PI Interfaces

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  1. OPC DA interface to read data for advise and polled tags at startup

    If digital tags are part of advise groups and the flag to write "Intf Shut" is enabled in the OPC DA interface, then digital tags can read "Intf Shut" for hours/days/weeks, if the value does not change after an interface restart (for example, 2 pumps on the same duty, and they are only swapped every 2-3weeks). The unused pump reads "intf Shut" until it is started.

    It would be better for the OPC interface to get new values for ALL tags after a restart, regardless of whether the value has stayed the same before and after the restart, and timestamp…

    2 votes

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    0 comments  ·  PI Interface for OPC DA  ·  Flag idea as inappropriate…  ·  Admin →
  2. Support for VT_UI2 Data type

    As a PI System User, I would like to archive values for the VT_UI2 data type using the PI System.

    1 vote

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    0 comments  ·  PI Interface for OPC DA  ·  Flag idea as inappropriate…  ·  Admin →
  3. Automatically recreate advise groups when they are discarded by RSLinx OPC Server

    The Rockwell RSLinx OPC Server may discard advise groups when there are too many bad quality tags or incorrect ItemIDs added to the group. The PI Interface for OPC DA should automatically recreate advise groups after it has determined that the group has been discarded from the OPC server.

    1 vote

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    0 comments  ·  PI Interface for OPC DA  ·  Flag idea as inappropriate…  ·  Admin →
  4. Clamp Value at Limit

    Ability to clamp or ignore values outside a threshold.
    Example would be to clamp the low value to 'zero' attribute and/or a high value at 'span' - many xmtrs read erratically when at limit (e.g., an empty flow transmitter often reads negative)

    1 vote

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    0 comments  ·  PI Interface for OPC DA  ·  Flag idea as inappropriate…  ·  Admin →
  5. Modifying the functionality of Trend Advise feature for PI OPC interface

    As a PI OPC Interface user I would like to get step-like trends whenever that the Trend Advise parameter is enabled (even with having large exception and compression deviations that filter some of the events) so that I don't need to enable the step attribute for each PI tag.

    1 vote

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    0 comments  ·  PI Interface for OPC DA  ·  Flag idea as inappropriate…  ·  Admin →
  6. Enhance OPC server failover capability

    Need to trigger failover when a watchdog tag is stale for a configurable duration.

    1 vote

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    0 comments  ·  PI Interface for OPC DA  ·  Flag idea as inappropriate…  ·  Admin →
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