Siemens SIMATIC S7-400 Reference Manual page 281

● Resistance thermocouples 3-conductor standard
Temperature error (relative to input range)
Linearity error (relative to input range)
Repeat accuracy (in settled state at 25°C, relative to
input range)
Interrupts
● Hardware interrupt
● Limit alarm
● Diagnostic interrupt
Diagnostic functions
● Group fault display
● Diagnostic information can be read out
Substitute values can be connected
Input ranges (rated values)/input resistance
● Voltage
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08
5.23 Analog input module SM 431; AI 16 x 16 Bit (6ES7431-7QH00-0AB0)
measuring range
– Pt 100
– Pt 200
– Pt 500
– Pt 1000
– Ni 100
– Ni 1000´
Climatic measuring range
– Pt 100
– Pt 200
– Pt 500
– Pt 1000
– Ni 100
– Ni 1000
– For internal fault
– For external fault
± 3.1 K
± 4.9 K
± 3.9 K
± 3.1 K
± 0.8 K
± 0.8 K
± 0.4 K
± 0.4 K
± 0.4 K
± 0.4 K
± 0.8 K
± 0.8 K
± 0.004 % / K
± 0.01%
± 0.1%
Status, interrupts, diagnostics
Configurable
Configurable
Configurable
Red LED (INTF)
Red LED (EXTF)
Yes
No
Data for selecting a sensor
± 25 mV / 1 MΩ
± 50 mV / 1 MΩ
± 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
Analog modules
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