Siemens SIMATIC PCS 7 CPU 410-5H

Connection examples for redundant I/Os
C.9 SM 321; DI 16 x DC 24V, 6ES7 321–7BH00–0AB0
CPU 410-5H Process Automation
System Manual, 09/2014, A5E31622160-AB
345
C.9
SM 321; DI 16 x DC 24V, 6ES7 321–7BH00–0AB0
The diagram below shows the connection of two redundant encoder pairs to two SM 321;
DI 16 x DC 24V. The encoders are connected to channels 0 and 8.
Figure C-7 Example of an interconnection with SM 321; DI 16 x DC 24V