Digital Output >> Output Drive Type

NI-DAQmx C Reference Help

Edition Date: January 2019

Part Number: 370471AM-01

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Data Type: int32
Description: Specifies the drive type for digital output channels.


Valid values

DAQmx_Val_ActiveDrive 12573 Drive the output pin to approximately 0 V for logic low and +3.3 V or +5 V, depending on the device, for logic high.
DAQmx_Val_OpenCollector 12574 Drive the output pin to 0 V for logic low. For logic high, the output driver assumes a high-impedance state and does not drive a voltage.



You can get/set/reset this property using:

  DAQmxGetDOOutputDriveType

  DAQmxSetDOOutputDriveType

  DAQmxResetDOOutputDriveType

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