
Analog modules
5.23 Analog input module SM 431; AI 16 x 16 Bit (6ES7431-7QH00-0AB0)
S7-400 Automation System Module Data
298 Reference Manual, Edition 09/2009, A5E00850736-06
Resistance measurement
– 0 to 48 Ω; 4-conductor measurement
– 0 to 150 Ω; 4-conductor measurement
– 0 to 300 Ω; 4-conductor measurement
– 0 to 600 Ω; 4-conductor measurement
– 0 to 5000 Ω; 4-conductor measurement (in the
range of 6000 Ω)
– 0 to 300 Ω; 3-conductor measurement
– 0 to 600 Ω; 3-conductor measurement
– 0 to 5000 Ω; 3-conductor measurement (in the
range of 6000 Ω)
± 0,3 %
± 0,3 %
± 0,3 %
± 0,3 %
± 0,3 %
± 0,4 %
± 0,4 %
± 0,4 %
Thermocouples
– TC type B
– TC type R
– TC type S
– TC type T
– TC type E
– TC type J
– TC type K
– TC type U
– TC type L
– TC type N
± 11.5 K
± 7.3 K
± 8.3 K
± 1.7 K
± 3.2 K
± 4.3 K
± 6.2 K
± 2.8 K
± 4.2 K
± 4.4 K
Resistance thermocouples, 4-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
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