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NI PXI-4130 Calibration Procedure

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© National Instruments

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Summary of Contents for PXI-4130

Page 1: ...bration Procedures 5 Initial Setup 5 Verification 6 Verifying Voltage Programming Accuracy 8 Verifying Voltage Measurement Accuracy 10 Verifying Current Programming Accuracy 11 Verifying Current Measu...

Page 2: ...d SMUs Help The NI DC Power Supplies and SMUs Help is accessible at Start All Programs National Instruments NI DCPower Documentation NI DC Power Supplies and SMUs Help Table 1 Calibration File Locatio...

Page 3: ...f your application Refer to Where to Go for Support for more information NI DC Power Supplies and SMUs Getting Started Guide Contains instructions for NI DCPower installation hardware installation and...

Page 4: ...empty slots contain filler panels For more information refer to the Maintain Forced Air Cooling Note to Users document available at ni com manuals Keep relative humidity between 10 and 90 noncondensin...

Page 5: ...s whether the device is operating within its specified range prior to calibration 3 Adjustment Perform an external adjustment of the device that adjusts the calibration constants with respect to a kno...

Page 6: ...Voltage programming accuracy Voltage measurement accuracy Current programming accuracy Current measurement accuracy Voltage load regulation Current load regulation Voltage line regulation Current line...

Page 7: ...ation for Current Programming and Measurement Verification Adjustment NI 4130 DMM Calibrator Resistance Channel Range Function Range Input Impedance Resolution in Digits 0 1 A DC Current 1 A N A 6 5 N...

Page 8: ...sure with the DMM to complete verification Take voltage measurements using the DMM at each test point and compare the result to the programmed voltage value from the Output column of Table 5 to calcul...

Page 9: ...ming Accuracy Verification Channel Voltage Level Range V Iteration Output V Test Limit mV 0 6 1 0 4 00 2 1 5 4 75 3 3 5 50 4 4 5 6 25 5 6 7 00 1 6 1 0 1 50 2 1 5 2 01 3 3 2 52 4 4 5 3 03 5 6 3 54 6 1...

Page 10: ...er test limits using the gain and offset listed in the Test Limit column for the iteration of channel x in Table 6 Table 6 lists tolerances instead of absolute limits because the test limit is based o...

Page 11: ...t by the DMM Connect an NI APS 4100 auxiliary power supply for this verification procedure Refer to Figure 3 and Figure 4 for the necessary connections Table 6 NI 4130 Output Parameters and Test Limit...

Page 12: ...m the NI 4130 in DC Voltage mode and measure with the DMM to complete verification For each iteration set the current limit of the NI 4130 to the value in the Output column of Table 7 To ensure the sy...

Page 13: ...he Output value for the iteration of channel x in Table 7 from the output current calculated above to obtain the output error Compare the output error to the Test Limit for the iteration of channel x...

Page 14: ...2 00 mA 1 60 A 20 mA 20 V 1 0 40 mA 10 1 A 2 5 00 mA 11 5 A 3 10 0 mA 13 0 A 4 15 0 mA 14 5 A 1 20 mA 20 V 20 V 5 20 0 mA 16 0 A 20 V 6 0 40 mA 10 1 A 7 5 00 mA 11 5 A 8 10 0 mA 13 0 A 9 15 0 mA 14 5...

Page 15: ...130 mA 9 150 mA 0 145 mA 10 200 mA 0 160 mA 2 A 20 V 1 40 0 mA 1 05 mA 2 0 5 A 1 60 mA 3 1 0 A 2 70 mA 4 1 5 A 4 68 mA 5 2 0 A 8 40 mA 20 V 6 40 0 mA 1 05 mA 7 0 5 A 1 60 mA 8 1 0 A 2 70 mA 9 1 5 A 4...

Page 16: ...tput values other than 0 connect the NI 4130 channel x to the DMM or to the Fluke 5700A 5720A 5730A calibrator as illustrated in Figure 3 or Figure 4 When applicable configure the Fluke 5700 5720A 573...

Page 17: ...it Range Voltage Level Range V Voltage Level V Iteration Output Test Limit of reading offset 0 1 A 6 0 1 350 mA 0 15 4 mA1 6 2 350 mA 3 700 mA 1 200 A 20 0 1 50 0 A 0 03 0 02 A 20 2 50 0 A 3 0 10 mA 4...

Page 18: ...0 03 2 0 A 8 15 0 mA 9 20 0 mA 200 mA 0 1 50 0 mA 0 03 40 A 20 2 50 0 mA 3 100 mA 4 150 mA 5 200 mA 20 6 50 0 mA 7 100 mA 8 150 mA 9 200 mA Table 8 NI 4130 Output Parameters and Test Limits for Curren...

Page 19: ...ment Verification or Current Measurement Verification steps may result in a failure of the Load Regulation Verification steps Connect the NI APS 4100 to the Aux Power Input connections for load regula...

Page 20: ...ram 1 For each test connect the first specified resistance R1 to the specified channel of the NI 4130 2 While taking a current measurement with the NI 4130 I1 use the DMM to measure the voltage across...

Page 21: ...ents 21 Table 10 NI 4130 Voltage Load Regulation Verification Points Channel V Range V Level I Range I Limit Load R 1 Load R 2 Measured Voltage Change Limit V Voltage Change V I 1 A V 1 V I 2 A V 2 V...

Page 22: ...rification Connection Diagram Complete the following steps to verify current load regulation 1 For each test connect the first specified resistance R1 to the specified channel of the NI 4130 2 While t...

