Sm 421; Di 32 X Uc 120 V, 6Es7 421-1El00-0Aa0 - Siemens SIMATIC PCS 7 System Manual

Process control system cpu 410-5h process automation/cpu 410 smart

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Connection examples for redundant I/Os

C.14 SM 421; DI 32 x UC 120 V, 6ES7 421–1EL00–0AA0

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

CPU 410-5H Process Automation/CPU 410 SMART

System Manual, 09/2014, A5E32631667-AB