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