This ReferenceType can be used to expose the relation between an object controlling other objects and the controlled objects. For example, it can be used to relate a PLC to the field devices or machine-modules controlled by the PLC or a software component to the hardware components controlled by the software component.
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.
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Attributes |
Value |
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BrowseName |
Controls |
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InverseName |
IsControlledBy |
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Symmetric |
FALSE |
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IsAbstract |
FALSE |
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References |
NodeClass |
BrowseName |
Comment |
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Subtype of HierarchicalReferences defined in OPC 10000-5 |
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Conformance Units |
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Base Info Controls |
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