External calibration, External calibration -13 – National Instruments Isolated Analog Input Device NI PXI-4224 User Manual

Page 49

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Chapter 5

Using the NI PXI-4224

© National Instruments Corporation

5-13

NI PXI-4224 User Manual

4.

Right-click the NI PXI-4224 and select Self-Calibrate.

5.

A dialog box opens indicating that the NI PXI-4224 is self-calibrating.

6.

When the dialog box closes, the NI PXI-4224 is successfully
self-calibrated.

Note

The NI PXI-4224 also can be self-calibrated programmatically by using

DAQmx

Self Calibrate.vi

in LabVIEW.

The results of an internal calibration are stored in the NI PXI-4224 flash
memory so that the CalDACs are automatically loaded with the newly
calculated calibration constants the next time the NI PXI-4224 is
powered on.

Performing a self-calibration at the operating temperature of your
application will ensure the NI PXI-4224 meets the specifications in
Appendix A,

Specifications

.

External Calibration

You can download all available external calibration documents by going to

ni.com/calibration

and clicking Manual Calibration Procedures.

NI recommends you perform an external calibration once a year.

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