Connection examples for redundant I/Os
C.14 SM 421; DI 32 x UC 120 V, 6ES7 421–1EL00–0AA0
CPU 410-5H Process Automation
350
System Manual, 09/2014, A5E31622160-AB
C.14
SM 421; DI 32 x UC 120 V, 6ES7 421–1EL00–0AA0
The diagram below shows the connection of a redundant encoder to two SM 421;
DI 32 x UC 120 V. The encoder is connected to channel 0.
Figure C-12 Example of an interconnection with SM 421; DI 32 x UC 120 V