Annex D Extensions ToC Previous Next

D.1 ISA95HierarchyScopeType ToC Previous Next

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.

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