AVEVA™ PI System™ Feedback Portal

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Status No Status
Product AVEVA™ PI Server
Categories Analytics & Calculations
Created by jerome.boudon
Created on Aug 20, 2022

RELATED IDEAS

Allow TagVal to select a specific value if several values stored at a same timestamp

We have cases where we have several values for the same tag at a specific timestamp. When we use tagVal in an analysis expression, the TagVal function returns the last stored value for the timestamp for the tag. We would like to be able to get (using a parameter) the First value stored for our calculations.
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    |     Aug 20, 2022
    Can you explain how you're getting multiple values for the same timestamp? What is writing these values?