UA Part 14: PubSub - 6.2.7 ReaderGroup Parameters

Errata exists for this version of the document.

The ReaderGroup does not add parameters to the shared PubSubGroup parameters.

The ReaderGroup is used to group a list of DataSetReaders. It is not symmetric to a WriterGroup and it is not related to a particular NetworkMessage. The NetworkMessage related filter settings are on the DataSetReaders.

6.2.7.2 ReaderGroup Structures

6.2.7.2.1 ReaderGroupDataType

This Structure DataType is used to represent the configuration parameters for ReaderGroups. The ReaderGroupDataType is formally defined in Table 32.

Table 32 – ReaderGroupDataType Structure

Name	Type	Description
ReaderGroupDataType	Structure
transportSettings	ReaderGroupTransportDataType	Transport mapping specific ReaderGroup parameters. The abstract base type is defined in 6.2.7.2.2. The concrete subtypes are defined in the sections for transport mapping specific parameters.
messageSettings	ReaderGroupMessageDataType	NetworkMessage mapping specific ReaderGroup parameters. The abstract base type is defined in 6.2.7.2.3. The concrete subtypes are defined in the sections for message mapping specific parameters.
dataSetReaders	DataSetReaderDataType[]	The DataSetReaders contained in the ReaderGroup. The DataSetReader is defined in 6.2.8.

The ReaderGroupDataType Structure representation in the AddressSpace is defined in Table 33.

Table 33 – ReaderGroupDataType Definition

Attributes	Value
BrowseName	ReaderGroupDataType
IsAbstract	False
References	NodeClass	BrowseName	IsAbstract
Subtype of PubSubGroupDataType defined in 0.

6.2.7.2.2 ReaderGroupTransportDataType

This Structure DataType is an abstract base type for transport mapping specific ReaderGroup parameters. The abstract DataType does not define fields.

The ReaderGroupTransportDataType Structure representation in the AddressSpace is defined in Table 34.

Table 34 – ReaderGroupTransportDataType Definition

Attributes	Value
BrowseName	ReaderGroupTransportDataType
IsAbstract	True
References	NodeClass	BrowseName	IsAbstract
Subtype of Structure defined in OPC 10000-5.

6.2.7.2.3 ReaderGroupMessageDataType

This Structure DataType is an abstract base type for message mapping specific ReaderGroup parameters. The abstract DataType does not define fields.

The ReaderGroupMessageDataType Structure representation in the AddressSpace is defined in Table 35.

Table 35 – ReaderGroupMessageDataType Structure

Attributes	Value
BrowseName	ReaderGroupMessageDataType
IsAbstract	True
References	NodeClass	BrowseName	IsAbstract
Subtype of Structure defined in OPC 10000-5.