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3 result(s) for Variable Node
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OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model5.6.3 PropertiesProperties are used to define the characteristics of Nodes . Properties are defined using the Variable NodeClass , specified in Table 13 . However, they restrict their use. Properties are the leaf ... TargetNode of any HasComponent Reference . Thus, a HasProperty Reference pointing to a Variable Node defines this Node as a Property . The BrowseName of a Property is always unique
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OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model5.6.4 DataVariableTargetNode of any HasProperty References . Therefore, a HasComponent Reference pointing to a Variable Node identifies it as a DataVariable . The HasTypeDefinition Reference points to the VariableType used as type definition
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OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information ModelF.1.16 NodeIdentifierValuePairNodeIdentifierValuePair is used to provide a key-value pair where the key is a Variable Node . It is semantically equivalent to the PortableKeyValuePair as defined in 10.35 with the optimisation ... Structure defined in OPC 10000-5 Key 4:NodeIdentifier The Key to the Variable . ArrayIndex 0:UInt32[] If Key refers to a Variable with ValueRank >= 1, the ArrayIndex specifies