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Help on compression & exception deviaiton settings

Question asked by buntimehta on Oct 16, 2017
Latest reply on Oct 16, 2017 by rdavin

Hello folks,

Can somebody provide a quick understanding  on how exception& compression deviation for tag works, please? I have been through video but was not able to comprehend.

Example: I have flow controller tag with span 0 to 14,000 & my exception deviation is 70 & compression deviation is set at 140.

Dees, this mean that no new data point will be written on PI until there is minimum deviation of 140 units for tag? Could somebody explain this example?