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Scope: Core (OPC-10000-*) All specs

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OPC-10000-8 – OPC Unified Architecture - Part 8: Data Access

6.5.2 HasQuantity

ReferenceType is to link a Variable with EUInformation DataType to an Instance of the QuantityType ObjectType . The SourceNode of References of this type shall be a Variable with EUInformation DataType ... EngineeringUnits Property) . The TargetNode of this ReferenceType shall be an Instance of the QuantityType ObjectType . The HasQuantity is formally defined in Table 50 . Table 50 - HasQuantity definition Attributes Value BrowseName