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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 In development
Created by Guest
Created on Aug 16, 2022

PI Adapter for OPC UA should be able to poll data from the OPC UA Server

Currently the PI Adapter for OPC UA only collects unsolicited advised data that is different from the previous value. We would need to see a polling feature to be able to: - Refresh slow moving streams with updates with the same value but different timestamp - Get the information in the OPC UA Server at a defined time stamp This polling feature could pave the way to more features like setup the equivalent of "Trigger event tags" offered by the old PI OPC DA Interface technology
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  • sahilp
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    Apr 2, 2024

    This is now marked "in development". can someone from AVEVA indicate a timeline when the feature is expected?

    1 reply
  • sahilp
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    Jul 14, 2023

    Could the situation not be mitigated by setting the Expiry Time in the data filters?


    It would not give you synchronisation with the wall clock, but could help to have more data points between which to interpolate?


    Not saying the use case is not valid, just trying to look for a work around until AVEVA implement.

    1 reply
  • frans.degraaf
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    Jan 13, 2023

    in power generation it is necessary to have the correct value at a defined point in time f.i. at 00.00 the total amount of power generated. we used the polling to get the totals per time unit and day week etc.

    after OPC UA we lost this ability in the pi system and had to make changes to the control system to do the work that was previously was done by PI

    A polling option would definitely help for a small number of PI points with a fixed time 5 min 15 min 60 min etc

  • Guest
    Reply
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    Aug 16, 2022
    After BAD situation when no new data is pushed from server, data remains #BAD until....