
Analog modules
5.23 Analog input module SM 431; AI 16 x 16 Bit (6ES7431-7QH00-0AB0)
S7-400 Automation System Module Data
Reference Manual, Edition 09/2009, A5E00850736-06
301
Status, interrupts, diagnostics
Interrupts
Hardware interrupt
Programmable
Hardware interrupt when limit has been exceeded
Programmable
Diagnostic interrupt
Programmable
Diagnostic functions
Group error display
– For internal fault
– For external fault
Red LED (INTF)
Red LED (EXTF)
Reading diagnostics information
Yes
Injection of substitution values No
Sensor selection data
Input range (nominal values) / input impedance
Voltage
± 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
Current
0 to 20 mA / 50 Ω
± 5 mA / 50 Ω
± 10 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(of use 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
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