Counter Input >> General Properties >> More >> Advanced >> Prescaler

NI-DAQmx C Reference Help

Edition Date: January 2019

Part Number: 370471AM-01

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Data Type: uInt32
Description: Specifies the divisor to apply to the signal you connect to the counter source terminal. Scaled data that you read takes this setting into account. You should use a prescaler only when you connect an external signal to the counter source terminal and when that signal has a higher frequency than the fastest onboard timebase. Setting this value disables duplicate count prevention unless you explicitly set Duplicate Count Prevention to TRUE.


You can get/set/reset this property using:

  DAQmxGetCIPrescaler

  DAQmxSetCIPrescaler

  DAQmxResetCIPrescaler

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