Specify Field Device Tag Number
- Last UpdatedOct 28, 2025
- 2 minute read
-
To specify the tag number of the new field device, click the button next to the Tag No text.
The Instrument Tag Dialog window opens.

This window is used to specify the tag of the new field device.
The Class list consists of all classes to which tag formats have been assigned in Instrument Engineer.
-
Select the required Class.
The Tag Format list is then populated with all the tag formats that have been assigned to the selected class in Instrument Engineer (the class designated the primary class is automatically pre-selected).
-
Select the required Tag Format from this list.
The fields displayed under the Tag Format list will depend on the fields that the selected tag format consist of. For example, if a different tag format from that displayed above is selected, the displayed fields will change to reflect this. For example:

Note: Any delimiters defined for tag format are displayed after the fields they follow.
-
Complete the fields as required.
Note: If the tag format includes "Function", the list of available functions will be restricted to those associated with the selected class.
For further information on classes and tag formats, refer to the Instrument Engineer User Guide.
The entered tag number is displayed at the bottom of the window. For example:

-
When the required tag data has been entered, select OK to display the Field Device Information window again, with the selected tag number now displayed.

-
To change the tag number, select the button next to the Tag No text to re-display the Instrument Tag window.