4 OPC UA ReferenceTypes ToC Previous

4.4 Controls ToC Previous Next

4.4.2 Definition ToC Previous Next index

The Controls is a concrete ReferenceType and can be used directly. It is a subtype of HierarchicalReferences.

The semantic of this ReferenceType is to relate the controlling component to the components controlled by the controlling component.

The SourceNode of References of this ReferenceType shall be an Object or ObjectType representing the controlling component, as for example a PLC or a software component.

The TargetNode of References of this ReferenceType shall be an Object representing a component that is controlled by the TargetNode.

Controls is formally defined in Table 3.

Table 3 – Controls Definition

Attributes Value    
BrowseName Controls    
InverseName IsControlledBy    
Symmetric FALSE    
IsAbstract FALSE    
References NodeClass BrowseName Comment
Subtype of HierarchicalReferences defined in OPC 10000-5      
Conformance Units      
Base Info Controls      

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