Product data
SIMATIC S7-400, analog input SM 431, 8 AI, resolution 16 bit, resistor/PT100/NI100 isolated, diagnostics alarm, 20 ms conversion time
Main & Complementary
|
Input current
|
|
from backplane bus 5 V DC, max.
|
650 mA
|
|
Power loss
|
|
Power loss, typ
|
3.3 W
|
|
Analog inputs
|
|
Number of analog inputs
● For resistance measurement
|
8
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)
|
|
Input ranges
|
|
● Voltage
● Current
● Thermocouple
● Resistance thermometer
● Resistance
|
No
No
No
Yes
Yes
|
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