NI PXIe-4141 Calibration Procedure Download

Page: 19 / 20

Revision History

Revision

Edition Date

Section

Changes

375060B-01 November 2020

Required Equipment for

Calibration

The recommended DMM was
changed from the Agilent
3458A to the Keysight 3458A.

Voltage Output and

Measurement, Current

Output and Measurement,

Remote Sense

DMM range was added to all
verification tables.

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NI PXIe-4141 Calibration Procedure

Summary of Contents for PXIe-4141

Page 1: ...verview 5 Self Calibrating 5 Voltage Output and Measurement 6 Current Output and Measurement 7 Remote Sense 10 Adjustment 13 Adjusted Specifications 13 Self Calibrating 13 Initiating the Adjustment Session 14 Connecting and Configuring Equipment for Voltage Adjustment 14 Adjusting Voltage Measurement 14 Connecting and Configuring Equipment for Current Adjustment 15 Adjusting Current Measurement 16...

Page 2: ...d all required software from ni com downloads Related Documentation You might find the following documents helpful as you perform the calibration procedure NI DC Power Supplies and SMUs Getting Started Guide NI DC Power Supplies and SMUs Help NI PXIe 4141 Specifications NI DCPower Readme Visit ni com manuals for the latest versions of these documents Password The default password for password prot...

Page 3: ...e 1 4 W Two 100 kΩ resistors Vishay PTF65100K00BYEK Current remote sense 0 1 tolerance 1 4 W Test Conditions The following setup and environmental conditions are required to ensure the NI 4141 meets published specifications Keep cabling as short as possible Long cables act as antennas picking up extra noise that can affect measurements Verify that all connections to the NI 4141 including front pan...

Page 4: ...property or the NIDCPOWER_ATTR_POWER_LINE_FREQUENCY attribute to either 50 or 60 depending on the frequency of the AC power line in your location Do not use the NI DCPower Soft Front Panel SFP to request test points for any adjustment functions because you cannot set aperture time using the SFP Ensure that properties or attributes for the module that are not specified in calibration procedures are...

Page 5: ...4141 and configure it in Measurement Automation Explorer MAX 2 Verification Verify the existing operation of the NI 4141 This step confirms whether the device is operating within the published specifications prior to adjustment 3 Adjustment Adjust the calibration constants of the NI 4141 4 Reverification Repeat the Verification procedure to ensure that the device is operating within the published ...

Page 6: ...ge Mode NI DCPower Device Sense LO Sense HI HI LO 2 Set the niDCPower Output Function property or NIDCPOWER_OUTPUT_FUNCTION attribute to DC Voltage for the NI 4141 Verifying Voltage Output and Measurement Compare a set of voltages measured by the external DMM to both a set of voltage test points requested by the NI 4141 and to the measured voltages reported by the NI 4141 Refer to the following ta...

Page 7: ...st Point Test Point of Voltage Offset 6 Verify that the recorded DMM value falls within the test limits 7 Calculate the lower and upper voltage measurement test limits using the following formula Voltage Measurement Test Limits DMM Measured Voltage DMM Measured Voltage of Voltage Offset Record the test limits 8 Verify that the recorded NI 4141 value falls within the test limits 9 If more than one ...

Page 8: ...current test points requested by the NI 4141 and to the measured currents reported by the NI 4141 Refer to the following table as you complete the following steps Table 3 Current Output and Measurement Verification Level Range Limit Range and Limit Test Point DMM Range As Found Output Test Limit of Current Offset As Found Measurement Test Limit of Current Offset 10 μA 10 V 10 μA 10 μA 0 03 300 pA ...

Page 9: ... the NI 4141 2 Set the level on the NI 4141 to the first specified test point 3 Take a current measurement using the DMM and take a current measurement using the NI 4141 4 Record the values from the previous step 5 Calculate the lower and upper current output test limits using the following formula Current Output Test Limits Test Point Test Point of Current Offset 6 Verify that the recorded DMM va...

