Change Detection >> Digital Input >> Falling Edge Physical Channels

NI-DAQmx C Reference Help

Edition Date: January 2019

Part Number: 370471AM-01

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Data Type: char*
Description: Specifies the names of the digital lines or ports on which to detect falling edges. The lines or ports must be used by virtual channels in the task. You also can specify a string that contains a list or range of digital lines or ports.


You can get/set/reset this property using:

  DAQmxGetChangeDetectDIFallingEdgePhysicalChans

  DAQmxSetChangeDetectDIFallingEdgePhysicalChans

  DAQmxResetChangeDetectDIFallingEdgePhysicalChans

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