Components is a container for one or more instances of subtypes of ComponentType defined in OPC UA DI. The listed components are installed in the motion device system, e.g. a processing-unit, a power-supply, an IO-board or a drive, and have an electrical interface to the controller.

Table 38 – TypeDefinition of Components of ControllerType

Attribute	Value
BrowseName	Components
References	Node Class	BrowseName	DataType	TypeDefinition	Modelling Rule
HasComponent	Object	<ComponentIdentifier>		2:ComponentType	MandatoryPlaceholder

The AuxiliaryComponentType and DriveType are the only subtypes of ComponentType for use in this container which are described in this specification. The intention is to integrate inside this container devices which are defined in other companion specifications using DI.