AVEVA™ PI System™ Feedback Portal

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Status No Status
Product PI Interfaces
Categories PI Interface for OPC DA
Created by Guest
Created on Aug 17, 2022

RELATED IDEAS

Enhancement for Advise tags to poll  OPC server when Excmax expires

Currently, when an advise tag does not get a value in an ExcMax period,  the interface will send the same value to PI over again without going to the OPC server (assuming that the OPC interface has not disconnected from the OPC server during that interval). This can cause the OPC interface to continuously send the wrong value to PI over and over again. ( last known good value) with current timestamp This enhancement would allow the interface to behave in the following way: When advise tags are configured and ExcMax expires, the interface would poll the OPC server for the current value. The dvise read would then grab the current value/ timestamp in the OPC server's cache. Note: This was previously Enhancement 122422.
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  • Stacy Koos
    Reply
    |     Oct 5, 2022

    I would like to see this implemented. We use hundreds of installs for OPC and this would be very helpful.

  • Jinmo Yi
    Reply
    |     Aug 17, 2022
    This enhancement will greatly help to monitor the interface/OPC Server's health status.
  • Guest
    Reply
    |     Aug 17, 2022
    This would really be very helpfull in our case too. We also have the same issue.