M31-1CD50
4x AI 16 Bit Voltage 0…10 V, -10 V…+10 V Current 0/4…20 mA Resistance 0….3000 Ohm, RTD, Pt100, Pt1000, NI100, NI1000 in 2/3/4 conductor measurement TC type J, K, N, R, S, T, B, C, E, L and U +/-80 mV
SM M31 – Analog input