Variable Editor Exporting Variable Data Through OPC For details on exporting data through OPC, see OPC Data Access and Process Control on page 785. Configuration Error Notification The Variable editor is designed to notify you when there is a configuration error. The alert icon ( ) is dis- played next to the item containing the error. For example, in the following editor, the Controller has not been selected, so the editor displays a "Con- troller is not defined" message in the Current Value field, as shown: Adding Variables to the Watch Variable List ACE variables can be added to the Watch Variable list by dragging and dropping the variable from the Work- space Explorer.
For more details on the Watch Variable list, see Watch Variable Tool . ACE User's Guide, 3.6.x, 18316-000 Rev A Page 137 Category Variable Type Description value starts the Process Manager. String Static String Variable A user-defined string value (e.g., "Process Run- ning") Controller String Variable A V+ string value (e.g., "Product"). For example, if you've declared $myvar="Product", then entering "$myvar" in the V+ variable field returns the value "Product". Process Manager Hardware Status Text The string associated with the status (error code) for a Process Manager control source. This is the code associated with a source error in the Process Manager runtime control.