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ALPHA-VISION® Functions of Data Object Server: Obj_FindValue |
Obj_FindValue
SUMMARY
Obj_FindValue - Find value in a given listSYNTAX
Obj_FindValue(PointID, ValueList)ARGUMENTS
- PointID
- Name of the data object
- ValueList
- Values to be compared with
RETURN VALUE
0 = no match1 = match
DESCRIPTION
The value of a defined data object is compared against the defined values.Note:
The queried data object must not be of the type ‘float’
EXAMPLES
Obj_FindValue(Test_0,1:3:-5)
If the data object ‘Test_0’ holds the value 1,3 or -5 a ’1’ is returned,
any other value returns a ‘0’.
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