Analog Input >> General Properties >> Signal Conditioning >> Excitation >> Source

NI-DAQmx C Reference Help

Edition Date: January 2019

Part Number: 370471AM-01

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Data Type: int32
Description: Specifies the source of excitation.


Valid values

DAQmx_Val_Internal 10200 Use the built-in excitation source of the device. If you select this value, you must specify the amount of excitation.
DAQmx_Val_External 10167 Use an excitation source other than the built-in excitation source of the device. If you select this value, you must specify the amount of excitation.
DAQmx_Val_None 10230 Supply no excitation to the channel.



You can get/set/reset this property using:

  DAQmxGetAIExcitSrc

  DAQmxSetAIExcitSrc

  DAQmxResetAIExcitSrc

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