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abnormal process behaviour

Question asked by SeanLee on Dec 1, 2019

I'm trying to use PI data for process event investigation. May I know is there any tools available to detect abnormal behaviour between two or more process value.

Pen 1 and Pen 2 supposed to change together. In any case, if Pen 1 value changing for more than 1minute and Pen 2 remain the same value. Is there any tool to detect this?

Please refer to attached screenshot