NI-DAQ™mx C Reference

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Product DocumentationNI-DAQ™mx C ReferenceCounter Input >> Period >> Measurement Specifications >> MethodCurrent page
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Counter Input >> Period >> Measurement Specifications >> Method

Counter Input >> Period >> Measurement Specifications >> Method

Data Type: int32
Description: Specifies the method to use to measure the period of the signal.

Valid values

DAQmx_Val_LowFreq1Ctr 10105 Use one counter that uses a constant timebase to measure the input signal.
DAQmx_Val_HighFreq2Ctr 10157 Use two counters, one of which counts pulses of the signal to measure during the specified measurement time.
DAQmx_Val_LargeRng2Ctr 10205 Use one counter to divide the frequency of the input signal to create a lower-frequency signal that the second counter can more easily measure.
DAQmx_Val_DynAvg 16065 Uses one counter with configuration options to control the amount of averaging or filtering applied to the counter measurements. Set filtering options to balance measurement accuracy and noise versus latency.


You can get/set/reset this property using:
  DAQmxGetCIPeriodMeasMeth
  DAQmxSetCIPeriodMeasMeth
  DAQmxResetCIPeriodMeasMeth

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