F.13 Sm 421; Di 32 X Dc 24 V, 6Es7 421-1Bl01-0Ab0 - Siemens SIMATIC S7-400H System Manual

Connection examples for redundant I/Os
F.13 SM 421; DI 32 x DC 24 V, 6ES7 421–1BL01–0AB0
F.13 SM 421; DI 32 x DC 24 V, 6ES7 421–1BL01–0AB0
The diagram below shows the connection of two redundant encoders to two SM 421;
D1 32 x 24 V. The encoders are connected to channel 0.
Figure F-13
348
Example of an interconnection with SM 421; DI 32 x 24 V
System Manual, 09/2007, A5E00267695-03
S7-400H