Temperature transducer and PLC wiring -

temperature transducer and PLC wiring PT100 temperature transducer and PLC controller wiring problem ( Pictures for Siemens module wiring diagram) 。 Scene to 3 root signal lines respectively. A, B, B, how can I meet?

this is SM331, es7331-6 7 pf01 - 0 ab0 this model. You are four wire drawing on the above drawing, is it you want to pick up three wire system, for the SM331 AI8xRTD 3 wire connection, please bridge M + and the IC +. Please be sure to always to IC - And M - Cable connected directly to the resistance thermometer.

how transformation temperature transducer and PLC controller

a temperature transmitter range - 50 - 50 after 0 - 50 pt100, 0 Base of 100 pt100, modify the transformation method.

PT100 is to convert the temperature resistance, temperature resistance and corresponding relation is fixed, the key is KanRe resistance show that the range of, as long as the required temperature range within the range of temperature transmitter and thermal resistance. Mean temperature transmitter range in - 50 degrees when 4 ma, + 50 degrees 20 ma, according to the temperature transmitter range is set in the program.

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