Siemens SIMATIC PCS 7 CPU 410-5H

Connection examples for redundant I/Os
C.5 SM 321; DI 16 x DC 24 V, 6ES7 321–1BH02–0AA0
CPU 410-5H Process Automation
System Manual, 09/2014, A5E31622160-AB
341
C.5
SM 321; DI 16 x DC 24 V, 6ES7 321–1BH02–0AA0
The diagram below shows the connection of two redundant encoders to two SM 321;
DI 16 x DC 24 V. The encoders are connected to channel 0.
Figure C-3 Example of an interconnection with SM 321; DI 16 x DC 24 V