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Summary of Contents for NI PXIe-4150
- Page 1 Calibration Procedure PXIe-4150 and PXIe-4151 May 2025 379060A-01 Instructions on how to complete the performance verification and adjustment of your instrument.
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Page 2: Table Of Contents
This document contains the verification and adjustment procedures for the NI PXIe-4150 and PXIe-4151. Use the procedures in this document to automate calibration or to conduct manual calibration. Review and become familiar with the entire procedure before beginning the calibration process. -
Page 3: Icons
Cautionary statements are localized into French for compliance with Canadian requirements. Note — Important information to assist with execution of procedure. NI Calibration Executive Users — Additional important information on running the automated procedure can be found in the help file. ni.com/services... -
Page 4: Terms And Definitions
NI PXIe-4150 and PXIe-4151 Calibration Procedure 2. Terms and Definitions DUT is an acronym for Device Under Test and refers to the NI product being calibrated. For this procedure, DUT refers to the NI PXIe-4151 and PXIe-4150. As-Found Limits These limits are derived from the published specifications for the DUT. -
Page 5: Calibration Overview
NI PXIe-4150 and PXIe-4151 Calibration Procedure ATTENTION Suivez toutes les instructions et respectez toutes les mises en garde de la documentation d'utilisation. L'utilisation du produit de toute autre façon que celle spécifiée risque de l'endommager et de compromettre la protection de sécurité... -
Page 6: Calibration Information
NI PXIe-4150 and PXIe-4151 Calibration Procedure 4.3. Calibration Information Recommended Calibration Interval 2 years Password Note This is the default password for all password-protected operations. This password is site-specific. Test Points Estimated Test Operator Task Time Connections PXIe-4150 PXIe-4151 Setup... -
Page 7: Calibration Condition Guidelines
NI PXIe-4150 and PXIe-4151 Calibration Procedure Note Always refer to the specifications document for your device before connecting signals. Failure to observe the specified maximum signal ratings can cause shock, a fire hazard, or damage to the device connected to the DUT. -
Page 8: Calibration Resources
If a DUT fails reverification after adjustment, ensure that the Test Conditions have been met before returning the DUT to NI. Clean any oxidation from the spade connectors or banana plugs on the cables before connecting them into the binding posts. Oxidation tarnishes the copper plugs so that they appear dull rather than shiny and leads to greater thermal EMF. -
Page 9: Recommended Documentation
NI DCPower instrument driver help 5.3. Test Equipment This section details the equipment NI recommends for each test performed as part of this calibration procedure. NI Calibration Executive Users Refer to the Calibration Executive Help to find an updated list of test equipment for this calibration procedure. -
Page 10: Warm Up The Dut
NI PXIe-4150 and PXIe-4151 Calibration Procedure Standard Recommended Model Where Used Functional Requirement(s) Current Shunt Ohm-Labs CS-50 7.2 Current Resistance Accuracy Programming and Requires additional Measurement Calibration Test Accuracy Verification Points Keysight 3458A All Procedures Current and Voltage Functionality PXIe-4150/4151... -
Page 11: Perform Self-Calibration
EEPROM, so the corrections survive power cycling and device resetting. Because EEPROM has a limited number of write cycles, NI recommends that you save your self-calibration data to EEPROM no more than once per day. -
Page 12: Perform Verification
NI PXIe-4150 and PXIe-4151 Calibration Procedure Note Warm up begins when the PXI chassis has been powered on, the operating system has completely loaded, and auxiliary power is supplied to the DUT. Self-calibrate the DUT by clicking the Self-Calibrate button in MAX. -
Page 13: Initial Test Connection
NI PXIe-4150 and PXIe-4151 Calibration Procedure 1.5 V PXIe-4150/4151 Local & Remote – 0.83 mV 0.83 mV PXIe-4150/4151 Local & Remote – 1.16 mV 1.16 mV PXIe-4150/4151 Local & Remote – 1.82 mV 1.82 mV 60 V 100 mV PXIe-4150 Local &... - Page 14 6. HI Sense signal cable 2. Auxiliary Power Supply 7. HI signal cable from DUT (Positive polarity defined as voltage measured on NI > LO) 3. Auxiliary Power Supply Cable 8. LO Sense signal cable Cal Cable – "Banana" (NI 101295A-01) 9.
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Page 15: Verification Procedure
NI PXIe-4150 and PXIe-4151 Calibration Procedure Note Before operating the programmable power supply, short pin 4 to pin 5 on the AUX I/O connector. For more information, refer to Installing the Input and AUX I/O Connector on the PXIe-4151. 7.1.3. - Page 16 Recommended to start with smallest signal level and iterate through test points according to increasing signal level. Repeat 10 times, once for each output Voltage (PXIe-4150). Repeat 8 times, once for each output Voltage (PXIe-4151). Set the DMM to the voltage range according to Table 2.
