SIMATIC S7-1200, Analog input, SM 1231, 4 AI, +/-10 V, +/-5 V, +/-2.5 V, +/-1.25 or 0-20 mA/4-20 mA, 15 bit+sign bit SIMATIC S7-1200 Basic Controller - Flexible thanks to wide variety of communication options With signal modules you can adapt the configura
