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8.2 NodeId ToC Previous Next

8.2.1 General ToC Previous Next index

This Built-in DataType is composed of three elements that identify a Node within a Server. They are defined in Table 21.

Table 21 – NodeId Definition

Name Type Description
NodeId structure  
   namespaceIndex UInt16 The index for a namespace URI (see 8.2.2).
   IdType Enum The format and data type of the identifier (see 8.2.3).
   identifier * The identifier for a Node in the AddressSpace of an OPC UA Server (see 8.2.4).

See OPC 10000-6 for a description of the encoding of the identifier into OPC UA Messages.

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