SIPLUS S7-1200 SM 1231 4AI 13 bit based on 6ES7231-4HD32-0XB0 with conformal coating, -20…+60 °C, analog input, 4 AI, +/-10 V, +/-5 V, +/-2.5 V, or 0-20 mA 12-bit+ sign bit (13 bit ADC)
SIPLUS S7-300 PS 307 -25 ... +70°C with conformal coating based on 6ES7307-1EA01-0AA0 . STABILIZED POWER SUPPLY INPUT: 120/230 V AC OUTPUT: 24 V DC/5 A.