AlarmStorageReader.GetMinMaxTimestamps (METH)ΒΆ
METHOD GetMinMaxTimestamps : EAlarmStorageReaderErrors
This method determines minimum and maximum timestamp stored in the alarm storage.
- InOut:
Scope
Name
Type
Comment
Return
GetMinMaxTimestampsAn EAlarmStorageReaderErrors indicating, whether the processing was successful or not
Output
liMinTimestampLINTReturns minimum timestamp
liMaxTimestampLINTReturns maximum timestamp
xTableIsEmptyBOOLIndicates, whether the database table is empty. The output parameter liMinTimestamp and and liMaxTimestamp contain valid values only if this output parameter is FALSE.
udiCountAlarmsUDINTThe number of alarms, that are stored in the alarm storage for the given timestamp