Tagging proxy points with n:history
To render data on charts and in tables, each point requires an n:history tag. As newly-discovered proxy points coming in from remote stations do not have history extensions with an implied n:history tag, use this procedure to automatically add the n:history tag to each newly-discovered point.
Prerequisites: Points have been discovered.
- Right-click the node in the Nav tree and click .The NiagaraNetwork AX Property Sheet opens.
- Enable
Persist Fetched Tags(change its value fromfalsetotrue). - To finish preparing the points for analysis, right-click again and click .This adds a direct n:history tag to the network control point with a tag value matching the n:history tag of the remote control point. The framework adds the direct n:history tag to the network control points where the control points in the remote station have an n:history tag, there is a history import descriptor configured to import the applicable remote history to the Supervisor’s history database, and the remote history has been successfully archived to the Supervisor's history database.NOTE: It may take a few seconds to add the n:history tag to all newly-discovered points. Be patient and wait for the procedure to complete.