National Instruments NI PXI-5105 Calibration Procedure

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CALIBRATION PROCEDURE

NI 5105

This document contains instructions for writing an external calibration procedure for the

NI PXI/PXIe/PCI-5105. For more information about calibration, visit

Contents

Software.................................................................................................................................... 2

Documentation.......................................................................................................................... 3

Password ................................................................................................................................... 4

Calibration Interval................................................................................................................... 4

External Calibration.......................................................................................................... 4

Self-Calibration ................................................................................................................ 4

Test Equipment......................................................................................................................... 5

Calibration Procedures ............................................................................................................. 5

Initial Setup....................................................................................................................... 6

Test Conditions......................................................................................................... 6

Adjust the Digital Clock Manager (DCM) ....................................................................... 6

Self-Calibration ................................................................................................................ 8

MAX......................................................................................................................... 9

NI-SCOPE Soft Front Panel ..................................................................................... 9

NI-SCOPE ................................................................................................................ 9

Verification....................................................................................................................... 10

Vertical Offset Accuracy .......................................................................................... 11

Vertical Gain Accuracy ............................................................................................ 17

Timing Accuracy ...................................................................................................... 22

Bandwidth................................................................................................................. 25

Adjustment........................................................................................................................ 30

Appendix A: Calibration .......................................................................................................... 33

Complete Calibration........................................................................................................ 34

Appendix B: Calibration Utilities............................................................................................. 35

MAX................................................................................................................................. 35

NI-SCOPE ........................................................................................................................ 35

Where to Go for Support .......................................................................................................... 36

