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Integration of IIoT Communication Protocols in Distributed Control Applications

Trends using Internet technologies in the industrial domain have more and more influence on the design of applications and provide more options for data exchange. This paper proposes concepts to integrate communication protocols, which are very often used in combination with IIoT, into the distributed control domain at shop floor. Originally used for vertical integration, IIoT protocols such as MQTT or OPC UA can also be used for horizontal communication between industrial devices in a distributed control system following the CPS approach. This makes it possible to adapt production processes dynamically, highly flexibly and efficiently to new requirements from a product or logistics perspective. First results show that the concepts can achieve a good transmission performance, which is sufficient for very many production processes to be automated.