Hi,

I want to wire a 2 wires transmitter 4-20ma  with S7-300 module 6ES7 331-1KF02-0AB0 , i made this small drawing and ask your help to confirm it . 

Thank you 

Hi sara9590,

this looks ok, you can also find this here:

Analog input module SM 331; AI 8 x 13 Bit; (6ES7331-1KF02-0AB0)

-> Wiring: 2-wire and 4-wire transducers for current measurement

-> Example "2" -> 2-wire transducer (4 mA to 20 mA)

regards

sancruz