OPC UA for Devices (short-name DI) provides a generic way to expose the structure of a Device and its components. Device parameters can be grouped according to their functional purpose (e.g. Configuration, Maintenance, and Diagnostics). It enables systems to configure, troubleshoot, and operate a device without any prior knowledge of the device. OPC UA for Devices is the base for more specialized models, e.g. for Analyzer Devices (ADI), Field Device Integration (FDI), or for PLCs (PLCopen).