Sm 321; Di 16 X Ac 120/230V, 6Es7 321-1Ff00-0Aa0; F.3 Sm 321; Di 16 X Ac 120/230V, 6Es7 321–1Ff00–0Aa0 - Siemens SIMATIC S7-400H System Manual

Connection examples for redundant I/Os
F.3 SM 321; DI 16 x AC 120/230V, 6ES7 321–1FF00–0AA0
F.3 SM 321; DI 16 x AC 120/230V, 6ES7 321–1FF00–0AA0
The diagram below shows the connection of two redundant encoders to two SM 321;
DI 16 x AC 120/230 V. The encoders are connected to channel 0.
Figure F-3
338
Example of an interconnection with SM 321; DI 16 x AC 120/230 V
System Manual, 09/2007, A5E00267695-03
S7-400H