Counter Input >> Position >> Z Index Phase

NI-DAQmx C Reference Help

Edition Date: January 2019

Part Number: 370471AM-01

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Data Type: int32
Description: Specifies the states at which signal A and signal B must be while signal Z is high for NI-DAQmx to reset the measurement. If signal Z is never high while signal A and signal B are high, for example, you must choose a phase other than DAQmx_Val_AHighBHigh.

When signal Z transitions to high and how long it stays high varies from encoder to encoder. Refer to the documentation for the encoder to determine the timing of signal Z with respect to signal A and signal B.



Valid values

DAQmx_Val_AHighBHigh 10040 Reset the measurement when signal A and signal B are high.
DAQmx_Val_AHighBLow 10041 Reset the measurement when signal A is high and signal B is low.
DAQmx_Val_ALowBHigh 10042 Reset the measurement when signal A is low and signal B high.
DAQmx_Val_ALowBLow 10043 Reset the measurement when signal A and signal B are low.



You can get/set/reset this property using:

  DAQmxGetCIEncoderZIndexPhase

  DAQmxSetCIEncoderZIndexPhase

  DAQmxResetCIEncoderZIndexPhase

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