National Instruments PXIe-4353 Calibration Procedure
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National Instruments PXIe-4353 Calibration Procedure

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CALIBRATION PROCEDURE
NI PXIe-4353
This document contains information about verifying and adjusting National Instruments NI PXIe-4353
modules using NI-DAQmx 9.3 and later. It also contains information about verifying systems that
include both the NI PXIe-4353 and TB-4353. For more information about calibration, visit
ni.com/calibration
Contents
Software ............................................................................................................................................... 1
Documentation..................................................................................................................................... 2
Calibration Interval .............................................................................................................................. 2
Test Equipment .................................................................................................................................... 2
Test Conditions .................................................................................................................................... 3
NI PXIe-4353 Calibration Procedure .................................................................................................. 3
Initial Setup for the NI PXIe-4353 .............................................................................................. 4
Verifying Module Operating Temperature Changes ................................................................... 4
Verification Procedure................................................................................................................. 5
Analog Input Voltage Accuracy Verification...................................................................... 5
Analog Input Offset Verification......................................................................................... 7
CJC Resistance Accuracy Verification................................................................................ 8
Module Calibration Adjustment .................................................................................................. 10
Test Limits ........................................................................................................................................... 13
Module Verification Test Limit Tables ....................................................................................... 13
Where to Go for Support ..................................................................................................................... 15

Software

Install NI-DAQmx 9.3 or later on the calibration computer. NI-DAQmx includes high-level function
calls to simplify the task of writing software to calibrate modules. You must have the proper module
driver installed on the calibration system before calibrating the module.
Note
NI recommends that you install the NI-DAQmx driver software before physically installing
the NI PXIe-4353. NI-DAQmx, available at
NI PXIe-4353.
NI-DAQmx supports a number of programming languages, including LabVIEW, LabWindows
C/C++, C#, and Visual Basic .NET.
You can access the NI-DAQmx header file,
examples of how to use the NI-DAQmx driver by entering the Info Code
ni.com/info
Français
Deutsch
ni.com/manuals
.
there you will find the topic Where Can I Find NI-DAQmx Examples?
ni.com/downloads
, like any standard library. You can find
NIDAQmx.h
, configures and controls the
™
at
NIDAQmxExLoc
™
/CVI
,

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Summary of Contents for National Instruments PXIe-4353

  • Page 1: Table Of Contents

    This document contains information about verifying and adjusting National Instruments NI PXIe-4353 modules using NI-DAQmx 9.3 and later. It also contains information about verifying systems that include both the NI PXIe-4353 and TB-4353. For more information about calibration, visit ni.com/calibration Contents Software ...............................

  • Page 2: Documentation

    The NI-DAQmx C Reference Help includes information about the functions in the driver. Calibration Interval National Instruments recommends a calibration interval of one year for the NI PXIe-4353. You should adjust the recommended calibration interval based on the measurement accuracy demands of your application.

  • Page 3: Test Conditions

    • Keep relative humidity below 80%. • Allow a warm-up time of 15 minutes to ensure that the measurement circuitry of the NI PXIe-4353 and CAL-4353 are at a stable operating temperature. Note If you are using the Fluke 5520A, allow the calibrator to warm up for 30 minutes and maintain an ambient temperature of 23 °C ±3 °C.

  • Page 4: Initial Setup For The Ni Pxie-4353

    Expand Devices and Interfaces to confirm that MAX detects the module and terminal block. The terminal block should appear beneath its associated module. Right-click NI PXIe-4353 and select Self-Test to ensure that the module is working properly. Note You can also perform the self-test operation programmatically, using the DAQmx Self-Test Device VI or the equivalent C/.NET functionality.

  • Page 5: Verification Procedure

    Verification Procedure This section provides instructions for verifying the NI PXIe-4353 specifications. Tables 4 through 7 in the Test Limits section show all acceptable settings for the module. Throughout the verification process, use Tables 4 through 7 to determine if the module is operating within its specified range.
  • Page 6 Table 4. Configure the timing properties for a finite voltage acquisition. Refer to Table 2. Table 2. DAQmx Timing Function Rate and Samples per Channel Timing Mode Rate (S/s) Samples per Channel 10. Start the acquisition. NI PXIe-4353 Calibration Procedure ni.com...

  • Page 7: Analog Input Offset Verification

    11. Acquire the voltage data. Note Make sure the calibrator and the NI PXIe-4353 are completely settled at the desired voltage before acquiring data. When using the Fluke 5520A, wait at least 5000 ms for the system to settle before issuing the start task command to the NI PXIe-4353.

  • Page 8: Cjc Resistance Accuracy Verification

    Set the ADC timing mode property to Custom and set the ADC custom timing mode property to a value from the first column of Table 3. Use Table 3 to determine which timing mode to select. NI PXIe-4353 Calibration Procedure ni.com...
  • Page 9 10. Acquire the voltage data. Note Make sure that the calibrator and the NI PXIe-4353 are completely settled on the desired resistance before acquiring data. When using the Fluke 5520A, wait at least 5000 ms for the system to settle before issuing the start task function to the NI PXIe-4353.

  • Page 10: Module Calibration Adjustment

    On the front panel, set the output voltage to 2.0 V. Press the 3.3 V Auto button, which will display 3.3 V locked. The output will no longer auto-range. Set the output to the desired voltage level using Table 4. NI PXIe-4353 Calibration Procedure ni.com...
  • Page 11 DAQmxConnectSCExpressCalAccChans following parameters: calHandle: calHandle channelNames: Dev1/_cjtemp0 connection: _cjc_calibration 12. Set the calibrator to resistance mode. Set the calibrator resistance to 32.4 kΩ and wait for the calibrator output to settle. © National Instruments NI PXIe-4353 Calibration Procedure...
  • Page 12 18. Disconnect the calibrator from the module. Note Partial adjustment of only the TC channels is possible by omitting steps 10 through 16. Partial adjustment of only the CJC channels is possible by omitting steps 3 through 9. NI PXIe-4353 Calibration Procedure ni.com...

  • Page 13: Test Limits

    Test Limits Tables 4 through 7 list the specifications that the NI PXIe-4353 module or NI PXIe-4353 and TB-4353 system should meet if it has been one year between calibrations. The following definitions describe how to use the information from these tables: •...
  • Page 14 Table 5. NI PXIe-4353 Offset with Autozero Enabled Verification Test Limits Test Point 1-Year Limits (V) Timing Mode Location Value (V) Lower Limit Upper Limit 1 (High Resolution) 0.000000 –0.000002 0.000002 –0.000002 0.000002 –0.000002 0.000002 –0.000003 0.000003 –0.000005 0.000005 –0.0000065 0.0000065...

  • Page 15: Where To Go For Support

    National Instruments corporate headquarters is located at 11500 North Mopac Expressway, Austin, Texas, 78759-3504. National Instruments also has offices located around the world to help address your support needs. For telephone support in the United States, create your service request at ni.com/...
  • Page 16 CVI, LabVIEW, National Instruments, NI, ni.com, the National Instruments corporate logo, and the Eagle logo are trademarks of National Instruments Corporation. Refer to the Trademark Information at ni.com/trademarks for other National Instruments trademarks. The mark LabWindows is used under a license from Microsoft Corporation. Windows is a registered trademark of Microsoft Corporation in the United States and other countries.

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