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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 AbdulRahman.Maskari
Created on Oct 7, 2025

Calculated tags present value error

For calculated tags when being trended for more than ~12 hours time frame, the trend works fine except for the live present value, the calculation can be completely off. See attached screenshot for an example, where several tags are checked whether their value is >10 or not, and is used to count total number of wells online in the facility. The present value is always significantly lower than actual, and can appear as low as zero.

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