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AVEVA™ InTouch HMI

Convert placeholder tags

  • Last UpdatedJul 29, 2024
  • 1 minute read

If you import or export a window or QuickScript to or from your current application, all the tags associated with that window or QuickScript are transferred with the window.

The local tags are not automatically added to your application database. Instead, they are automatically marked as placeholder tags.

Remote tag references are not affected, and are not marked as placeholder tags.

You must convert the placeholder tags to existing local tags, define them in the new application’s Tagname Dictionary, or make them remote tag references.

Notice the placeholders ?d:, ?i:, ?m: and ?r: preceding the tags. They indicate the type that the tag was originally defined as:

Placeholder Symbol

Tagname Type

d

Discrete

i

Integer

m

Message

r

Real

Note: Remote tag references are not shown as placeholders but as remote tag references such as: PLC2:Temperature.

You can use several methods in the Substitute Tagnames dialog box to convert placeholder tags to local tags. For more information, see Export and import InTouch components in AVEVA™ InTouch HMI Application Run Time documentation.

Tip: If you manually convert tagnames and you no longer need the original tag defined in the original Tagname Dictionary, you can update the tagname use counts and then delete the unused tag.

By importing a window or QuickScript from another application, and converting all of the tagnames associated with the animation links or QuickScript(s) to remote tagname references, you can create an application that instantly receives data from hundreds of remote tagnames without defining a single tag in your local Tagname Dictionary.

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