Sm 321; Di 16 X Dc 24V, 6Es7 321-7Bh01-0Ab0; F.6 Sm 321; Di 16 X Dc 24V, 6Es7 321–7Bh01–0Ab0 - Siemens SIMATIC S7-400H System Manual

F.6 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 F-6
S7-400H
System Manual, 09/2007, A5E00267695-03
Example of an interconnection with SM 321; DI 16 x DC 24V
Connection examples for redundant I/Os
F.6 SM 321; DI 16 x DC 24V, 6ES7 321–7BH01–0AB0
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