Tag Formats
- Last UpdatedNov 04, 2025
- 1 minute read
In Process Engineer, Process Equipment, and Process Line Tag Numbers are constructed from the attributes of the equipment and lines. For example, a Tag Number may be the concatenation of the relevant plant area number and its function code, suffixed or prefixed with a sequential number. Process Engineer is supplied with multiple Tag Formats, which can be edited. New Tag Formats can also be defined.
Tag Formats are selected for each AVEVA Instrumentation process equipment and process line class to define how the tag numbers of items within these classes are formatted (see Class Definitions).
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To view, edit and create Tag Formats select Setup > Tag Formats in the Project tab to display the Tag Formats window.

The window initially lists the existing tag formats for process equipment.
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Select Process Lines from the Format for list to view the existing tag formats for process lines.
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Select New to create a new tag format. For more information, see Define a New Tag Format.
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Select Edit to edit an existing tag format. For more information, see Edit a Tag Format.