Analog Input >> General Properties >> Input Configuration >> Coupling

NI-DAQmx C Reference Help

Edition Date: January 2019

Part Number: 370471AM-01

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Data Type: int32
Description: Specifies the coupling for the channel.


Valid values

DAQmx_Val_AC 10045 Remove the DC offset from the signal.
DAQmx_Val_DC 10050 Allow NI-DAQmx to measure all of the signal.
DAQmx_Val_GND 10066 Remove the signal from the measurement and measure only ground.



You can get/set/reset this property using:

  DAQmxGetAICoupling

  DAQmxSetAICoupling

  DAQmxResetAICoupling

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