ni.com/calibration

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Page 1: Table Of Contents
CALIBRATION PROCEDURE NI 5105 This document contains instructions for writing an external calibration procedure for the NI PXI/PXIe/PCI-5105. For more information about calibration, visit ni.com/calibration Contents Software............................ 2 Documentation.......................... 3 Password ........................... 4 Calibration Interval........................4 External Calibration......................4 Self-Calibration ........................ 4 Test Equipment.........................
Page 2: Software
Software To calibrate the NI 5105, install the following versions of NI-SCOPE. Table 1. Required Software for NI 5105 Calibration Device NI-SCOPE Version NI PXI-5105 3.1 or later NI PCI-5105 3.2 or later NI PXIe-5105 14.1 or later You can download NI-SCOPE from the Instrument Driver Network at ni.com/idnet...
Page 3: Documentation
NI 5105 Specifications Contains: NI PXI/PXIe/PCI-5105 specifications and calibration intervals NI-SCOPE Readme Contains: Operating system and application software support in NI-SCOPE NI High-Speed Digitizers Help Contains: Detailed information about the NI PXI/PXIe/PCI-5105 NI 5105 Calibration Procedure | © National Instruments | 3...
Page 4: Password
NI-SCOPE LabVIEW Reference Help Contains: LabVIEW programming concepts and reference information about NI-SCOPE VIs and functions NI-SCOPE Function Reference Help Contains: Reference information for NI-SCOPE C functions and NI-SCOPE C properties Password The default calibration password is Calibration Interval External Calibration The external calibration interval for the NI 5105 is two years;...
Page 5: Test Equipment
EEPROM to allow traceability. Reverification—Repeat the verification procedure to ensure that the device is operating within its specifications after adjustment. These steps are described in more detail in the following sections. NI 5105 Calibration Procedure | © National Instruments | 5...
Page 6: Initial Setup
In some cases, the complete calibration procedure may not be required. Refer Note Appendix A: Calibration for more information. Initial Setup Refer to the NI High-Speed Digitizers Getting Started Guide for information about how to install the software and hardware, and how to configure the device in MAX. Test Conditions Follow these guidelines to optimize the connections and the environment during calibration: •...
Page 7 "" (empty string) stimulusFreq: The input frequency in Table 4 for the current iteration Repeat steps 2 through 4 for each iteration listed in Table 4. NI 5105 Calibration Procedure | © National Instruments | 7...
Page 8: Self-Calibration
End the session and save the results using the niScope Cal End VI. LabVIEW VI C/C++ Function Call Call with the niScope_CalEnd following parameters: sessionHandle: The session handle from niScope_CalStart action: NISCOPE_VAL_ACTION_STORE Perform a self-calibration on the device after adjusting the DCM. Table 4.
Page 9: Max
Disconnect or disable any AC inputs to the device. Open a session and obtain a session handle using the niScope Initialize VI. Throughout the procedure, refer to the C/C++ function call parameters for the Note LabVIEW input values. NI 5105 Calibration Procedure | © National Instruments | 9...
Page 10: Verification
LabVIEW VI C/C++ Function Call Call with the niScope_init following parameters: resourceName: The device name assigned by MAX idQuery: VI_FALSE resetDevice: VI_TRUE Self-calibrate the device using niScope Cal Self Calibrate VI. LabVIEW VI C/C++ Function Call Call niScope_CalSelf with the Calibrate following parameters: vi: The instrument handle from...
Page 11: Vertical Offset Accuracy
Throughout the procedure, refer to the C/C++ function call parameters for the Note LabVIEW input values. LabVIEW VI C/C++ Function Call Call with the niScope_init following parameters: resourceName: The device name assigned by MAX idQuery: VI_FALSE resetDevice: VI_TRUE NI 5105 Calibration Procedure | © National Instruments | 11...
Page 12 Configure the input impedance and the maximum input frequency using the niScope Configure Chan Characteristics VI. LabVIEW VI C/C++ Function Call Call niScope_ConfigureChan with the Characteristics following parameters: vi: The instrument handle from niScope_init channelList: The name of the channel being tested inputImpedance: The Input Impedance value listed in Table 5 for the current iteration...
Page 13 Wait 500 ms for the calibrator to ground its output. Initiate a waveform acquisition using the niScope Initiate Acquisition VI. LabVIEW VI C/C++ Function Call Call niScope_Initiate with the Acquisition following parameter: vi: The instrument handle from niScope_init NI 5105 Calibration Procedure | © National Instruments | 13...
Page 14 Fetch a waveform from the device and perform a voltage average measurement using the niScope Fetch Measurement Poly VI. Select the Measurement Scalar DBL instance of the VI. LabVIEW VI C/C++ Function Call Call niScope_Fetch with the Measurement following parameters: timeout: vi: The instrument handle from niScope_init...
Page 15 Table 5. NI 5105 Vertical Offset Accuracy Limits Calibration Test Limits (V) Published Specification (V) Max Input Input Frequency Impedance Iteration (MHz) Range (V) (Ohms) PXI/PXIe-5105 PCI-5105 PXI/PXIe-5105 PCI-5105 0.05 ±0.00055 ±0.0015 ±0.000725 ±0.001525 0.20 ±0.0009 ±0.0018 ±0.0011 ±0.0019 1.00 ±0.0026 ±0.0034 ±0.0031...
Page 16 Table 5. NI 5105 Vertical Offset Accuracy Limits Calibration Test Limits (V) Published Specification (V) Max Input Input Frequency Impedance Iteration (MHz) Range (V) (Ohms) PXI/PXIe-5105 PCI-5105 PXI/PXIe-5105 PCI-5105 6.00 1,000,000 ±0.0108 ±0.0134 ±0.0156 ±0.0164 30.00 1,000,000 ±0.0606 ±0.0614 ±0.0756 ±0.0764...
Page 17: Vertical Gain Accuracy
The Input Impedance value listed in Table 6 for the current iteration maxInputFrequency: The Max Input Frequency value listed in Table 6 for the current iteration NI 5105 Calibration Procedure | © National Instruments | 17...
Page 18 Configure the common vertical properties using the niScope Configure Vertical VI. LabVIEW VI C/C++ Function Call Call niScope_ConfigureVerti with the following parameters: coupling: NISCOPE_VAL_DC probeAttenuation: vi: The instrument handle from niScope_init channelList: The name of the channel being tested range: The Range value listed in Table 6 for the current iteration offset: enabled:...
