10.2 ApplicationId

The ApplicationId is used to store an identifier, which can be a Numeric, String, Guid, or ByteString.

The ApplicationId DataType is formally defined in Table 123.

Table 123 – ApplicationId union
Name Type Description
ApplicationIdUnionSubtype of Union defined in OPC 10000-5

IdNumeric

0:UInt32A numeric identifier

IdString

0:StringA string identifier limited to a max of 4096 characters

IdGuid

0:GuidA GUID identifier.

IdByteString

0:ByteStringA ByteString identifier limited to a max of 4096 bytes

The ApplicationId representation in the AddressSpace is formally defined in Table 124.

Table 124 – ApplicationId definition
Attribute Value
BrowseName3:ApplicationId
IsAbstractFalse
References NodeClass BrowseName DataType TypeDefinition Other
Subtype of the 0:Union defined in OPC 10000-5
ConformanceUnits
UAFX FunctionalEntity Base