ProSafe-RS

With its flexible selection of redundant CPU and I/O modules, ProSafe-RS delivers the high availability required by even SIL3 applications. Rather than making selections at the system or rack level, you can apply redundancy exactly where it is needed - in specific input, output or processor modules - depending on such factors as the required SIL for a loop or the reliability of field devices.
This is possible because the I/O and processing functions of ProSafe-RS have a modularity that extends down to the function level.

Even when an internal failure occurs, safety functionality is maintained, reducing the likelihood of a false trip in a process.
We call this flexible plug-in availability  “Versatile　Modular　Redundancy”　(VMR®), and the VMR trademark was registered with the US Patent and Trademark Office on March 20,2007.