TheTransitionEventTypeis a subtype of the BaseEventType. It can be used to generate an Eventidentifying that a Transitionof a StateMachinewas triggered. It is formally defined in Table 15.
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Attribute |
Value |
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BrowseName |
TransitionEventType |
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IsAbstract |
True |
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References |
NodeClass |
BrowseName |
DataType |
TypeDefinition |
ModellingRule |
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Subtype of the base BaseEventTypedefined in OPC 10000-5 |
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HasComponent |
Variable |
Transition |
LocalizedText |
TransitionVariableType |
Mandatory |
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HasComponent |
Variable |
FromState |
LocalizedText |
StateVariableType |
Mandatory |
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HasComponent |
Variable |
ToState |
LocalizedText |
StateVariableType |
Mandatory |
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Conformance Units |
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Base Info Finite State Machine Instance |
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The TransitionEventTypeinherits the Propertiesof the BaseEventType.
The inherited Property SourceNodeshall be filled with the NodeIdof the StateMachineinstance where the Transitionoccurs. If the Transitionoccurs in a SubStateMachine, then the NodeIdof the SubStateMachinehas to be used. If the Transition occurs between a StateMachineand a SubStateMachine, then the NodeIdof theStateMachinehas to be used, independent of the direction of the Transition.
Transitionidentifies the Transitionthat triggered the Event.
FromStateidentifies the Statebefore the Transition.
ToStateidentifies the Stateafter the Transition.