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8 result(s) for HasComponent Reference
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OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model3.1.7 DataVariableindirectly for complex Variables , where the Variables are always the TargetNode of a HasComponent Reference
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OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space ModelObjectType "AI_BLK_TYPE", representing a function block, has a HasComponent Reference to a Variable "SP" of the VariableType "SetPoint". "AI_BLK_TYPE
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OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model5.5.1 Object NodeClassread / 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
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OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space Model5.6.4 DataVariablealso 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
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OPC-10000-3 – OPC Unified Architecture - Part 3: Address Space ModelAggregates 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
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OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditionscase 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
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OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & ConditionsAlarms 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
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OPC-40100-1 – OPC UA for Machine Vision - Part 1: Control, configuration management, recipe management, result management3.3.2.1 NodeIdsthis case "part of" means that the whole has a HasProperty or HasComponentReference to its part. Since all Nodes not being part of another Node have a unique