Sm 421; Di 32 X Dc 24 V, 6Es7 421-1Bl00-0Ab0 - Siemens SIMATIC S7-400H System Manual

Connection examples for redundant I/Os
E.12 SM 421; DI 32 x DC 24 V, 6ES7 421–1BL00–0AB0
E.12 SM 421; DI 32 x DC 24 V, 6ES7 421–1BL00–0AB0
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 E-12
472
Example of an interconnection with SM 421; DI 32 x 24 V
System Manual, 03/2012, A5E00267695-11
S7-400H