AVEVA™ PI System™ Feedback Portal

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

RELATED IDEAS

Allow Max Rollup to provide AF Element-attribute

Using the Max Rollup function - I would like to know which element provided the maximum value and output this as well so I can historize the information.
  • Attach files
  • Guest
    Reply
    |     Aug 20, 2022
    If you were to historize the attribute name that had the max value, you would need to store that in a separate PI Point in addition to the values. That means you have to have a way to know that these 2 PI Points are related. Is that OK?
  • MAMEDINA
    Reply
    |     Aug 20, 2022
    In response to Stephen Kwan, "If you were to historize the attribute n..." That makes sense, 2 points would be fine/appropriate.
  • Guest
    Reply
    |     Aug 20, 2022
    I think it would also be useful on Minimum Rollup.
  • Guest
    Reply
    |     Aug 20, 2022
    Hello i have the same use case. for example i have N elements. each element contains 2 attributes A and B. I would like to get B value for the A max. So with rollup i can get A max but it is not possible to get which element provides that. If so i could get my B value. But for now, it is not possible. So getting either name of element or index, or something we can use later to obtain other informations could be interesting.
  • Guest
    Reply
    |     Aug 20, 2022
    Hello I have a similar request to this enhancement below. I'm setting up a condition based maintenance program and need to compare large number of similar elements (fans, pumps, motors, etc.) I have setup the rollup analyses which can identify Min and Max performance data but I have to manually sort through all the data to find which piece of equipment have the high or low values. Has there been any update to this request?
  • Guest
    Reply
    |     Aug 20, 2022
    Unfortunately we have not yet made the decision to implement this request.