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AVEVA Enterprise SCADA

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Tag Summary window

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  • Last UpdatedApr 24, 2025
  • 2 minute read

The Tag Summary window allows you to assign, remove, and display tags.

The following table describes the fields on the Tag Summary window specific to the Tag Expiry application. For information on the remaining fields, refer to the AVEVA Enterprise SCADA HMI Controller documentation.

Fields specific to the Tag Expiry Application

Field

Description

Expiry Time

The expiry time for the tag if it's not a permanent tag. When the tag reaches its configured expiry time:

  • The system generates an alarm.

  • The tag continues to remain in effect.

    The system only generates further alarms if a Controller modifies the tag.

End Time

The anticipated end time for the tag if it's not a permanent tag.

Note: This field is for informational purposes only, and is not used in tag processing.

Permanent

This field indicates whether or not the tag is a permanent tag. As the name implies, permanent tags have neither expiry times nor end times.

Priority

The priority of the alarm generated when a tag expires, as follows:

  • High: Creates an annunciated tag expiry alarm with high severity (red).

  • Medium: Creates an annunciated tag expiry alarm with medium severity (yellow).

  • Low: Creates an annunciated tag expiry alarm with low severity (green).

  • Information: Creates an annunciated tag expiry alarm with an information severity (blue).

    After a tag expires, the system only generates further alarms if a Controller modifies the tag.