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Page 17: Current Programming And Measurement Accuracy Verification
NI PXIe-4150 and PXIe-4151 Calibration Procedure 20 V 10 V 10 V PXIe-4151 20 V 20 V 100 V PXIe-4151 60 V 100 mV 100 mV PXIe-4150 60 V 10 V PXIe-4150 60 V 10 V 10 V PXIe-4150 60 V... -
Page 18: Initial Test Connection
NI PXIe-4150 and PXIe-4151 Calibration Procedure Table 3: Test Points/Limits for Current Programming and Measurement Accuracy Verification Test As-Found Test Limit Test DUT Model Range Point Lower Limit Upper Limit – 37.5 μA 37.5 μA 100 mA 25 mA PXIe-4150/4151 –... - Page 19 6. HI Sense signal cable 2. Auxiliary Power Supply 7. HI signal cable from DUT (Positive polarity defined as voltage measured on NI > LO) 3. Auxiliary Power Supply Cable 8. LO Sense signal cable Cal cable – "Banana" (NI 101295A-01) 9.
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Page 20: Verification Procedure Direct To Dmm
NI PXIe-4150 and PXIe-4151 Calibration Procedure Note Before operating the programmable power supply, short pin 4 to pin 5 on the AUX I/O connector. For more information, refer to Installing the Input and AUX I/O Connector on the PXIe-4151. 7.2.3. - Page 21 NI PXIe-4150 and PXIe-4151 Calibration Procedure Commit all settings to DUT. Configure the DMM Set the DMM NPLC to 100. Set digits of resolution to 8.5. Set function to DC Current. Note Recommended to start with smallest signal level and iterate through test points according to increasing signal level.
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Page 22: Test Connection With Shunt
NI PXIe-4150 and PXIe-4151 Calibration Procedure 7.2.4. Test Connection with Shunt Figure 3. Connection with Shunt for Current Programming and Measurement Accuracy Verification © National Instruments Corporation... -
Page 23: Verification Procedure With Shunt
2. Auxiliary Power Supply 9. LO single wire from DUT (Positive polarity defined as voltage measured on NI > LO) connected to Shunt LO current terminal 3. Auxiliary Power Supply Cable 10. LO Sense signal cable connected to Shunt LO current terminal 4. - Page 24 Before using any probes or accessories, ensure that they meet applicable safety requirements for the signal levels you may encounter. Repeat 6 times, once for each output Current (PXIe-4150). Repeat 7 times, once for each output Current (PXIe-4151). Set the level range, limit range, and limit on the DUT.
- Page 25 NI PXIe-4150 and PXIe-4151 Calibration Procedure Table 5: Current Test Point Configuration Expected DUT Range Test Point DMM Range DUT Model DMM Reading 250 mA 2.5 mV 100 mV PXIe-4150/4151 500 mA 5 mV 100 mV PXIe-4150/4151 10 mV 100 mV...
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Page 26: Voltage Load Regulation Verification
NI PXIe-4150 and PXIe-4151 Calibration Procedure 7.3. Voltage Load Regulation Verification 7.3.1. Test Limits Table 6: Test Points/Limits for Voltage Load Regulation Verification Test As-Found Test Limit Source Test Voltage Sense Range Range Point Model Lower Limit Upper Limit Limit... -
Page 27: Initial Test Connection
NI PXIe-4150 and PXIe-4151 Calibration Procedure 7.3.2. Initial Test Connection Figure 4. Initial Connection for Voltage Load Regulation Verification Test 1. DUT Cal Connector – Shorting (NI 101296A-01) 2. Auxiliary Power Supply 5. AUX I/O Connector for DUT 3. Auxiliary Power Supply Cable... -
Page 28: Verification Procedure
NI PXIe-4150 and PXIe-4151 Calibration Procedure 7.3.3. Verification Procedure Reset the DUT. Ensure that the warm-up time is observed for the DUT. Perform self-calibration on the DUT, if required. Follow instructions identified in this procedure regarding self-calibration. Ensure DUT is not generating any signals, and the output is turned off prior to making any connections. -
Page 29: Current Load Regulation Verification
NI PXIe-4150 and PXIe-4151 Calibration Procedure Remote 10 A 2.5 A PXIe-4150 Remote 10 A PXIe-4150 Remote 10 A 10 A PXIe-4150 60 V Remote 10 A 2.5 A PXIe-4150 60 V Remote 10 A PXIe-4150 60 V Remote 10 A... -
Page 30: Initial Test Connection
NI PXIe-4150 and PXIe-4151 Calibration Procedure Table 8: Test Points/Limits for Current Load Regulation Verification Test As-Found Test Limit Source Test DUT Model Range Range Point Lower Limit Upper Limit 100 mA 60 V 15 V PXIe-4150 – 0.03 mA 0.03 mA... -
Page 31: Verification Procedure
NI PXIe-4150 and PXIe-4151 Calibration Procedure Figure 5. Initial Connection for Current Load Regulation Verification Test 1. DUT 3. Auxiliary Power Supply Cable 2. Auxiliary Power Supply 4. AUX I/O Connector for DUT Note Before operating the programmable power supply, short pin 4 to pin 5 on the AUX I/O connector. - Page 32 NI PXIe-4150 and PXIe-4151 Calibration Procedure Perform self-calibration on the DUT, if required. Follow instructions identified in this procedure regarding self-calibration. Ensure DUT is not generating any signals, and the output is turned off prior to making any connections. Set the DUT to DC Voltage function.
