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7 result(s) for HasComponent Reference

• OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model
  3.1.7 DataVariable
  indirectly for complex Variables , where the Variables are always the TargetNode of a HasComponent Reference
• OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model
  4.6.2 Complex TypeDefinitionNodes and their InstanceDeclarations
  ObjectType "AI_BLK_TYPE", representing a function block, has a HasComponent Reference to a Variable "SP" of the VariableType "SetPoint". "AI_BLK_TYPE
• OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model
  5.5.1 Object NodeClass
  read / write historic Events . The EventNotifierType is defined in 8.59 . References HasComponent 0..* HasComponent References identify the DataVariables , the Methods and Objects contained in the Object . HasProperty 0..* HasProperty References ... read and write the history of the Events . The Object NodeClass uses the HasComponent Reference to define the DataVariables , Objects and Methods of an Object . It uses the HasProperty Reference
• OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model
  5.6.4 DataVariable
  also contain DataVariables . Therefore each DataVariable shall be the TargetNode of at least one HasComponent Reference coming from an Object , an ObjectType , a DataVariable or a VariableType . DataVariables shall ... 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
• OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model
  7.7 HasComponent ReferenceType
  Aggregates ReferenceType . The semantic is a part-of relationship. The TargetNode of a Reference of the HasComponent ReferenceType is a part of the SourceNode . This ReferenceType is used to relate ... shall be an Object , an ObjectType , a DataVariable or a VariableType . By using the HasComponent Reference , the Variable is defined as DataVariable . If the TargetNode is an Object
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  6.5 Conditions in a VariableType
  case since Variables (and VariableTypes ) are not allowed to be the source of a HasComponent Reference to an Object. Figure 29 provides an example of this use case. Note that ... LvelMonitoring" Alarm . It is Server -specific whether and where they assign a HasComponent Reference . Figure 29 - Use of HasCondition in a VariableType
• OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions
  8.2 AlarmState Variable
  Alarms associated with the parent Variable or Object (the Source of the HasComponent Reference for this instance) Table 142 - AlarmStateVariableType definition Attribute Value BrowseName AlarmStateVariableType DataType AlarmMask ValueRank