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
ePropertyIDThe property identifier specifies the property to be accessed.
eRelationSpecifierSpecifies the relation for comparing property value and comarison value.
nIndexThe index specifies if a single element or the whole array is accessed.
comparisonValueThis 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.