The DefinedBy is an abstract ReferenceType that cannot be used directly. It is a subtype of NonHierarchicalReferences.
Table 85 – DefinedBy ReferenceType
|Subtype of NonHierarchicalReferences ReferenceType defined in OPC 10000-5|
This ReferenceType is used to describe a categorization of the SourceNode. The Object identified by the SourceNode has the same features as that defined by the Object specified by TargetNode.
The SourceNode of this ReferenceType shall be an Object of ISA95ObjectType or its subtype.
The TargetNode of this ReferenceType shall be an Object of ISA95ClassType or its subtype.