4.4.9 StateType

States of a FiniteStateMachine are represented as Objects of the StateType. Each Object of the StateType or one of its subtypes shall be referenced from the ObjectType FiniteStateMachineType or one of its subtypes using a HasComponent Reference or a subtype of HasComponent and shall not have a ModellingRule as they are not applied on the instances.

The StateType is formally defined in Table 9.

Table 9 – StateType definition
Attribute Value
BrowseNameStateType
IsAbstractFalse
References NodeClass BrowseName DataType TypeDefinition ModellingRule
Subtype of the BaseObjectType defined in OPC 10000-5
HasPropertyVariableStateNumberUInt32PropertyTypeMandatory
HasSubtypeObjectTypeInitialStateTypeDefined in 4.4.10
HasSubtypeObjectTypeChoiceStateTypeDefined in 4.6.2
Conformance Units
Base Info Finite State Machine Instance