Connection examples for redundant I/Os
C.15 SM 421; DI 16 x DC 24 V, 6ES7 421–7BH01–0AB0
CPU 410 Process Automation/CPU 410 SMART
System Manual, 05/2017, A5E31622160-AC
405
SM 421; DI 16 x DC 24 V, 6ES7 421–7BH01–0AB0
The diagram below shows the connection of two redundant encoders pairs to two
SM 421; D1 16 x 24 V. The encoders are connected to channel 0 and 8.
Figure C-13 Example of an interconnection with SM 421; DI 16 x 24 V
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