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AVEVA Enterprise SCADA

TABLE OF CONTENTS

Tag Control dialog box

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  • Last UpdatedApr 24, 2025
  • 2 minute read

Use this dialog box to configure specific properties of a tag.

The following table describes the fields and checkboxes on the Tag Control dialog box specific to the Tag Expiry application. For information on the remaining fields, refer to the AVEVA Enterprise SCADA HMI Controller documentation.

Items specific to the Tag Expiry Application

Field/Checkbox

Description

Command

Select the name of the command that the tag inhibits. Options:

  • no commands: No commands can be applied to the point, regardless of the source.

  • no operator cmd: Do not allow operator commands. Program commands are allowed.

  • no program cmds: Do not allow commands from the program. Operator commands are allowed.

  • no OPEN: Inhibit all OPEN commands. CLOSE commands are allowed.

  • no CLOSE: Inhibit all CLOSE commands. OPEN commands are allowed.

  • warning: A warning message appears when you execute a command. You have the option to either override the warning and continue with the command, or abort the command.

  • information: Displays an Information tag type icon to indicate that a tag message is linked to the record. All commands will continue uninhibited.

    For information on command tag types, refer to the AVEVA Enterprise SCADA HMI Controller documentation.

Priority

Select the priority of the alarm generated when a tag expires. Available options:

  • 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.

Permanent Tag

Select to make this tag a permanent tag. As the name implies, permanent tags have neither expiry times nor end times.

Expiry Time

Select 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

Select 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.