Siemens CPU 410-5H Process Automation - SM 321; DI 8 X AC 120;230 V, 6 ES7 321-1 FF01-0 AA0

Connection examples for redundant I/Os
C.8 SM 321; DI 8 x AC 120/230 V, 6ES7 321–1FF01–0AA0
CPU 410-5H Process Automation/CPU 410 SMART
314 System Manual, 10/2013, A5E32631667-AA
C.8
SM 321; DI 8 x AC 120/230 V, 6ES7 321–1FF01–0AA0
The diagram below shows the connection of two redundant encoders to two SM 321; DI 8
AC 120/230 V. The encoders are connected to channel 0.
Figure C-6 Example of an interconnection with SM 321; DI 8 x AC 120/230 V