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 |
||||
|
BrowseName |
LowPressurePlasmaMachineryItemState_StateMachineType |
||||
|
IsAbstract |
False |
||||
|
References |
Node Class |
BrowseName |
DataType |
TypeDefinition |
Other |
|
Subtype of 4:MachineryItemState_StateMachineType defined in OPC UA for Machinery (OPC 40001-1) |
|||||
|
0:HasComponent |
Object |
LowPressurePlasmaNotExecutingSubState |
|
LowPressurePlasmaNotExecutingSubState_StateMachineType |
M |
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 |
|
LowPressurePlasmaNotExecutingSubState |
0:HasSubStateMachine |
False |
4:NotExecuting |