7.2.2 Extension of MachineryItemState for low pressure plasma surface treatment machines

For this specification the MachineryItemState defined in OPC UA for Machinery is extended by a SubStateMachine for the State NotExecuting. An exemplary illustration can be found in Figure 10.

Figure 10 - Extension of MachineryItemState for low pressure plasma surface treatment machines

For this, the LowPressurePlasmaMachineryItemState_StateMachineType is defined in Table 20.

Table 20 – LowPressurePlasmaMachineryItemState_StateMachineType Definition
Attribute Value
BrowseNameLowPressurePlasmaMachineryItemState_StateMachineType
IsAbstractFalse
References Node Class BrowseName DataType TypeDefinition Other
Subtype of 4:MachineryItemState_StateMachineType defined in OPC UA for Machinery (OPC 40001-1)
0:HasComponentObjectLowPressurePlasmaNotExecutingSubStateLowPressurePlasmaNotExecutingSubState_StateMachineTypeM

The State NotExecuting is overriden in the LowPressurePlasmaMachineryItemState_StateMachineType to get the additional reference defined in Table 21.

Table 21 – LowPressurePlasmaMachineryItemState_StateMachineType Additional References
SourceBrowsePath Reference Type Is Forward TargetBrowsePath
LowPressurePlasmaNotExecutingSubState0:HasSubStateMachineFalse4:NotExecuting