Hsc I/O Filtering - HORNER APG EXL10 OCS User Manual

MAN1029-08-EN_EXL10_UserManual
9.7

HSC I/O Filtering

This feature is used to enable digital Filter for HSC Inputs.
Selecting Digital In/HSC configuration opens the following dialog where in HSC I/O Filtering is available.
Input signal is filtered based on the filter frequency and Number of samples selected.
User has to select Filter Frequency and Number of samples based on the frequency of the Input signal.
Filter Frequency: To set the filter, choose a value that is: 4*Number of Samples*Expected Max Hz on the
high-speed inputs.
Number of samples: The input must be stable for this many samples before the HSC accumulator is
affected by any change.
The state (high or low) of the high-speed input is sampled with every rising input edge of the filter
frequency. The rising edges of the filter frequency are totaled in a sample counter, and when that total
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