Software-based solution protects plant uptime

12 September 2022

Availability plays a crucial role in the process industry in particular, so building redundancy into automation technology designs is vital. Beckhoff expanded its extensive range of solutions in this area to include a software solution for redundant control operation –TwinCAT Controller Redundancy.

TwinCAT Controller Redundancy (TF1100) is a software-based solution that allows two standard industrial PCs that both run the same PLC program to operate as redundant controllers in just a few easy steps. 

An additional network connection between the two controllers provides the necessary synchronisation. Standard Ethernet is used so that no dedicated hardware components are required and ensures that only one of the two industrial PCs addresses the fieldbus components at any given time, and that the control programs are executed simultaneously on both computers. 

This synchronicity is the basic prerequisite for changing the primary industrial PC in the event of a fault without losing any information.

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