The Compressed Air Systemand Airnetsare identified by an Identification Objectof the CASIdentificationType which uses the InterfaceITagNameplateType and its Properties.

The Main Control Systemis identified by an Identification Objectof the MachineryComponentIdentificationType.

Componentsare identified by an Identification Objectof a subtype of the abstract MachineryItemIdentificationType defined by OPC UA for Machinery (OPC 40001-1). The MachineryItemIdentificationType and its subtypes provide the capabilities to globally uniquely identify the Componentand have access to vendor defined information about the Componentand manage user-specific information for the identification of the Component. When instantiating a Component, the Identification Objectmust use an appropriate subtype of the MachineryItemIdentificationType.

For all Components and theMain Control Systemthe DeviceClass Propertyhas its Value Attributeset to a mandatory specific value and its ModellingRulechanged to mandatory.

Table 9shows for each CASPartwhat value shall be set for different applications like the DeviceClass, BrowseNameand GroupName.

Table 9– DeviceClass, BrowseName and GroupName for CASParts

CASPart Name	DeviceClass	BrowseName	GroupName
Airnet	-	Airnet	Airnets
Charging System	Charging system	ChargingSystem	ChargingSystems
Compressor	Compressor	Compressor	Compressors
Condensate Drain	Condensate drain	CondensateDrain	CondensateDrains
Condensate Separator	Condensate separator	CondensateSeparator	CondensateSeparators
Converter	Converter	Converter	Converters
Cooling System	Cooling system	CoolingSystem	CoolingSystems
Dryer	Dryer	Dryer	Dryers
Filter	Filter	Filter	Filters
Heat Recovery System	Heat recovery system	HeatRecoverySystem	HeatRecoverySystems
Main Control System	MCS	MCS	-
Receiver	Receiver	Receiver	Receivers
Sensor	Sensor	Sensor	Sensors
Valve	Valve	Valve	Valves

For Componentsthat are not defined by this specification, the DeviceClass Propertyshall be mandatory as well. The value shall match the name of the new Component.

All properties of the MachineryItemIdentificationType and its subtypes shall be used as intended by the OPC UA for Machinery (OPC 40001-1) specification.

To comply with the Finding all Machines in a Server use case of the OPC UA for Machinery (OPC 40001-1) specification, all Componentsthat are considered as machines by their manufacturer or the customer shall be added to the Machines Objectdefined in OPC 40001-1and use the MachineIdentificationType as TypeDefinition for their Identification Object. The Compressed Air System, the Main Control System, and Airnetsare not considered as machine in the sense of OPC 40001-1, whereas the following Componentsmay be considered as machines in this context (this list is not exhaustive):

• Compressors
• Converters
• Dryers