Characteristic values of redundant automation systems
A.2 Comparison of MTBF for selected configurations
Redundant CPUs with redundant I/Os
The comparison only took account of the I/O modules.
Single-channel, one-sided I/O
Redundant I/O
444
MTBF factor
1
MTBF factor
See following
table
System Manual, 03/2012, A5E00267695-11
S7-400H