Connection examples for redundant I/Os   
C.18 SM 322; DO 8 x DC 24 V/2 A, 6ES7 322–1BF01–0AA0 
  CPU 410 Process Automation/CPU 410 SMART 
408  System Manual, 05/2017, A5E31622160-AC 
 
SM 322; DO 8 x DC 24 V/2 A, 6ES7 322–1BF01–0AA0 
The diagram below shows the connection of an actuator to two redundant SM 322; DO 8 x 
DC 24 V. The actuator is connected to channel 0.  
Types with U
_r 
>=200 V and I_
F 
>= 2 A are suitable as diodes 
 
Figure C-16  Example of an interconnection with SM 322; DO 8 x DC 24 V/2 A