Characteristic values of redundant automation systems
A.2 Comparison of MTBF for selected configurations
CPU 410-5H Process Automation
System Manual, 09/2014, A5E31622160-AB
329
Redundant CPUs in different racks
Redundant CPU 410-5H in divided rack, CCF = 2%
Factor
approx. 20
Redundant CPU 410-5H in two separate racks, CCF = 1 %
Factor
approx. 38