Description: Tells the Alarm Manager to activate an alarm. This subroutine will activate an alarm and signal it as unacknowledged.
Format: Active(AlarmObject[, EventTime]);
Parameters: AlarmObject is the object value for the alarm that was passed to the Register (Alarm Manager) subroutine that is active.
EventTime is the time stamp to use when adding this event to the alarm lists. This is typically CurrentTime(); additionally, if invalid or not defined, the default is CurrentTime().
Comments: The Active subroutine always returns "0".