The ISA95ClassPropertyType is an abstract VariableTypethat cannot be used directly. It must be subtyped to be used. It is a subtype of BaseDataVariableType defined in OPC 10000-5.

This VariableTypeis used to define an ISA95ClassProperty for an ISA95Class.

Table 42– ISA95ClassPropertyType definition

Attribute

Value

BrowseName

ISA95ClassPropertyType

IsAbstract

True

ValueRank

0 (OneOrMoreDimensions)

DataType

BaseDataType

References

NodeClass

BrowseName

DataType

TypeDefinition

ModellingRule

Subtype of the BaseDataVariableType defined in OPC 10000-5

HasISA95Attribute

Variable

Key

CDTIdentifier

BaseDataVariableType

Optional

The Keydefines an Id to differentiate between the different values. When multiple values are stored to the Value attribute this ISA95Attribute is used. For example a value may be a series of numbers, such as a series of peak values from a spectrometer.