6ES7431-1KF10-0AB0 SIMATIC S7-400, SM 431
SIMATIC S7-400, SM 431 ANALOG INPUT MODULE OPTIC. ISOLATED, 8 AI, 14 BIT RESOLUTION, U/I/RESIST./ THERMOEL/PT100
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. |
600 mA |
Power loss |
Power loss, typ. |
3.5 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 |
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 |
● -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 |
● -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 |
● 4 mA to 20 mA |
Yes |
● Input resistance (4 mA to 20 mA) |
50 Ω |