In order to integrate process values in the Machinery Information Model including device information, the device should be represented as component of a machine. An example ObjectType X:MySensorType is shown in Figure 1. It provides identification information using the 4:MachineryComponentIdentificationType. The process values – a device can potentially provide more than one process value – are grouped by the 3:SignalSet defined in the 3:ISignalSetType of OPC 30081. To provide the overall health status of the device as well as specific errors, the 2:IDeviceHealthType is implemented, defined in OPC 10000-100.
Note that it is not required to provide any device information to use the process values defined in this specification. However, this mechanism provides information about the identification and health status of the device.
