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AVEVA™ InTouch HMI

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I/O references

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  • Last UpdatedJun 19, 2024
  • 1 minute read

I/O references or indirect tags that are displayed in Tag Viewer behave like the windows in WindowViewer.

  • If you remove an I/O or indirect tag from the watch window, the I/O reference is unsubscribed.

  • If you have not added an I/O or indirect tag to the watch window, but its dotfield has been refreshed or you have selected the tag on the left pane, Tag Viewer subscribes to the I/O reference. The subscription remains as long as the tag remains selected.

  • If you close Tag Viewer, all I/O or indirect tags subscribed by Tag Viewer are unsubscribed.

  • Closing Tag Viewer or removing tags from the watch window has no impact on tags in WindowViewer.

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