5.1.7.1 General
ISA95Reference is a concept that represents a relationship between modelling targets and is represented by UML Association and by OPC UA ReferenceType (see Table 6).
| ISA-95 | OPC UA | Description |
| UMLAssociation | ReferenceType | ISA95Reference is defined by ReferenceType. Name of the association may be a name of ReferenceType, and cardinality of the association may be mapped into a Modelling Rule of target Node of the Reference. |