SIMATIC S7-400 SM 431, AI U/I/TC/RTD 16x16 bit

Power loss: Power loss, typ.: 4.5 W. Analog inputs: Number of analog inputs: 16. For voltage/current measurement: 16. For resistance measurement: 8. permissible input voltage for voltage input (destruction limit), max.: 18 V; 18 V continuous, 75 V for 1 ms (mark to space ratio 1:20). permissible input current for current input (destruction limit), max.: 40 mA. Constant measurement current for resistance-type transmitter, typ.: 1.67 mA. Input ranges: Voltage: Yes. Current: Yes. Thermocouple: Yes. Resistance thermometer: Yes. Resistance: Yes. Input ranges (rated values), voltages: 1 V to 5 V: Yes. Input resistance (1 V to 5 V): 1 MΩ. -1 V to +1 V: Yes. Input resistance (-1 V to +1 V): 1 MΩ. -10 V to +10 V: Yes. Input resistance (-10 V to +10 V): 1 MΩ. -2.5 V to +2.5 V: Yes. Input resistance (-2.5 V to +2.5 V): 1 MΩ. -25 mV to +25 mV: Yes. Input resistance (-25 mV to +25 mV): 1 MΩ. -250 mV to +250 mV: Yes. Input resistance (-250 mV to +250 mV): 1 MΩ. -5 V to +5 V: Yes. Input resistance (-5 V to +5 V): 1 MΩ. -50 mV to +50 mV: Yes. Input resistance (-50 mV to +50 mV): 1 MΩ. -500 mV to +500 mV: Yes. Input resistance (-500 mV to +500 mV): 1 MΩ. -80 mV to +80 mV: Yes. Input resistance (-80 mV to +80 mV): 1 MΩ. Input ranges (rated values), currents: 0 to 20 mA: Yes. Input resistance (0 to 20 mA): 50 Ω. -10 mA to +10 mA: Yes. Input resistance (-10 mA to +10 mA): 50 Ω. -20 mA to +20 mA: Yes. Input resistance (-20 mA to +20 mA): 50 Ω. 4 mA to 20 mA: Yes. Input resistance (4 mA to 20 mA): 50 Ω. -5 mA to +5 mA: Yes. Input resistance (-5 mA to +5 mA): 50 Ω. Input ranges (rated values), thermocouples: Type B: Yes. Input resistance (Type B): 1 MΩ. Type E: Yes. Input resistance (Type E): 1 MΩ. Type J: Yes. Input resistance (type J): 1 MΩ. Type K: Yes. Input resistance (Type K): 1 MΩ. Type L: Yes. Input resistance (Type L): 1 MΩ. Type N: Yes. Input resistance (Type N): 1 MΩ. Type R: Yes. Input resistance (Type R): 1 MΩ. Type S: Yes. Input resistance (Type S): 1 MΩ. Type T: Yes. Input resistance (Type T): 1 MΩ. Type U: Yes. Input resistance (Type U): 1 MΩ. Input ranges (rated values), resistance thermometer: Ni 100: Yes. Input resistance (Ni 100): 1 MΩ. Ni 1000: Yes. Input resistance (Ni 1000): 1 MΩ. Pt 100: Yes. Input resistance (Pt 100): 1 MΩ. Pt 1000: Yes. Input resistance (Pt 1000): 1 MΩ. Pt 200: Yes. Input resistance (Pt 200): 1 MΩ. Pt 500: Yes. Input resistance (Pt 500): 1 MΩ. Input ranges (rated values), resistors: 0 to 48 ohms: Yes. Input resistance (0 to 48 ohms): 1 MΩ. 0 to 150 ohms: Yes. Input resistance (0 to 150 ohms): 1 MΩ. 0 to 300 ohms: Yes. Input resistance (0 to 300 ohms): 1 MΩ. 0 to 600 ohms: Yes. Input resistance (0 to 600 ohms): 1 MΩ. 0 to 6000 ohms: Yes; Usable up to 5000 Ohm. Input resistance (0 to 6000 ohms): 1 MΩ. Thermocouple (TC): Temperature compensation: Parameterizable: Yes. external temperature compensation with Pt100: Yes. external temperature compensation with compensations socket: Yes. dynamic reference temperature value: Yes. Characteristic linearization: Parameterizable: Yes. for thermocouples: Type B, E, J, K, L, N, R, S, T, U. for resistance thermometer: Pt100, Pt200, Pt500, Pt1000, Ni100, Ni1000. Cable length: shielded, max.: 200 m; 50 m with thermocouples and input ranges ≤ 80 mV. Analog value generation for the inputs: Integration and conversion time/resolution per channel: Resolution with overrange (bit including sign), max.: 16 bit; 16 / 16 / 16. Integration time, parameterizable: Yes. Basic conversion time (ms): 6 / 20,1 / 23,5 ms. Integration time (ms): 2,5 / 16,7 / 20 ms. Interference