F.2
SM 321; DI 32 x DC 24 V, 6ES7 321–1BL00–0AA0
The diagram below shows the connection of two redundant encoder pairs to two redundant
SM 32; DI 32 x DC 24 V. The encoders are connected to channel 0 and channel 16 respectively.
Figure F-2
S7-400H
System Manual, 09/2007, A5E00267695-03
Example of an interconnection with SM 321; DI 32 x DC 24 V
Connection examples for redundant I/Os
F.2 SM 321; DI 32 x DC 24 V, 6ES7 321–1BL00–0AA0
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