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ALPHA-VISION® Functions of Data Object Server: Obj_QueryHWLvl
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Obj_QueryHWLvl
SUMMARY
Obj_QueryHWLvl - Query High Water Alarmlevel
SYNTAX
Obj_QueryHWLv(PointId)
ARGUMENTS
- PointId
-
Name of Data Object
RETURN VALUE
Highest Alarm Level reached
DESCRIPTION
Highest Alarm Level reached since the last 'Normal Condition'
Note:
The expression ‘High Water’ defines the highest Alarm Level
reached since the last ‘Normal Condition’ even if that Alarm
Level is not valid at the moment.
EXAMPLES
Obj_QueryHWLvl(Test_3)
Syntax Notation
- [aaa]
- aaa is optional (zero or one occurences)
- (aaa|bbb)
- aaa exclusive or bbb
- (aaa)*
- aaa may occur indefinitely often or may be omitted
- (aaa)+
- aaa may occur indefinitely often but at least once
- (aaa)m..n
- aaa may occur from m to n times