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AVEVA™ Instrumentation

Edit Tag Formats of Multiple Instruments

  • Last UpdatedNov 05, 2025
  • 3 minute read

The tag formats (see Tag Formats) of multiple Instruments can be changed in a single bulk edit. When the tag format of an Instrument is changed, the tag number of the Instrument will be updated to reflect the new format.

Note: Instrument tags must be unique, either across the entire Project, or within their Project location (see Manually Add a Tag to the Instrument List). If a tag numbers are not unique within the Project or location, when you attempt to save the Instruments, a warning message will be displayed to alert the you of this, and the save will not take place.

To edit the tag format of multiple Instruments:

  1. Select the items, then click Bulk Update Tag Format in the Actions section of the List Tools - Instruments tab.

    The Instrument Bulk Update TagFormat window is then displayed.

    The window displays the current tag numbers of the Instruments selected in the Instruments list, with their class names (see Class Definitions) and tag formats.

  2. Select the required tag format to be applied to all the listed Instruments from the TagFormat list.

    By default, this list is restricted to the tag formats assigned to the classes of the listed Instruments. If the listed Instruments are associated with different classes, only those tag formats common to all those classes are available. Select the required format.

  3. If required, the class of the listed Instruments can be changed. Uncheck the Lock Class checkbox.

  4. The Class Name list then becomes available. Select the required class from this list. The Tag Format list will then list the tag formats associated with the selected class. Select the required format.

  5. Once the required tag format has been selected, click Next.

    The window then lists the Instruments with the "proposed" tag numbers, in other words, the tag numbers of the Instruments with the selected tag format applied.

    The current tag number, and current and proposed classes and tag formats are also displayed.

  6. Only those Instruments with their Select checkboxes checked will have their tag numbers changed. They are checked by default. Uncheck any Select checkboxes as required. The Select All checkbox can be used to uncheck (and re-check) all Select checkboxes.

  7. When the required Instruments have been selected, click Next.

    The following warning message is then displayed, warning that the "new" tag numbers created by this procedure may duplicate those of other Instruments.

  8. Click Yes to continue, or No to close the message without continuing.

  9. If Yes is clicked, the changes to the tag numbers then take place.

    A log of the changes is then displayed, listing successful and failed changes to tag numbers.

  10. Click Close to exit the window.

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