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

This VariableType is 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 Key defines 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.