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
GetMinMaxTimestamps
An EAlarmStorageReaderErrors indicating, whether the processing was successful or not
Output
liMinTimestamp
LINT
Returns minimum timestamp
liMaxTimestamp
LINT
Returns maximum timestamp
xTableIsEmpty
BOOL
Indicates, whether the database table is empty. The output parameter liMinTimestamp and and liMaxTimestamp contain valid values only if this output parameter is FALSE.
udiCountAlarms
UDINT
The number of alarms, that are stored in the alarm storage for the given timestamp