The ISA95PropertyType 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 ISA95Property for an ISA95Object.

Table 43 – ISA95PropertyType definition

Attribute	Value
BrowseName	ISA95PropertyType
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

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