SIMATIC S7-300, Analog input modules SIEMENS SM 331 series 

Input/ output module type

I/O module

Power supply voltage

24VDC

Power consumption/Power loss

1.5W, 1W, 0.6W, 3W, 2.2W, 0.4W, 4.6W

Number of analog inputs (No.AI)

8, 2, 6

Analog input resolution

14bit, 9/12/14bit, 16bit, 13bit

Analog input range

0...20mA, -20...20mA, 4...20mA, -1...1VDC, 1...5VDC, -10...10VDC, -5...5VDC, -500...500mV, -80mV...80mV, -10...10mA, -3.2...3.2mA, -2.5...2.5VDC, -250mV...250mV, Resistance thermometer: Ni 1000, Resistance thermometer: Pt 100, Resistors: 0 to 150 ohms, Resistors: 0 to 300 ohms, Resistors: 0 to 600 ohms, Thermocouples: Type E, Thermocouples: Type J, Thermocouples: Type K, Thermocouples: Type N, Thermocouples: Type L, -50mV...50mV, Thermocouples: Type B, Thermocouples: Type C, Thermocouples: Type R, Thermocouples: Type S, Thermocouples: Type T, Thermocouples: Type TXK/TXK(L) to GOST, Thermocouples: Type U, Resistors: 0 to 6000 ohms, Resistance thermometer: LG-Ni 1000, Resistance thermometer: Cu 10, Resistance thermometer: Ni 120, Resistance thermometer: Ni 200, Resistance thermometer: Ni 500, Resistance thermometer: Pt 1000, Resistance thermometer: Pt 200, Resistance thermometer: Pt 500

Connection method

20-pin connectors, 40-pin connectors

Mounting method

DIN-rail

Operation ambience

Indoor

Approx. weight

230g, 250g, 272g

Overall width

40mm

Overall height

125mm

Overall depth

117mm, 120mm

Separately accessories

SIMATIC S7-300, Front connector: 6ES7392-1BJ00-0AA0, Front connector: 6ES7392-1AJ00-0AA0, DIN-rail: HYBT-01, DIN-rail: PFP-100N, DIN-rail: TC 5x35x1000-Aluminium, DIN-rail: TC 5x35x1000-Steel, Front connector: 6ES7392-1AM00-0AA0, Front connector: 6ES7392-1BM01-0AA0

Compatible device

CPU: 6ES7312-1AE14-0AB0, CPU: 6ES7314-1AG14-0AB0, CPU: 6ES7315-2AH14-0AB0, CPU: 6ES7315-2EH14-0AB0, CPU: 6ES7317-2AK14-0AB0, CPU: 6ES7318-3EL01-0AB0

Other option (Sold separately)

I/O: 6ES7332-5HB01-0AB0, I/O: 6ES7332-5HD01-0AB0, I/O: 6ES7332-5HF00-0AB0, I/O: 6ES7332-7ND02-0AB0