6ES7331-7KF02-0AB0 SM331, 8AI, 9/12/14Bit SIMATIC S7-300, Analog input SM 331, isolated, 8 AI, Resolution 9/12/14 bits, U/I/thermocouple/resistor, alarm, diagnostics, 1x 20-pole Removing/inserting with active backplane bus
6ES7331-7PE10-0AB0 SM331, 6AI, 16bit, Thermocouple SIMATIC S7-300, Analog input SM 331, single channel Isolated 250 V AC, 6 AI thermocouples Type B, E, J, K, L, N, R, S, T Voltage: +/-25MV to +/-1V 16 bit, 50ms, 1x 40-pole