The OPC UA ReferenceType IsConnectedTo is used to describe dependencies between objects which are mounted or mechanically linked or connected to each other. The IsConnectedTo reference is symmetric and has no InverseName.

Example for usage in this companion specification: a motor IsConnectedTo to a gear and vice versa.

Typically, the reference is used to describe the relationships of motors and gears within the same powertrain.

The SourceNode of this type shall be an ObjectType or Object and the TargetNode shall be an Object.

Table 110 – IsConnectedTo Reference Definition

Attributes	Value
BrowseName	IsConnectedTo
InverseName
Symmetric	True
IsAbstract	False
Subtype of the NonHierarchicalReferences defined in OPC Unified Architecture Part 5
References	NodeClass	BrowseName	DataType	TypeDefinition	ModellingRule