Tag Access Rights

Tag security is often the best way to configure security for data access. By defining security on a tag, you affect the tag across all windows in the project, as opposed to configuring component security on each component that displays or controls that tag.

If a user opens a window that has components that are bound to a tag that the user doesn't have clearance to read or write to, the component will get a forbidden overlay.

images/download/attachments/6035126/access_denied_overlay.png

You can add read/write security to individual tags through the Designer. Custom Access Rights must be set to use the Role-based permissions.

See also: Quality Overlays , Permission Properties

To set the access rights to a tag

  1. Edit a tag by double-clicking on the tag.

  2. In the General tab, from the Access Rights drop-down, select Custom, and click OK.

  3. Go to the Permissions tab, from the Add a Role drop-down select the role, and click the Add button.

  4. Change each roles Access rights by selecting the Read/Write or Read Only options.

  5. Click OK. Now the user must have appropriate permissions to write to interact with the tag.

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