● Resistance thermocouples 3-conductor standard
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
± 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
Temperature error (relative to input range) ± 0.004 % / K
Linearity error (relative to input range) ± 0.01%
Repeat accuracy (in settled state at 25°C, relative to
input range)
± 0.1%
Status, interrupts, diagnostics
Interrupts
● Hardware interrupt
Configurable
● Limit alarm
Configurable
● Diagnostic interrupt
Configurable
Diagnostic functions
● Group fault display
– For internal fault
– For external fault
Red LED (INTF)
Red LED (EXTF)
● Diagnostic information can be read out
Yes
Substitute values can be connected No
Data for selecting a sensor
Input ranges (rated values)/input resistance
● 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
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, Ausgabe 11/2016, A5E00850736-08 281