voltage suppression for interference frequency f1 in Hz: 400 / 60 / 50 Hz. Encoder: Connection of signal encoders: for voltage measurement: Yes; possible. for current measurement as 2-wire transducer: Yes. for current measurement as 4-wire transducer: Yes. for resistance measurement with two-wire connection: Yes; Line resistances are also measured. for resistance measurement with three-wire connection: Yes. for resistance measurement with four-wire connection: Yes. Errors/accuracies: Temperature error (relative to input range), (+/-): 0.004 %/K. Operational error limit in overall temperature range: Voltage, relative to input range, (+/-): 0.3 %; ±0.3 % at ±250 mV, ±500 mV, ±1 V, ±2.5 V, ±5 V, 1 to 5 V, ±10 V; ±0.31 % at ±80 mV; ±0.32 % at ±50 mV; ±0.35 % at ±25 mV. Current, relative to input range, (+/-): 0.3 %; at 0 to 20 mA, ±5 mA, ±10 mA, ±20 mA, 4 to 20 mA. Resistance, relative to input range, (+/-): 0.3 %; ±0.3% at 0 to 48 Ohm (4-conductor measurement), 0 to 150 Ohm (4 conductor measurement), 0 to 300 Ohm (4-conductor measurement), 0 to 600 Ohm (4-conductor measurement), 0 to 5000 Ohm (4-conductor measurement, in range of 6000 Ohm); ±0.4% at 0 to 300 Ohm (3-conductor measurement), 0 to 600 Ohm (3-conductor measurement), 0 to 5000 Ohm (3-conductor measurement, in range of 6000 Ohm). Resistance thermometer, relative to input range, (+/-): 0.4 %. Thermocouple, relative to input range, (+/-): TC Type B (±11.5 K), TC Type R (±7.3 K), TC Type S (±8.3 K), TC Type T (±1.7 K), TC Type E (±3.2 K), TC Type J (±4.3 K), TC Type K (±6.2 K), TC Type U (±2.8 K), TC Type L (±4.2 K), TC Type N (±4.4 K). Basic error limit (operational limit at 25 °C): Voltage, relative to input range, (+/-): 0.15 %; ±0.15% at ±250 mV, ±500 mV, ±1 V, ±2.5 V, ±5 V, 1 V to 5 V, ±10 V; ±0.17% at ±80 mV; ±0.19% at ±50 mV; ±0.23% at ±25 mV. Current, relative to input range, (+/-): 0.15 %; at 0 to 20 mA, ±5 mA, ±10 mA, ±20 mA, 4 to 20 mA. Resistance, relative to input range, (+/-): 0.15 %; ±0.15 % at 0 to 48 ohms (4-conductor measurement), 0 to 150 ohms (4-conductor measurement), 0 to 300 ohms (4-conductor measurement), 0 to 5000 ohms (4-conductor measurement, in range of 6000 ohms); ±0.3 % at 0 to 300 ohms (3-conductor measurement), 0 to 600 ohms (3-conductor measurement), 0 to 5000 ohms (3-conductor measurement, in range of 6000 ohms). Resistance thermometer, relative to input range, (+/-): 0.3 %. Thermocouple, relative to input range, (+/-): TC Type B (±7.6 K), TC Type R (±4.8 K) TC Type S (±5.4 K), TC Type T (±1.1 K), TC Type E (±1.8 K), TC Type J (±2.3 K), TC Type K (±3.4 K), TC Type U (±1.7 K), TC Type L (±2.3 K), TC Type N (±2.6 K). Interrupts/diagnostics/status information: Diagnostics function: Yes; Parameterizable. Alarms: Diagnostic alarm: Yes; Parameterizable. Limit value alarm: Yes; Parameterizable. Hardware interrupt: Yes; Parameterizable. Diagnoses: Diagnostic information readable: Yes. Diagnostics indication LED: internal fault INTF (red): Yes. external fault EXTF (red): Yes. Potential separation: Potential separation analogue inputs: Potential separation analogue inputs:  Yes; internal/external. between the channels: No. between the channels and backplane bus: Yes. Between the channels and load voltage L+: Yes. Isolation: Isolation tested with: 2 120 V DC between bus and L+/M; 2 120 V DC between bus and analogue section; 500 V DC between bus and local ground; 500 V DC between analogue section and L+/M; 2 120 V DC between analogue section and local ground; 2 120 V DC between L+/M and local ground. Dimensions: Width: 25 mm. Height: 290 mm. Depth: 210 mm. Weights: Weight, approx.: 500 g.