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An instance of a subtype of this abstract ObjectType represents network address information. The NetworkAddressType is formally defined in Table A.12.

Table A.12 – NetworkAddressType Definition

Attribute	Value
BrowseName	NetworkAddressType
IsAbstract	True
References	Node Class	BrowseName	DataType	TypeDefinition	Modelling Rule
Subtype of BaseObjectType defined in OPC 10000-5.
HasComponent	Variable	NetworkInterface	String	SelectionListType	Mandatory
HasSubtype	ObjectType	NetworkAddressUrlType	Defined in A.3.2.

The NetworkInterface Variable allows the selection of the network interface used for the communication relation. The network interface can be listed by name, by IP address or a combination of name and IP address. The SelectionValues Property of the SelectionListType shall contain the list of available network interfaces as application specific strings. The Value of the Variable contains the selected network interface as String. The SelectionListType is defined in OPC 10000-5. The Object may allow providing additional Strings not defined in the SelectionValues. In this case the NotRestrictToList Property of the SelectionListType is set to true.