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AVEVA™ PI System™ Feedback Portal

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Status No status
Created by Guest
Created on Aug 20, 2022

SecSinceValueChange

One of the items i need to build frequently, yet no support in analytics yet. I want to habe an AF Analysis function that returns the number of seconds a value of an attribute has changed. E.g. to calculate how long a pump is running, how long a batch is running, etc. Currently i need to workaround using a secondary trigger attribute and SecSinceChange, so two analysis and an additional PI Point. Also see topic here: https://pisquare.osisoft.com/thread/14374-af-analyses-secsincechange-strange-output
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  • JanWortmann
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    Aug 20, 2022
    Yes, I have the same need as Roger. An alternative would be any other timer function.