6ES7431-1KF20-0AB0 SIMATIC S7-400, SM 431
SIMATIC S7-400, SM 431 ANALOG INPUT MODULE OPTIC. ISOLATED, 8 AI, 14 BIT RESOLUTION, U/I/RESIST. 0.416 MS SCAN TIME
| Supply voltage |
| Load voltage L+ |
| ● Rated value (DC) |
24 V; Only required for supplying 2-wire transmitters |
| ● Reverse polarity protection |
Yes |
| Input current |
| from load voltage L+ (without load), max. |
200 mA; for 8 connected, fully controlled 2-wire transmitters |
| from backplane bus 5 V DC, max. |
1 000 mA |
| Power loss |
| Power loss, typ. |
4.9 W |
| Analog inputs |
| Number of analog inputs |
8 |
| ● For voltage/current measurement |
8 |
| ● For resistance measurement |
4 |
| 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; Permanent |
| Input ranges |
| ● Voltage |
Yes |
| ● Current |
Yes |
| ● Thermocouple |
No |
| ● Resistance thermometer |
No |
| ● Resistance |
Yes |
| Input ranges (rated values), voltages |
| ● 1 V to 5 V |
Yes |
| ● Input resistance (1 V to 5 V) |
10 MΩ |
| ● -1 V to +1 V |
Yes |
| ● Input resistance (-1 V to +1 V) |
10 MΩ |
| ● -10 V to +10 V |
Yes |
| ● Input resistance (-10 V to +10 V) |
100 kΩ |
| Input ranges (rated values), currents |
| ● -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 kΩ |
| Input ranges (rated values), resistors |
| ● 0 to 600 ohms |
Yes |
| Cable length |
| ● shielded, max. |
200 m |
| Analog value generation |
| Integration and conversion time/resolution per channel |
| ● Resolution with overrange (bit including sign), max. |
14 bit; 14 / 14 / 14 |
| ● Integration time, parameterizable |
Yes |
| ● Basic conversion time (ms) |
52 µs |
| ● Interference voltage suppression for interference frequency f1 in Hz |
none / 400 / 60 / 50 H |