Page 10: ...rification 1 Make the necessary connections for this procedure as shown in the following figure Figure 4 Voltage Remote Sense Output Verification Connection Diagram Load3 Load2 Load1 DMM Load Voltage Measurements DMM LO Lead Drop Measurements NI DCPower Device Sense LO Sense HI HI LO DMM1 Voltage Mode DMM2 Voltage Mode 2 Set the niDCPower Sense property or NIDCPOWER_ATTR_SENSE attribute to Remote ...

Page 11: ...ge measurement falls within the voltage remote sense test limits 7 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 NI 4141 up to this step 8 If more than one level range is specified repeat the previous steps using the values specified in each level range Connecting and Configuring Equipment to V...

Page 12: ...kΩ 33 nA 0 μA 100 µA 100 μA 100 µA 1 mA 10 V 1 mA 1 mA 1 kΩ 1 kΩ 330 nA 0 mA 1 mA 1 mA 1 mA 10 mA 10 V 10 mA 10 mA 100 Ω 100 Ω 3 3 μA 0 mA 10 mA 10 mA 10 mA 100 mA 10 V 100 mA 100 mA 10 Ω 10 Ω 33 μA 0 mA 100 mA 100 mA 100 mA 1 Set the first specified level range limit range and limit on the NI 4141 2 Set the level on the NI 4141 to the first specified test point 3 Calculate the total lead drop usi...

Page 13: ...lated Information For information on VIs and functions used in adjustment refer to the NI DC Power and SMUs Help 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 t...

Page 14: ...is procedure as shown in the following figure Figure 6 Voltage Verification or Adjustment Connection Diagram DMM Voltage Mode NI DCPower Device Sense LO Sense HI HI LO 2 Set the niDCPower Output Function property or NIDCPOWER_OUTPUT_FUNCTION attribute to DC Voltage for the NI 4141 Adjusting Voltage Measurement Compare a set of measured voltages reported by the NI 4141 to the voltages measured by a...

Page 15: ...ge is specified repeat the previous steps using the values specified in each level range 7 Update the measurement calibration constants by configuring and calling the niDCPower Cal Adjust Voltage Measurement VI or niDCPower_CalAdjustVoltageMeasurement function a Input the DMM measurements as the measured outputs b Input the NI 4141 measurements as the reported outputs c Input the specified level r...

Page 16: ...just VI or function called in the following steps 5 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 NI 4141 up to this step For zero current test points disconnect all external equipment from the I O connector on the NI 4141 and take a current measurement solely with the NI 4141 in order to ensur...

Page 17: ...offset voltage at 0 V by configuring and calling the niDCPower Cal Adjust Residual Voltage Offset VI or niDCPower_CalAdjustResidualVoltageOffset function Adjusting Residual Current Offset 1 Disconnect all equipment from the output of the NI 4141 2 Eliminate offset current at 0 A by configuring and calling the niDCPower Cal Adjust Residual Current Offset VI or niDCPower_CalAdjustResidualCurrentOffs...

Page 18: ...d test limits Note If any test fails reverification after performing an adjustment verify that you have met the Test Conditions before returning your device to NI Refer to the Worldwide Support and Services section for information about support resources or service requests Related Information Test Conditions on page 3 Verification on page 2 Setting the Calibration Due Date Use either Measurement ...

Page 19: ...t resources including documentation downloads and troubleshooting and application development self help such as tutorials and examples Visit ni com services to learn about NI service offerings such as calibration options repair and replacement Visit ni com register to register your NI product Product registration facilitates technical support and ensures that you receive important information upda...

Page 20: ...As and third party legal notices in the readme file for your NI product Refer to the Export Compliance Information at ni com legal export compliance for the NI global trade compliance policy and how to obtain relevant HTS codes ECCNs and other import export data NI MAKES NO EXPRESS OR IMPLIED WARRANTIES AS TO THE ACCURACY OF THE INFORMATION CONTAINED HEREIN AND SHALL NOT BE LIABLE FOR ANY ERRORS U...

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