Siemens SIMATIC S7-400 Reference Manual page 267
Automation system module
data
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- Installation manual (316 pages) ,
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Technical specifications for SM 431; AI 16 x 13 bit
Dimensions W x H x D (mm)
Weight
Number of inputs
Shielded
Rated load voltage L+
● Reverse polarity protection
● Supply voltage of the measuring transducers
● Supply current
● Short-circuit proof
● Constant measured current for resistance-based
Electrical isolation
● Between channels and backplane bus
● Between channels
● Between channels and load voltage L+
Permissible potential difference
● Between inputs and MANA (UCM)
● Between the inputs (UCM)
Insulation tested at
● Between bus and chassis ground
● Current consumption
● From backplane bus (5 V)
● From load voltage L+ (with 16 connected fully
Module power loss
Measuring principle
Integration time/conversion time/resolution (per chan‐
nel)
● Configurable
● Interference voltage suppression f1 in Hz
● Integration time in ms
● Basic conversion time in ms
● Resolution (including overrange)
Measured value smoothing
Basic execution time of the module in ms (all channels
enabled)
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08
5.22 Analog input module SM 431; AI 16 x 13 Bit (6ES7431-0HH00-0AB0)
sensor
controlled 2-wire transducers)
Dimensions and weight
25 x 290 x 210
ca. 500 g
Module-specific data
16
Maximum 200 m
Voltage, current and potential
24 V DC (only required for supply of 2-wire
transducers)
Yes
Maximum 50 mA
Yes
Typ. 1.67 mA
No
No
No
2 V DC / 2 V AC
2 V DC / 2 V AC
500 Vac or 707 Vdc (type test)
Maximum 100 mA
Maximum 400 mA
Typ. 2 W
Formation of analog values
Integrating
(Not part of the response time)
Yes
60 / 50
50 / 60
55 / 65
13 bits
Not possible
880 / 1040
Noise suppression, error limits
Analog modules
SS
SS
267
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