This structure contains the description of a Reference. The structure is defined in Table 16.

Table 16– ReferenceDescriptionDataType Structure

Name

Type

Description

ReferenceDescriptionDataType

structure

SourceNode

NodeId

The SourceNode of the Reference.

ReferenceType

NodeId

The ReferenceType of the Reference.

IsForward

Boolean

The direction of the Reference. If TRUE in forward direction, if FALSE in inverse direction. For symmetric References it shall always be set to TRUE.

TargetNode

ExpandedNodeId

The TargetNode of the Reference.

Its representation in the AddressSpaceis defined in Table 17.

Table 17– ReferenceDescriptionDataType Definition

Attribute

Value

BrowseName

ReferenceDescriptionDataType

IsAbstract

FALSE

References

NodeClass

BrowseName

DataType

TypeDefinition

Other

Subtype of Structure defined in OPC 10000-5

Conformance Units

Base Info ReferenceDescription

This structure contains the description of a Referencewithout SourceNode. It can be used to list a path of Referenceswithout repeating the SourceNode, like in the ReferenceRefinement Propertyin 5.3.1. The structure is defined in Table 18.

Table 18– ReferenceListEntryDataType Structure

Name

Type

Description

ReferenceListEntryDataType

structure

ReferenceType

NodeId

The Node Id of the ReferenceType used as Reference.

IsForward

Boolean

The direction of the Reference, if TRUE in forward direction, if FALSE, in inverse direction. For symmetric references it shall always be set to TRUE.

TargetNode

ExpandedNodeId

The TargetNode of the Reference.

Its representation in the AddressSpaceis defined in Table 19.

Table 19– ReferenceListEntryDataType Definition

Attribute

Value

BrowseName

ReferenceListEntryDataType

IsAbstract

FALSE

References

NodeClass

BrowseName

DataType

TypeDefinition

Other

Subtype of Structure defined in OPC 10000-5

Conformance Units

Base Info ReferenceDescription