OPC 10000-4defines a set of DataTypes. Their representation in the AddressSpaceis defined in Table 130.

Table 130– OPC 10000-4DataType Definitions

BrowseName

AnonymousIdentityToken

DataValue

DiagnosticInfo

ExpandedNodeId

SignedSoftwareCertificate

UserIdentityToken

UserNameIdentityToken

X509IdentityToken

SecurityTokenRequestType

AddNodesItem

AddReferencesItem

DeleteNodesItem

DeleteReferencesItem

NumericRange

MessageSecurityMode

ApplicationDescription

The SecurityTokenRequestTypeis an enumeration that is defined as the type of the requestType parameter of the OpenSecureChannel Servicein OPC 10000-4.

The AddNodesItemis a structure that is defined as the type of the nodesToAdd parameter of the AddNodes Servicein OPC 10000-4.

The AddReferencesItemis a structure that is defined as the type of the referencesToAdd parameter of the AddReferences Servicein OPC 10000-4.

The DeleteNodesItemis a structure that is defined as the type of the nodesToDelete parameter of the DeleteNodes Servicein OPC 10000-4.

The DeleteReferencesItemis a structure that is defined as the type of the referencesToDelete parameter of the DeleteReferences Servicein OPC 10000-4.

The Referencesof UserIdentityTokenare defined in Table 131.

Table 131– UserIdentityToken Definition

Attributes	Value
BrowseName	UserIdentityToken
IsAbstract	TRUE
References	NodeClass	BrowseName	IsAbstract
HasSubtype	DataType	UserNameIdentityToken	FALSE
HasSubtype	DataType	X509IdentityToken	FALSE
HasSubtype	DataType	AnonymousIdentityToken	FALSE