Closing The Adjustment Session

    PXIe-4135. Note If any test fails reverification after performing an adjustment, verify that you have met the test conditions before returning your PXIe-4135 to NI. Refer to the Worldwide Support and Services section for information about support resources or service requests.
  • Page 29 NI product. Product registration facilitates technical support and ensures that you receive important information updates from NI. NI corporate headquarters is located at 11500 N Mopac Expwy, Austin, TX, 78759-3504. PXIe-4135 Calibration Procedure | © National Instruments Corporation | 29...
  • Page 30 NI trademarks. Other product and company names mentioned herein are trademarks or trade names of their respective companies. For patents covering NI products/technology, refer to the appropriate location: Help»Patents in your software, the file on your media, or the National Instruments Patent Notice at . You can find patents.txt ni.com/patents...

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