Siemens Simatic S7-400 - Page 297

Crosstalk between the inputs > 70 dB
Operational limit (throughout temperature range, relative to input range)
● RTD input
– Pt 100
– Pt 200
– Pt 500
– Pt 1000
– Ni 100
– Ni 1000
RTD-4L RTD-3L
±1.8 °C ± 3.4 °C
± 0.8 °C ± 1.7 °C
± 0.4 °C ± 0.7 °C
± 0.3 °C ± 0.4 °C
± 1.5 °C ± 2.1 °C
± 0.2 °C ± 0.3 °C
Basic error limit (operational limit at 25°C, relative to input range)
● RTD input
– Pt 100
– Pt 200
– Pt 500
– Pt 1000
– Ni 100
– Ni 1000
RTD-4L RTD-3L
± 0.5 °C ± 1.0 °C
± 0.3 °C ± 0.5 °C
± 0.3 °C ± 0.4 °C
± 0.2 °C ± 0.2 °C
± 0.3 °C ± 0.6 °C
± 0.2 °C ± 0.2 °C
Linearity error (relative to input range)
Additional fault
● RTD input
– Pt 100
– Pt 200
– Pt 500
– Pt 1000
– Ni 100
– Ni 1000
RTD-4L RTD-3L
± 0.2 °C ± 0.3 °C
± 0.2 °C ± 0.2 °C
± 0.1 °C ± 0.1 °C
± 0.1 °C ± 0.1 °C
± 0.1 °C ± 0.2 °C
± 0.1 °C ± 0.1 °C
Repeat accuracy (in settled state at 25°C, relative to
input range)
Additional fault
● RTD input
– Pt 100
– Pt 200
– Pt 500
– Pt 1000
– Ni 100
– Ni 1000
RTD-4L RTD-3L
± 0.2 °C ± 0.3 °C
± 0.2 °C ± 0.2 °C
± 0.1 °C ± 0.1 °C
± 0.1 °C ± 0.1 °C
± 0.1 °C ± 0.2 °C
± 0.1 °C ± 0.1 °C
Status, interrupts, diagnostics
Interrupts
● Hardware interrupt
Configurable
● Hardware interrupt when limit value exceeded
Configurable
● Diagnostic interrupt
Configurable
Diagnostic functions Configurable
Analog modules
5.24 Analog input module SM 431; AI 8 x RTD x 16 Bit (6ES7431-7KF10-0AB0)
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08 297