Summary of Attributes of the NodeClasses – OPC Unified Architecture

5.9 Summary of Attributes of the NodeClasses

Table 18 summarises all Attributes defined in this document and points out which NodeClasses use them either in an optional (O) or mandatory (M) way.

Table 18 – Overview of Attributes

Attribute	Variable	Variable Type	Object	Object Type	Reference Type	DataType	Method	View
AccessLevel	M
AccessLevelEx	O
AccessRestrictions	O	O	O	O	O	O	O	O
ArrayDimensions	O	O
BrowseName	M	M	M	M	M	M	M	M
ContainsNoLoops								M
DataType	M	M
DataTypeDefinition						O
Description	O	O	O	O	O	O	O	O
DisplayName	M	M	M	M	M	M	M	M
EventNotifier			M					M
Executable							M
Historizing	M
InverseName					O
IsAbstract		M		M	M	M
MinimumSamplingInterval	O
NodeClass	M	M	M	M	M	M	M	M
NodeId	M	M	M	M	M	M	M	M
RolePermissions	O	O	O	O	O	O	O	O
Symmetric					M
UserAccessLevel	M
UserExecutable							M
UserRolePermissions	O	O	O	O	O	O	O	O
UserWriteMask	O	O	O	O	O	O	O	O
Value	M	O
ValueRank	M	M
WriteMask	O	O	O	O	O	O	O	O