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4 result(s) for Variable NodeClass

• OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model
  5.3.3.2 HasProperty References
  identify the Properties of a ReferenceType and shall only refer to Nodes of the Variable NodeClass . The Property NodeVersion is used to indicate the version of the ReferenceType . There
• OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model
  5.6.2 Variable NodeClass
  Variable NodeClass Variables are used to represent values which may be simple or complex. Variables are defined by VariableTypes , as specified in 5.6.5 . Variables are always defined as Properties ... related to any number of other Nodes . Variables are defined using the Variable NodeClass , specified in Table 13 . Table 13 - Variable NodeClass Name Use Data Type Description Attributes Base NodeClass
• OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model
  5.6.3 Properties
  Properties 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
• OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model
  5.6.4 DataVariable
  DataVariable DataVariables represent the content of an Object . DataVariables are defined using the Variable NodeClass , specified in Table 13 . DataVariables identify their Properties using HasProperty References . Complex DataVariables use HasComponent ... TargetNode 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