Page 19 11. Wait 2,500 ms for the impedance matching and frequency of the calibrator to settle. 12. Initiate a waveform acquisition using the niScope Initiated Acquisition VI. LabVIEW VI C/C++ Function Call Call niScope_Initiate with the Acquisition following parameter: vi: The instrument handle from niScope_init NI 5105 Calibration Procedure | © National Instruments | 19...
Page 20 13. Fetch a waveform from the device and perform a voltage average measurement using the niScope Fetch Measurement Poly VI. Select the Measurement Scalar DBL instance of the VI. This value is the Measured Negative Voltage used in step 14. LabVIEW VI C/C++ Function Call Call...
Page 21 Table 6. NI 5105 Vertical Gain Accuracy Stimuli, Calibration Test Limits, and Published Specifications Max Input Input Impedance Positive Input Negative Calibration Published Iteration Frequency (MHz) Range (V) (Ohms) Input (V) Test Limits (V) Specification (V) 0.05 1,000,000 0.0225 0.0225 ±0.60% ±1.00% 0.20...
Page 22: Timing Accuracy
Timing Accuracy Complete the following steps to verify the timing accuracy for the NI 5105: Open a session and obtain a session handle using the niScope Initialize VI. LabVIEW VI C/C++ Function Call Call with the niScope_init following parameters: resourceName: The device name assigned by MAX idQuery: VI_FALSE...
Page 23 Wait 2,500 ms for the impedance matching and frequency of the calibrator to settle. Initiate a waveform acquisition using the niScope Initiate Acquisition VI. LabVIEW VI C/C++ Function Call Call niScope_Initiate with the Acquisition following parameter: vi: The instrument handle from niScope_init NI 5105 Calibration Procedure | © National Instruments | 23...
Page 24 Retrieve a waveform using the niScope Fetch (poly) VI. Select the WDT instance of the VI. Use the default value for the timestamp Type parameter. LabVIEW VI C/C++ Function Call Call niScope_Fetch with the Measurement following parameters: timeout: vi: The instrument handle from niScope_init channelList: "0"...
Page 25: Bandwidth
Open a session and obtain a session handle using the niScope Initialize VI. LabVIEW VI C/C++ Function Call Call with the niScope_init following parameters: resourceName: The device name assigned by MAX idQuery: VI_FALSE resetDevice: VI_TRUE NI 5105 Calibration Procedure | © National Instruments | 25...
Page 26 Configure the input impedance and the maximum input frequency using the niScope Configure Chan Characteristics VI. LabVIEW VI C/C++ Function Call Call niScope_ConfigureChan with the Characteristics following parameters: vi: The instrument handle from niScope_init channelList: The name of the channel being tested inputImpedance: NISCOPE_VAL_50_OHM maxInputFrequency: The Max...
Page 27 Wait 2,500 ms for the impedance matching and frequency of the calibrator to settle. Initiate a waveform acquisition using the niScope Initiate Acquisition VI. LabVIEW VI C/C++ Function Call Call niScope_Initiate with the Acquisition following parameter: vi: The instrument handle from niScope_init NI 5105 Calibration Procedure | © National Instruments | 27...
Page 28 Fetch a waveform from the device and perform a voltage RMS measurement using the niScope Fetch Measurement Poly VI. Select the Measurement Scalar DBL instance of the VI. This value is the Measured RMS Voltage of 50 kHz Sine Wave, which is used in step 15. LabVIEW VI C/C++ Function Call Call...
Page 29 18. End the session using the niScope Close VI. LabVIEW VI C/C++ Function Call Call with the niScope_close following parameters: vi: The instrument handle from niScope_init NI 5105 Calibration Procedure | © National Instruments | 29...
Page 30: Adjustment
Table 8. NI 5105 Bandwidth Limits Published Specifications Max Input Input Frequency Range Frequency Iteration (MHz) (MHz) Max (dB) Min (dB) 0.05 54.9 0.20 59.9 1.00 59.9 6.00 59.9 1.00 22.4 1.00 29.9 Published specifications value listed for validation of noise filter only. The specification is not included in the device specifications document.
Page 31 LabVIEW VI C/C++ Function Call Call niScope_Cal with the AdjustVCXO following parameters: sessionHandle: The session handle from niScope_CalStart stimulusFreq: 3,000,000 The 3 MHz stimulus is automatically taken from channel 0. Note NI 5105 Calibration Procedure | © National Instruments | 31...
Page 32 Disconnect or disable all inputs to the device. 10. Self-calibrate the device using the niScope Cal Self Calibrate VI. LabVIEW VI C/C++ Function Call Call niScope_CalSelf with the Calibrate following parameters: session handle: The instrument handle from niScope_CalStart channelList: VI_NULL option: VI_NULL 11.
Page 33: Appendix A: Calibration
If some measurement errors determined during verification do not fall within the published specifications, you must perform an adjustment to restore the device operation to its published specifications. Complete Calibration section describes the recommended calibration procedure. NI 5105 Calibration Procedure | © National Instruments | 33...
Page 34: Complete Calibration
Complete Calibration Perform a complete calibration to guarantee that the NI 5105 meets or exceeds its published specifications for a two-year calibration interval. At the end of the complete calibration procedure, verify that the measurement error falls within the calibration test limits. Figure 1 shows the programming flow for a complete calibration.
Page 35: Appendix B: Calibration Utilities
Cal Fetch Date VI ( niScope_CalFetchDate • niScope Cal Fetch Misc Info VI ( niScope_CalFetchMiscInfo • niScope Cal Fetch Temperature VI ( niScope_CalFetchTemperature • niScope Cal Store Misc Info VI ( niScope_CalStoreMiscInfo NI 5105 Calibration Procedure | © National Instruments | 35...
Page 36: Where To Go For Support
NI product. Refer to the Export Compliance Information at ni.com/legal/export-compliance for the National Instruments 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.

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National Instruments NI PXI-5105 Calibration Procedure

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