OPC Unified Architecture (UA) is the next generation of OPC. One of the most important improvements offered by the OPC UA is a powerful Address Space exposed by the server to reflect the Information Model (OPC UA IM) of the underling process. The process information model is represented by nodes, attributes and their mutual relationships. Therefore, this powerful concept allows us to present in UA not only raw process data, but also complete information about the process state and process environment. The flexibility of OPC UA IM ensures that there is no existing or future system that is too complicated to be exposed via UA. Of course, such flexibility leads to complications during configuration, that’s why OPC UA Address Space Model Designer (OPC UA ASMD) has been born.
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