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Page 33: Perform Adjustment
NI PXIe-4150 and PXIe-4151 Calibration Procedure 100 mA 20 V PXIe-4151 100 mA 20 V 10 V PXIe-4151 100 mA 20 V 20 V PXIe-4151 20 V PXIe-4151 20 V 10 V PXIe-4151 20 V 20 V PXIe-4151 25 A... -
Page 34: Initialize For Adjust
NI PXIe-4150 and PXIe-4151 Calibration Procedure self-calibration routines as none of them are redundant and are necessary to complete the adjustment procedure. 8.1. Initialize for Adjust Initiate an external calibration session. It is required to keep this session open throughout the entire adjust sequence. After each adjust procedure, commit the new constants to hardware. - Page 35 6. HI Sense signal cable 2. Auxiliary Power Supply 7. HI signal cable from DUT (Positive polarity defined as voltage measured on NI > LO) 3. Auxiliary Power Supply Cable 8. LO Sense signal cable 4. Cal cable – "Banana" (NI 101295A-01) 9.
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Page 36: Adjustment Procedure
NI PXIe-4150 and PXIe-4151 Calibration Procedure Note Before operating the programmable power supply, short pin 4 to pin 5 on the AUX I/O connector. For more information, refer to Installing the Input and AUX I/O Connector on the PXIe-4151. 8.2.2. - Page 37 NI PXIe-4150 and PXIe-4151 Calibration Procedure Set the level of the DUT to the test point according to Table 10. Note Recommended to start with smallest signal level and iterate through test points according to increasing signal level. Table 10: Voltage Test Point Configuration...
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Page 38: Adjusting Current Accuracy Procedure
NI PXIe-4150 and PXIe-4151 Calibration Procedure Figure 9. Cal Adjust Voltage Level vi Execute calibration self-calibration on DUT. This process will update the voltage correction factors, which will impact the current adjustment. Figure 10. Cal Self Calibrate vi 8.3. Adjusting Current Accuracy Procedure 8.3.1. - Page 39 6. HI Sense signal cable 2. Auxiliary Power Supply 7. HI signal cable from DUT (Positive polarity defined as voltage measured on NI > LO) 3. Auxiliary Power Supply Cable 8. LO Sense signal cable 4. Cal cable – "Banana" (NI 101295A-01) 9.
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Page 40: Adjustment Procedure
NI PXIe-4150 and PXIe-4151 Calibration Procedure Note Before operating the programmable power supply, short pin 4 to pin 5 on the AUX I/O connector. For more information, refer to Installing the Input and AUX I/O Connector on the PXIe-4151. 8.3.2. - Page 41 NI PXIe-4150 and PXIe-4151 Calibration Procedure Set the level of the DUT to the test point according to Table 11. Note Recommended to start with smallest signal level and iterate through test points according to increasing signal level. Table 11: Current Test Point Configuration...
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Page 42: Closing Adjustment Session
NI PXIe-4150 and PXIe-4151 Calibration Procedure Figure 12. Cal Adjust Current Limit vi Execute calibration self-calibration on DUT. This process will update the current correction factors, which will impact the commit portion of the adjustment. Figure 13. Cal Self Calibrate vi 8.4. -
Page 43: Perform Reverification
Use either Measurement Automation Explorer (MAX) or NI System Configuration API to set a calibration due date for the DUT or to clear the calibration due date. NI suggests a minimum calibration due date of the date of external calibration plus the recommended external calibration interval. -
Page 44: Revision History
In MAX, navigate to the External Calibration section of the Settings tab to update the Calibration Due Date entry. Alternatively, use the Update Calibration vi in the NI System Configuration API to set the calibration due date. 11. Revision History... - Page 45 NI PXIe-4150 and PXIe-4151 Calibration Procedure Information is subject to change without notice. Refer to the NI Trademarks and Logo Guidelines at ni.com/trademarks for more information on National Instruments trademarks. Other product and company names mentioned herein are trademarks or trade names of their respective companies.
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