The diagram below shows the connection of a 2-wire measuring transducer to two redundant
SM 331; AI 8 x 0/4...20 mA HART.
Figure F-28
S7-400H
System Manual, 09/2007, A5E00267695-03
F.27 SM331; AI 8 x 0/4...20ma HART, 6ES7 331-7TF01-0AB0
Interconnection example 2 SM 331; AI 8 x 0/4...20 mA HART
Connection examples for redundant I/Os
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