
Analog modules
5.20 Analog input module SM 431; AI 8 x 14 Bit (6ES7431-1KF10-0AB0)
S7-400 Automation System Module Data
272 Reference Manual, Edition 09/2009, A5E00850736-06
Measuring ranges
Set the measuring ranges using the measuring range modules, and at the "measuring
method" parameter in
STEP 7
.
Table 5- 52 Measuring ranges of the SM 431; AI 8 x 14 Bit (6ES7431-1KF10-0AB0)
Selected measuring method Measuring range
(type of sensor)
Measuring range module
settings
Description
V: Voltage ± 80 mV
± 250 mV
± 500 mV
± 1 V
± 2.5 V
± 5 V
1 to 5 V
± 10 V
A The digitized analog values are
listed in the section
"Representation of analog values
for analog input channels" in the
voltage measuring range.
2DMU: Current
(2-wire transducer)
4 to 20 mA D To supply these transducers with
current you must connect 24 V to
the L+ and M front connector
terminals.
The digitized analog values are
listed in the section
"Representation of analog values
for analog input channels" in the
current measuring range.
4DMU: Current
(4-wire transducer)
0 mA to 20 mA
4 mA 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.
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