Siemens CPU 410-5H Process Automation - Page 301

Characteristic values of redundant automation systems
A.2 Comparison of MTBF for selected configurations
CPU 410-5H Process Automation/CPU 410 SMART
System Manual, 10/2013, A5E32631667-AA
301
Redundant CPUs with single-channel one-sided or switched I/O
One-sided distributed I/O
Base line
1
Switched distributed I/O, PROFIBUS DP, CCF = 2 %
Factor
approx. 15