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

NI-DAQmx C Properties

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

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