National Instruments NI PXI-5422 Manual de usuario descargar pdf (Pagina 57)

• vi: The session handle returned from niFgen_InitExtCal

• channelName: "0"

• attributeID: NIFGEN_ATTR_OUTPUT_ENABLED

• value: VI_TRUE

11. Call niFgen_Commit (niFgen Commit VI) to commit the attribute

values to the device using the following parameter:

• vi: The session handle returned from

niFgen_InitExtCal

12. Wait 500 ms for the output to settle.

13. Call

niFgen_SetAttributeViInt32 to set the calibration ADC

input (niFgen property node: Calibration»Cal ADC Input) using

the following parameters:

• vi: The session handle returned from

niFgen_InitExtCal

• channelName: "" (empty string)

• attributeID:

NIFGEN_ATTR_CAL_ADC_INPUT

• value: NIFGEN_VAL_ANALOG_OUTPUT

14. Call niFgen_WriteBinary16AnalogStaticValue (niFgen Write

Binary 16 Analog Static Value VI) to set the main DAC value using

the following parameters:

• vi: The session handle returned from

niFgen_InitExtCal

• channelName:

"0"

• value: 27232

15. Call niFgen_SetAttributeViBoolean to disable the analog

output (niFgen property node: Basic Operation»Output Enabled)

using the following parameters:

• vi: The session handle returned from

niFgen_InitExtCal

• channelName: "0"

• attributeID: NIFGEN_ATTR_OUTPUT_ENABLED

• value: VI_FALSE

16. Call niFgen_Commit (niFgen Commit VI) to commit the attribute

values to the device using the following parameter:

• vi: The session handle returned from

niFgen_InitExtCal

17. Wait 500 ms for the output to settle.

18. Call niFgen_ReadCalADC (niFgen Read CAL ADC VI) to measure

the analog output voltage with the onboard calibration ADC using the

following parameters:

• vi: The session handle returned from

niFgen_InitExtCal

• numberOfReadsToAverage: 3

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National Instruments NI PXI-5422 Manual de usuario Pagina 57

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