6ES7431-7QH00-0AB0
SIMATIC S7-400, SM 431
SIMATIC S7-400, SM 431 ANALOG INPUT MODULE OPTIC. ISOLATED, 16 AI, 16 BIT RESOLUTION, U/I/RESIST./ THERMOEL./PT100,ALARM,DIAGNOST.
| 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. |
400 mA; for 16 connected, fully controlled 2-wire transmitters |
| from backplane bus 5 V DC, max. |
700 mA |
| 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 |
| 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 |
