NodeClass TOC Previous Next Specification

The fields of the NodeClass DataType are defined in the following table:

Name Value Description
Unspecified 0 No value is specified.
Object 1 The Node is an Object.
Variable 2 The Node is a Variable.
Method 4 The Node is a Method.
ObjectType 8 The Node is an ObjectType.
VariableType 16 The Node is a VariableType.
ReferenceType 32 The Node is a ReferenceType.
DataType 64 The Node is a DataType.
View 128 The Node is a View.

The representation of the NodeClass DataType in the address space is shown in the following table:

Name Attribute
NodeId i=257
NamespaceUri http://opcfoundation.org/UA/
BrowseName NodeClass
IsAbstract False
SubtypeOf Enumeration
Categories Base Info Base Types

The references from the NodeClass DataType Node are shown in the following table:

Reference NodeClass BrowseName DataType TypeDefinition ModellingRule
HasProperty Variable EnumValues EnumValueType[] PropertyType