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F.7 UAInstance

A UAInstanceis a subtype of the UANodedefined in F.3. It is the base type for the types defined in Table F.6. The fields in the UAInstancetype are defined in Table F.7. Subtypes of UAInstancewhich have fields in addition to those defined in OPC 10000-3are described in detail below.

Table F.6– UANodeSet Instance Nodes

Subtype

Description

UAObject

Defines an Object Nodeas described in OPC 10000-3.

UAVariable

Defines a Variable Nodeas described in OPC 10000-3.

UAMethod

Defines a Method Nodeas described in OPC 10000-3.

UAView

Defines a View Nodeas described in OPC 10000-3.

Table F.7– UAInstance

Element

Type

Description

All of the fields from the UANodetype described in F.3.

ParentNodeId

NodeId

The NodeIdof the Nodethat is the parent of the Nodewithin the information model. This field is used to indicate that a tight coupling exists between the Nodeand its parent (e.g. when the parent is deleted the child is deleted as well). This information does not appear in the AddressSpaceand is intended for use by design tools.

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