This ReferenceType is a concrete ReferenceType that can be used directly. It is a subtype of the NonHierarchicalReferences ReferenceType and will be used to refer from a HistoricalDataNode to a Node that is the source of the data being historized by the Source Node. Typically, this node is an external node in another Server.

Its representation in the AddressSpace is specified in Table 8. The Source node of this reference type shall be a HistoricalDataNode. The Target node shall be any Variable or Property

Table 8 – HasCurrentData ReferenceType

Attributes	Value
BrowseName	HasCurrentData
InverseName	HasHistoricalData
Symmetric	False
IsAbstract	False
References	NodeClass	BrowseName	Comment
The subtype of NonHierarchicalReferences ReferenceType is defined in OPC 10000-5.
ConformanceUnits
Historical Access HasCurrentData