Digital Log Type

With the Logging Type is set to Event Driven and the Event Driven Logging Tag is specified as a Boolean Tag this will determine this is the Tag Parameter that will cause the logging to occur when the value transitions.  The trigger can be a Boolean set to transition from False to True, True to False, or Both.  The trigger can also come from an Integer tag that will trigger the logging anytime the value changes and the value is non-zero.  Logging Active must also be set to True.