Data Sheet

Data sheet 6ES7431-7KF00-0AB0
SIMATIC S7-400, analog input SM 431, 8 AI, resolution 16 bit,
U/I/Thermocouple, isolated with single rooting, diagnostics, alarm, 20
ms conversion time
Input current
from backplane bus 5 V DC, max. 1200mA
Power loss
Power loss, typ. 4.6W
Analog inputs
Number of analog inputs 8
● For voltage/current measurement
8
permissible input voltage for voltage input
(destruction limit), max.
35V; 35 V continuous, 75 V for max. 1 s (mark to space ratio
1:20)
permissible input current for current input (destruction
limit), max.
32mA
Input ranges
● Voltage
Yes
● Current
Yes
● Thermocouple
Yes
● Resistance thermometer
No
● Resistance
No
6ES7431-7KF00-0AB0 Subject to change without notice
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09/16/2019 © Copyright Siemens