IEC_BACNET_SELECTION_CRITERION (STRUCT)¶
TYPE IEC_BACNET_SELECTION_CRITERION : STRUCT
This structure represents the Selection-Criteria data parameters for an read property conditional service request.
- InOut:
Name
Type
Comment
ePropertyID
The property identifier specifies the property to be accessed.
eRelationSpecifier
Specifies the relation for comparing property value and comarison value.
nIndex
The index specifies if a single element or the whole array is accessed.
comparisonValue
This parameter shall be a constant of the same datatype as the property being compared. If the Comparison Value is being used to select properties of type CharacterString, then the “wildcard” characters “?” and “*” may be used but only for the == operators.