Connection examples for redundant I/Os 
  C.13 SM 326; DI 24 x DC 24 V, 6ES7 326–1BK00–0AB0 
CPU 410-5H Process Automation/CPU 410 SMART 
System Manual, 10/2013, A5E32631667-AA 
319 
 
SM 326; DI 24 x DC 24 V, 6ES7 326–1BK00–0AB0 
The diagram below shows the connection of one encoder to two redundant SM 326; DI 24 x 
DC 24 V. The encoder is connected to channel 13. 
 
Figure C-11  Example of an interconnection with SM 326; DI 24 x DC 24 V