Redundant PLCs for maximum availability

14 March 2022

With its redundancy function, the RFC 4072R PLCnext Control device from Phoenix Contact is suited to use in high-availability applications.

The PLC supports Profinet S2 redundancy without the need for additional applicative programming work. The user benefits from easy commissioning based on the PLCnext Engineer engineering environment. Assigning a system IP address enables automatic communication with the process-managing controller of the redundancy system, which opens up advantages during handling and when switching between connected visualisation systems. 

With the implemented OPC UA pub/sub functionality, high-performance and structured controller-to-controller communication can also be realised between different redundancy systems.

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