Annex D Extensions 
D.1 ISA95HierarchyScopeType
The ISA95HierarchyScopeType is a concrete VariableType that can be used directly. It is a subtype of BaseDataVariableType
This VariableType indicates where the exchanged information fits within the role base equipment hierarchy defined in ISA-95. It defines the scope of the exchanged information, such as a site or area for which the information is relevant.
Table 130 – ISA95HierarchyScopeType definition
| Attribute | Value |
|---|---|
| BrowseName | ISA95HierarchyScopeType |
| IsAbstract | False |
| ValueRank | 0 (OneOrMoreDimensions) |
| DataType | ISA95EquipmentElementLevelEnum |
Subtype of the BaseDataVariableType defined in OPC 10000-5
| References | NodeClass | BrowseName | DataType | TypeDefinition | ModellingRule |
|---|---|---|---|---|---|
| HasComponent | Variable | OtherValue | String | TextItemType | Optional |
| HasComponent | Variable | <SubScope> | ISA95Equipment ElementLevelEnum | ISA95HierarchyScopeType | Optional |
| ToEquipmentScope | Object | <Equipment> | ISA95EquipmentType | Optional | |
| HasProperty | Variable | EnumStrings | String | Mandatory |
OtherValue defines a customized hierarchy scope. If Value attribute is set to “OTHER_14”, then OtherValue shall be identification of the hierarchy scope.
SubScope indicates a sub hierarchy definition.
<Equipment> defines an ISA95EquipmentType Object that this variable is associated with.