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

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OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model

7.29 AllowedSubtype

TargetNode of this ReferenceType shall be a Variable of BaseDataVariableType or a subtype. The DataType, ValueRank and ArrayDimensions of the Variable shall follow the rules defined ... recommended that the BrowseName of the Variable describes the used DataType including its ValueRank. However, it should not use the NamespaceIndex of the DataType NodeId unless it is defined