Siemens SIMATIC S7-400 Reference Manual page 290
Automation system module
data
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Analog modules
5.23 Analog input module SM 431; AI 16 x 16 Bit (6ES7431-7QH00-0AB0)
Measuring ranges
You set the measuring ranges by means of the measuring range modules on the module and
the "Measuring type" parameter in STEP 7.
Table 5-66
Measuring ranges of the SM 431; AI 16 x 16 Bit
Selected measuring method
V: Voltage
2DMU: Current (2-wire sen‐
sor)
4DMU: Current (4-wire sen‐
sor)
R-3L: Resistance
(3-conductor connection)
R-4L: Resistance
(4-conductor connection)
TC-L: Thermocouple (linear)
(Temperature measurement)
290
Measuring range
(type of sensor)
± 25 mV
± 50 mV
± 80 mV
± 250 mV
± 500 mV
± 1 V
± 2.5 V
± 5 V
1 to 5 V
± 10 V
4 to 20 mA
± 5 mA
± 10 mA
0 to 20 mA
4 to 20 mA
± 20 mA
300 Ω
600 Ω
6000 Ω
(maximum 5000 Ω)
48 Ω
150 Ω
300 Ω
600 Ω
6000 Ω
(maximum 5000 Ω)
Type B
Type N
Type E
Type R
Type S
Type J
Type L
Type T
Type K
Type U
Measuring range module set‐
tings
A
D
C
A
A
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08
Description
The digitized analog values
are listed in the section "Rep‐
resentation of analog values
for analog input channels" in
the voltage measuring range.
To supply these transducers
with current you must con‐
nect 24 V to the L+ and M
front connector terminals.
The digitized analog values
are listed in the section "Rep‐
resentation of analog values
for analog input channels" in
the current measuring range.
The digitized analog values
are listed in the section "Rep‐
resentation of analog values
for analog input channels" in
the current measuring range.
The digitized analog values
are listed in the section "Rep‐
resentation of analog values
for analog input channels" in
the resistance measuring
range.
The digitized analog values
are listed in the section "Rep‐
resentation of analog values
for analog input channels" in
the temperature range.
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