Siemens Simatic S7-400

Repeat accuracy (in settled state at 25°C, relative to
input range)
± 0.1%
Status, interrupts, diagnostics
Interrupts None
Diagnostic functions None
Substitute values can be connected No
Data for selecting a sensor
Input ranges (rated values)/input resistance
● Voltage
± 80 mV / 1 MΩ
± 250 mV / 1 MΩ
± 500 mV / 1 MΩ
± 1 V / 1 MΩ
± 2.5 V / 1 MΩ
± 5 V / 1 MΩ
1 to 5 V / 1 MΩ
± 10 V / 1 MΩ
● Current
0 to 20 mA / 50 Ω
± 20 mA / 50 Ω
4 to 20 mA / 50 Ω
● Resistance
0 to 48 Ω / 1 MΩ
0 to 150 Ω / 1 MΩ
0 to 300 Ω / 1 MΩ
0 to 600 Ω / 1 MΩ
0 to 6000 Ω / 1 MΩ
(can be used up to 5000 Ω)
● Thermocouples
TC type B / 1 MΩ
TC type R / 1 MΩ
TC type S / 1 MΩ
TC type T / 1 MΩ
TC type E / 1 MΩ
TC type J / 1 MΩ
TC type K / 1 MΩ
TC type U / 1 MΩ
TC type L / 1 MΩ
TC type N / 1 MΩ
● Resistance thermometer
Pt 100 / 1 MΩ
Pt 200 / 1 MΩ
Pt 500 / 1 MΩ
Pt 1000 / 1 MΩ
Ni 100 / 1 MΩ
Ni 1000 / 1 MΩ
Permissible input voltage for voltage input (destruction
limit)
Maximum 18 V continuous
75 V for 1 ms (cycle clock ratio 1 : 20)
Permissible input current for current input (destruction
limit)
40 mA continuous
Analog modules
5.20 Analog input module SM 431; AI 8 x 14 Bit (6ES7431-1KF10-0AB0)
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08 245