● For voltage measurement
Possible
● For current measurement
– As 2-wire transducer
– As 4-wire transducer
Possible; with external measuring transducer
supply
Possible
● For resistance measurement
– With 2-wire connection
– With 3-wire connection
– With 4-wire connection
Possible; line resistance is also measured
Possible
Analog modules
5.19 Analog input module SM 431; AI 8 x 13 Bit (6ES7431-1KF00-0AB0)
S7-400 Automation System Module Data
234 Reference Manual, Ausgabe 11/2016, A5E00850736-08
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