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AVEVA™ Historian

Add a message pair

  • Last UpdatedDec 12, 2025
  • 1 minute read

If you add a message pair, you can configure both existing and new discrete tags to use the new message pair.

To add a message pair

  1. In the Operations Control Management Console, expand a server group and then expand a server.

  2. Expand Configuration Editor, expand System Configuration, and then expand Tag Configuration.

  3. Right-click Messages, and then click New Message. The New Message wizard appears.

    Adding a new message pair

  4. In the Message0 box, type the message associated with the FALSE state of the discrete tag. The maximum number of characters is 64. A discrete tag set to 0 is in the FALSE state.

  5. In the Message1 box, type the message associated with the TRUE state of the discrete tag. The maximum number of characters is 64. A discrete tag set to 1 is in the TRUE state.

  6. Click Finish.

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