Sm 321; Di 16 X Dc 24V, 6Es7 321-7Bh00-0Ab0 - Siemens SIMATIC CPU 410 System Manual

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
CPU 410 Process Automation/CPU 410 SMART
System Manual, 05/2017, A5E31622160-AC
Example of an interconnection with SM 321; DI 16 x DC 24V
Connection examples for redundant I/Os
C.9 SM 321; DI 16 x DC 24V, 6ES7 321–7BH00–0AB0
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