Siemens S7-400PLC Spécifications Page 283

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Analog modules
5.21 Analog input module SM 431; AI 8 x 14 Bit (6ES7431-1KF20-0AB0)
S7-400 Automation System Module Data
Reference Manual, Edition 09/2009, A5E00850736-06
283
Selected measuring
method
Measuring range
(type of sensor)
Measuring range module
settings
Description
4DMU: Current
(4-wire transducer)
4 to 20 mA
± 20 mA
C The digitized analog values are
listed in the section "Representation
of analog values for analog input
channels" in the current measuring
range.
R-4L: Resistance
(4-conductor connection)
600 Ω A The digitized analog values are
listed in the section "Representation
of analog values for analog input
channels" in the resistance
measuring range.
Defaults
The module has the following default settings in
STEP 7
:
Channels 0 to 7: "Voltage" measuring method ; "± 10 V" measuring range
You can use these measuring methods and measuring ranges without configuring the
SM 431; AI 8 x 14 Bit in STEP 7.
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