Page 23: ...ments I1 I2 to calculate the Current Change The test passes if the Current Change falls within the calculated Current Change Limit Table 11 NI 4130 Current Load Regulation Current Change Limit Formula...

Page 24: ...el V Range I Range V Limit I Level Load R 1 Load R 2 Measured Current Change Limit A Current Change A I 1 A V 1 V I 2 A V 2 V 0 6 V 1 A 6 V 500 mA 10 4 1 20 V 200 A 20 V 100 A 180 k 20 k 1 20 V 2 mA 2...

Page 25: ...ning these measurement accuracy tests Voltage Line Regulation To verify voltage line regulation use the NI PXI 4130 in constant voltage mode and confirm that the output voltage change falls within cal...

Page 26: ...ange Limit using the formula in Table 13 7 Subtract the two voltage measurements V1 V2 to calculate the Voltage Change The test passes if the Voltage Change falls within the calculated Voltage Change...

Page 27: ...tional Instruments 27 Table 14 NI PXI 4130 Voltage Line Regulation Verification Points Channel V Range V Level I Range I Limit V ext1 V ext2 Measured Voltage Change Limit V Voltage Change V V 1 V V 2...

Page 28: ...ble 16 2 Set the NI 4130 to output the current specified in Table 16 3 Use the DMM to measure the current across the output of the specified channel of the NI 4130 I1 4 Change the external variable po...

Page 29: ...the calculated Current Change Limit Table 16 NI 4130 Current Line Regulation Verification Points Channel V Range I Range V Limit I Level V ext1 V ext2 Measured Current Change Limit A Current Change A...

Page 30: ...it of 100 mA generate 10 V in the 20 V range 4 Measure the HI Lead Drop with the DMM DMM Measurement 1 from the HI terminal of the NI 4130 to the HI side of the 1 k resistor 5 Measure the LO Lead Drop...

Page 31: ...ruments 31 Table 17 NI 4130 Remote Sense Output Verification Points V Range V Level I Range I Limit Measured Load Voltage V Measured HI Lead Drop V Measured LO Lead Drop Load Voltage Upper Limit V Loa...

Page 32: ...wer_InitExtCal function to initiate a special type of NI DCPower session The default calibration password is NI 2 Configure the instrument Call a series of standard NI DCPower VIs functions specific t...

Page 33: ...to skip adjustment run the niDCPower Initialize External Calibration VI and end with the niDCPower Close External Calibration VI with action set to Commit to update the calibration date and onboard c...

Page 34: ...8 NI 4130 Output Parameters for Voltage Programming Accuracy Adjustment Channel Iteration Voltage Level Range V Output Current Limit A 0 1 6 0 V 0 5 2 3 V 3 6 V 1 1 6 1 mV 2 3 V 3 6 V 4 0 1 mV 5 3 V 6...

Page 35: ...measurement with the DMM Set the Samples to Average property to 300 Use the niDCPower Cal Adjust Voltage Measurement VI niDCPower_ CalAdjustVoltageMeasurement function to calculate the new calibratio...

Page 36: ...tage measurement you recorded with the DMM by the resistance measurement you recorded from the calibrator to calculate the output current For the 1 A current range of channel 0 and the 2 A current ran...

Page 37: ...acy Adjustment Channel Current Limit Range Voltage Level Range Voltage Level Iteration Output 0 1 A 6 V 6 V 1 20 mA 2 350 mA 3 700 mA 1 200 A 20 V 20 V 1 2 00 A 2 24 0 A 3 46 0 A 4 68 0 A 5 90 0 A 6 1...

Page 38: ...10 2 00 mA 20 V 11 20 0 A 12 0 240 mA 13 0 460 mA 14 0 680 mA 15 0 900 mA 16 1 12 mA 17 1 34 mA 18 1 56 mA 19 1 78 mA 20 2 00 mA 20 mA 20 V 1 0 200 mA 2 2 40 mA 3 4 60 mA Table 20 NI 4130 Output Param...

Page 39: ...A 9 17 8 mA 10 20 0 mA 20 V 11 0 200 mA 12 2 40 mA 13 4 60 mA 14 6 80 mA 15 9 00 mA 16 11 2 mA 17 13 4 mA 18 15 6 mA 19 17 8 mA 20 20 0 mA Table 20 NI 4130 Output Parameters and Test Limits for Curren...

Page 40: ...0 0 mA 6 112 mA 7 134 mA 8 156 mA 9 178 mA 10 200 mA 20 V 11 2 00 mA 12 24 0 mA 13 46 0 mA 14 68 0 mA 15 90 0 mA 16 112 mA Table 20 NI 4130 Output Parameters and Test Limits for Current Programming Ac...

Page 41: ...4 680 mA 5 900 mA 6 1 12 A 7 1 34 A 8 1 56 A 9 1 78 A 10 2 00 A 20 V 11 20 0 mA 12 240 mA 13 460 mA 14 680 mA 15 900 mA 16 1 12 A 17 1 34 A 18 1 56 A 19 1 78 A 20 2 00 A Table 20 NI 4130 Output Parame...

Page 42: ...function to calculate the new calibration coefficients Call this VI or function once per range For the 200 A 2 mA 20 mA and 200 mA current ranges of channel 1 divide the voltage measurement you recor...

Page 43: ...Measurement Accuracy Adjustment Channel Current Limit Range Voltage Level Range Voltage Level Iteration Output 0 1 A 6 V 0 V 1 350 mA 6 V 2 350 mA 3 700 mA 1 200 A 20 V 0 V 1 200 A 20 V 2 20 V 3 2 mA...

Page 44: ...is your complete resource for technical support At ni com support you have access to everything from troubleshooting and application development self help resources to email and phone assistance from...

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