UADP Message mapping – OPC Unified Architecture

9.2.1 UADP Message mapping

9.2.1.1 UadpWriterGroupMessageType

This ObjectType represents UADP message mapping specific parameters for a WriterGroup. The UadpWriterGroupMessageType is formally defined in Table 336.

Table 336 – UadpWriterGroupMessageType definition

Attribute	Value
BrowseName	UadpWriterGroupMessageType
IsAbstract	False

References	NodeClass	BrowseName	DataType	TypeDefinition	ModellingRule
Subtype of WriterGroupMessageType defined in 9.1.6.8.
HasProperty	Variable	GroupVersion	VersionTime	PropertyType	Mandatory
HasProperty	Variable	DataSetOrdering	DataSetOrderingType	PropertyType	Mandatory
HasProperty	Variable	NetworkMessage‌ContentMask	UadpNetworkMessageContentMask	PropertyType	Mandatory
HasProperty	Variable	SamplingOffset	Duration	PropertyType	Optional
HasProperty	Variable	PublishingOffset	Duration[]	PropertyType	Mandatory
Conformance Units
PubSub Model UADP

The GroupVersion is defined in 6.3.1.1.2.

The DataSetOrdering is defined in 6.3.1.1.3.

The NetworkMessageContentMask is defined in 6.3.1.1.4.

The SamplingOffset is defined in 6.3.1.1.5.

The PublishingOffset is defined in 6.3.1.1.6.

9.2.1.2 UadpDataSetWriterMessageType

This ObjectType represents UADP message mapping specific parameters for a DataSetWriter. The UadpDataSetWriterMessageType is formally defined in Table 337.

Table 337 – UadpDataSetWriterMessageType definition

Attribute	Value
BrowseName	UadpDataSetWriterMessageType
IsAbstract	False

References	NodeClass	BrowseName	DataType	TypeDefinition	ModellingRule
Subtype of DataSetWriterMessageType defined in 9.1.7.4.
HasProperty	Variable	DataSetMessageContentMask	UadpDataSetMessage‌ContentMask	PropertyType	Mandatory
HasProperty	Variable	ConfiguredSize	UInt16	PropertyType	Mandatory
HasProperty	Variable	NetworkMessageNumber	UInt16	PropertyType	Mandatory
HasProperty	Variable	DataSetOffset	UInt16	PropertyType	Mandatory
Conformance Units
PubSub Model UADP

The DataSetMessageContentMask is defined in 6.3.1.3.2.

The ConfiguredSize is defined in 6.3.1.3.2.

The NetworkMessage is defined in 6.3.1.3.4.

The DataSetOffset is defined in 6.3.1.3.5.

9.2.1.3 UadpDataSetReaderMessageType

This ObjectType represents UADP message mapping specific parameters for a DataSetReader. The UadpDataSetWriterMessageType is formally defined in Table 338.

Table 338 – UadpDataSetReaderMessageType definition

Attribute	Value
BrowseName	UadpDataSetReaderMessageType
IsAbstract	False

References	Node Class	BrowseName	DataType	TypeDefinition	Modelling Rule
Subtype of DataSetReaderMessageType defined in 9.1.8.4.
HasProperty	Variable	GroupVersion	VersionTime	PropertyType	Mandatory
HasProperty	Variable	NetworkMessageNumber	UInt16	PropertyType	Mandatory
HasProperty	Variable	DataSetOffset	UInt16	PropertyType	Mandatory
HasProperty	Variable	DataSetClassId	Guid	PropertyType	Mandatory
HasProperty	Variable	NetworkMessageContentMask	UadpNetworkMessage‌ContentMask	PropertyType	Mandatory
HasProperty	Variable	DataSetMessageContentMask	UadpDataSetMessage‌ContentMask	PropertyType	Mandatory
HasProperty	Variable	PublishingInterval	Duration	PropertyType	Mandatory
HasProperty	Variable	ReceiveOffset	Duration	PropertyType	Mandatory
HasProperty	Variable	ProcessingOffset	Duration	PropertyType	Mandatory
Conformance Units
PubSub Model UADP

The GroupVersion is defined in 6.3.1.4.1.

The NetworkMessageNumber is defined in 6.3.1.4.2.

The DataSetOffset is defined in 6.3.1.4.3.

The DataSetClassId is defined in 6.3.1.4.4. The initial value is null.

The NetworkMessageContentMask is defined in 6.3.1.4.5.

The DataSetMessageContentMask is defined in 6.3.1.4.6.

The PublishingInterval is defined in 6.3.1.4.7.

The ReceiveOffset is defined in 6.3.1.4.8.

The ProcessingOffset is defined in 6.3.1.4.9.