Siemens SIMATIC S7-400 Reference Manual page 256
Automation system module
data
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Also See for SIMATIC S7-400:
- Installation manual (316 pages) ,
- Hardware and installation manual (298 pages) ,
- Manual (206 pages)
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Analog modules
5.21 Analog input module SM 431; AI 8 x 14 Bit (6ES7431-1KF20-0AB0)
Technical specifications for SM 431; AI 8 x 14 bit
Dimensions W x H x D (mm)
Weight
Number of inputs
● For resistance-based sensor
Cable length
● 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 sen‐
sor
Electrical isolation
● Between channels and backplane bus
● Between channels
● Between the channels and load voltage L+
Permissible potential difference
● Between inputs and MANA (UCM)
● Between the inputs (UCM)
● Between MANA and Mintern (UISO)
Insulation tested at
● Between bus and analog section
● Between bus and chassis ground
● Between analog section and L+/M
● Between analog section and chassis ground
● Between L+/M and chassis ground
Current consumption
● From backplane bus (5 V)
● From load voltage L+
Module power loss
Measuring principle
Integration time/conversion time/resolution (per chan‐
nel)
● Configurable
● Interference voltage suppression f1 in Hz
256
Dimensions and weight
25 x 290 x 210
ca. 500 g
Module-specific data
8
4
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
Yes
No
Yes
8 V AC
8 V AC
60 V DC/30 V AC (SELV)
2120 V DC
500 V DC
500 V DC
2120 V DC
2120 V DC
Maximum 1000 mA
Maximum 200 mA (with 8 connected fully con‐
trolled 2-wire transducers)
Typ. 4.9 W
Formation of analog values
Instantaneous value conversion
(Not part of the response time)
Yes
None / 400 / 60 / 50
Reference Manual, Ausgabe 11/2016, A5E00850736-08
S7-400 Automation System Module Data
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