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Audit Trail
•
The object that was created, modified or deleted.
•
The properties of the object that were changed.
•
The value of the property before it got changed during the logged event.
•
The value of the property after it got changed during the logged event.
Event generating actions
Table 9 on page 279 shows the actions that generate an Audit Trail entry.
Table 9 Actions that generate an Audit Trail entry
Audit Trail Viewer
Event type logged
Plant
Changing the configuration of the Plant.
X
Changing the Controller configuration.
Controller
X
Changing the application program.
X
Creating a controller file.
X
Loading a controller file.
X
Restoring the communication architecture and the application files.
X
Activating/clearing Forces.
X
Setting the Real Time Clock of the Controller.
X
Executing Write commands.
X
Occurrences of data and program integrity errors.
X
Note:
In some occasions it is possible that multiple changes are logged as a single entry. For
example functional changes to a functional logic diagram in the Application Editor.
Archiving events
Tip:
Archiving events logged by the Audit Trail Viewers on a regular basis, e.g. once a week,
will:
1. improve Safety Builder performance
2. speed up the archiving process.
Safety Manager Software Reference
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