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  • MVP 2023

You will need to define what you mean by "input stops". If the interval that defines "stops" is large compared to the largest (i.e. lowest frequency) count interval than the problem is easy. Otherwise the problem can be very difficult. Do you have some other signal available that will tell you when the input is off?

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I have two HSC counter inputs and use those to get a total Gallon Per Minute flow.  Used the GPM to stop the Output, and restart when flow starts.  The Output runs to maintain a PPM range for flow.  The problem arose at high flow rates and running near the low PPM limit the Output would keep running until it caught up.  No acceptable with no flow.  This method worked, will try yours and one from Uni support team.

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