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This ObjectType is a concrete type for Objects representing DataSetReader groupings for PubSub connections. The ReaderGroupType is formally defined in Table 114.

Table 119 – ReaderGroupType Definition

Attribute	Value
BrowseName	ReaderGroupType
IsAbstract	False
References	Node Class	BrowseName	Data Type	TypeDefinition	Modelling Rule
Subtype of PubSubGroupType defined in 9.1.6.2
HasDataSetReader	Object	<DataSetReaderName>		DataSetReaderType	OptionalPlaceholder
HasComponent	Object	Diagnostics		PubSubDiagnostics‌ReaderGroupType	Optional
HasComponent	Object	TransportSettings		ReaderGroupTransportType	Optional
HasComponent	Object	MessageSettings		ReaderGroupMessageType	Optional
HasComponent	Method	AddDataSetReader	Defined in 9.1.6.10.		Optional
HasComponent	Method	RemoveDataSetReader	Defined in 9.1.6.11.		Optional

The configured DataSetReaderType Objects are added as components to the instance of the group. DataSetReaderType Objects may be configured with product specific configuration tools or through OPC UA Methods AddDataSetReader and RemoveDataSetReader. The DataSetReaderType is defined in 9.1.8.1. The ReferenceType HasDataSetReader is defined in 9.1.6.12.

The Diagnostics Object provides the current diagnostic information for a ReaderGroupType Object. The PubSubDiagnosticsReaderGroupType is defined in 9.1.11.10.

The transport protocol mapping specific setting settings are provided in the optional Object TransportSettings. The ReaderGroupTransportType is defined in 9.1.6.13. The Object shall be present if the transport protocol mapping defines specific parameters.

The message mapping specific setting settings are provided in the optional Object MessageSettings. The ReaderGroupMessageType is defined in 9.1.6.14. The Object shall be present if the message mapping defines specific parameters.