Siemens SIMATIC S7-400H System Manual page 491
Fault-tolerant systems
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Also See for SIMATIC S7-400H:
- System manual (376 pages) ,
- Manual (337 pages) ,
- Manual (210 pages)
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The diagram below shows the connection of a 2-wire transmitter to two redundant SM 331;
AI 8 x 0/4...20mA HART.
Figure E-31
S7-400H
System Manual, 03/2012, A5E00267695-11
E.30 SM331; AI 8 x 0/4...20mA HART, 6ES7 331-7TF01-0AB0
Interconnection example 2 SM 331; AI 8 x 0/4...20mA HART
Connection examples for redundant I/Os
491
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