This ObjectType is used to represent object types not covered by this specification (standard or proprietary object types).

The BACnetObjectTypeUnknown is formally defined in Table 9.

Table 9 – BACnetObjectTypeUnknown Definition

Attribute	Value
BrowseName	BACnetObjectTypeUnknown
IsAbstract	False
References	NodeClass	BrowseName	DataType	TypeDefinition	Other
Subtype of the BACnetObjectType defined in 7.1
0:HasComponent	Variable	Object_Type	BACnetObjectTypeEnum	0:BaseDataVariableType	M

This OPC UA Property, of DataType BACnetObjectTypeEnum, represents the BACnet property Object_Type. The BACnetObjectTypeEnum DataType is defined in 10.4.21.

The property is an enumeration that describes the BACnet object type of the type not covered by this specification. This information is contained in the OPC UA type definition NodeId for the BACnet object types mapped in this specification.