Siemens SIMATIC S7-400 Reference Manual page 243

● Resistance thermocouples 3-conductor standard
Basic error limit (operational limit at 25°C, relative to input range)
● Voltage input
● Current input
● Resistance measurement
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08
5.20 Analog input module SM 431; AI 8 x 14 Bit (6ES7431-1KF10-0AB0)
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
– ± 80 mV
– ± 250 mV
– ± 500 mV
– ± 1 V
– ± 2.5 V
– ± 5 V
– 1 to 5 V
– ± 10 V
– 0 to 20 mA
– ± 20 mA
– 4 to 20 mA
– 0 to 48 Ω; 4-wire measurement
– 0 to 150 Ω; 4-wire measurement
– 0 to 300 Ω; 4-wire measurement
– 0 to 600 Ω; 4-wire measurement
– 0 to 5000 Ω; 4-wire measurement (around
6000 Ω)
– 0 to 300 Ω; 3-wire measurement
– 0 to 600 Ω; 3-wire measurement
– 0 to 5000 Ω; 3-wire measurement (around
6000 Ω)
± 5.2 K
± 8.2 K
± 6.5 K
± 5.2 K
± 1.3 K
± 1.3 K
± 0.7 K
± 0.7 K
± 0.7 K
± 0.7 K
± 1.3 K
± 1.3 K
± 0.17%
± 0.15%
± 0.15%
± 0.15%
± 0.15%
± 0.15%
± 0.15%
± 0.15%
± 0.15%
± 0.15%
± 0.15%
± 0.15%
± 0.15%
± 0.15%
± 0.15%
± 0.15%
± 0.3%
± 0.3%
± 0.3%
Analog modules
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