The InterlockFor ReferenceType is a concrete ReferenceType and can be used directly. It is a subtype of NonHierarchicalReferences. The inverse reference shall also exist for all uses of this ReferenceType.
The semantic of this ReferenceType is to relate InterlockVariableType Nodes to the Variable Node that represents an interlock flag.
The SourceNode of this ReferenceType shall be an instance of InterlockVariableType.
The TargetNode of this ReferenceType shall be a Variable that is one of:
- NonDefeatableOpenInterlock,
- DefeatableOpenInterlock,
- NonDefeatableCloseInterlock,
- DefeatableCloseInterlock,
- DefeatableStartInterlock,
- DefeatableStopInterlock,
- NonDefeatableStartInterlock,
- NonDefeatableStopInterlock,
- NonDefeatableCommandInProgressInterlock
The Variable shall be part of an:
- MDISValveObjectType
- MDISChokeObjectType
- MDISElectricChokeObjectType
- MDISMotorObjectType
- MDISCIMVObjectType
- MDISAggregateObjectType,
Or a subtype of one of these types or an instance of one of these types.
Table 117 – InterlockFor Reference
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Attributes |
Value |
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BrowseName |
InterlockFor |
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InverseName |
HasInterlockInformation |
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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 the 0:NonHierarchicalReferences ReferenceType defined in OPC 10000-5 |
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ConformanceUnits |
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MDIS Choke Base |
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MDIS Electric Choke Base` |
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MDIS Valve Base |
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MDIS CIMV Base |
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MDIS Motor Base |
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