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AVEVA™ PI System™ Feedback Portal

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We created this site to hear your enhancement ideas, suggestions and feedback about AVEVA products and services. All of the feedback you share here is monitored and reviewed by the AVEVA product managers.

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Status No Status
Created by Tony_Mitacron
Created on Aug 20, 2022

AF Function Call to test for existence of a PI tag

Some Analytics fail due to a tag not existing. It is possible to test for a Bad value via the BadVal() function, however, this does not work if the tag does not exist. Consequently the equation will not run. This caused me many hours of debugging when trying to identify why several calculations were not running out of many 1000s which were defined for the AF template. It would be useful to have an AF function that explicitly tested for the existence of a Tag. In this way calculations would still run resulting in a cleaner looking summary in the Management plug-in
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