Notification, that a latch variable from TblAlarm has been read and can be processed.
InOut:
Scope
Name
Type
Comment
Input
diWhichRow
DINT
A 0-based index of the row read from TblAlarm.
usiWhichVariable
USINT
A 1-based index of the latch variable within all latch variables
liLatchVarValue
LINT
The latch value as “raw” value. If |iLatchVarType| has the value TYPE_STRING, this parameter contains a pointer to the STRING, in case of TYPE_WSTRING this parameter contains a POINTER to a WSTRING
iLatchVarType
TypeClass
A TypeClass value representing the type of the latch variable
xValueNULL
BOOL
Indicates, whether NULL is stored in the alarm storage