Siemens SIMATIC PCS 7 - SM 321; DI 16 X DC 24 V, 6 ES7 321-7 BH01-0 AB0

Connection examples for redundant I/Os
C.10 SM 321; DI 16 x DC 24V, 6ES7 321–7BH01–0AB0
CPU 410 Process Automation/CPU 410 SMART
400 System Manual, 05/2017, A5E31622160-AC
C.10
SM 321; DI 16 x DC 24V, 6ES7 321–7BH01–0AB0
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-8 Example of an interconnection with SM 321; DI 16 x DC 24V