Using I/Os in S7-400H
10.5 Connecting redundant I/Os
2. Redundant I/O in the one-sided DP slave
Figure 10-3
128
To achieve this, the signal modules are installed in pairs in ET 200M distributed I/O
devices with active backplane bus.
Redundant I/O in the one-sided DP slave
System Manual, 09/2007, A5E00267695-03
S7-400H