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Calculate Percentage of Time in the last year a list of Tags were in the state 'ALARM'

Question asked by rmulla on Dec 1, 2016
Latest reply on Dec 1, 2016 by rmulla

I have a list of about 150 PI tags which can have the state 'ALARM', 'PENDING' or 'Normal'.

 

I'm trying to get an idea as to the % of time in the past year each of them were in the various state.

 

I've tried Datalink with calculated data and the expression as 'ALARM' but it's not working. Any help would be appreciated. I'm open to any solution not just datalink.

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