
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, Edition 09/2009, A5E00850736-06
287
Specifications of the SM 431; AI 16 x 13 Bit
Dimensions and weight
Dimensions W x H x D (mm) 25 x 290 x 210
Weight Approx. 500 g
Module-specific data
Number of inputs
Shielded
16
Max. 200 m
Voltages, currents, electrical potentials
Nominal load voltage L+ 24 VDC (only required for the supply of 2-
wire transducers)
Reverse polarity protection
Yes
Transducer power supply
Supply current
Max. 50 mA
Short-circuit-proof
Yes
Constant measured current for resistance-type
sensor
Typ. 1.67 mA
Electrical isolation
Between channels and the backplane bus
No
Between channels
No
Between channels and load voltage L+
No
Permissible potential difference
Between inputs and MANA (UCM)
2 VDC/2 VAC
pp
Between input (UCM)
2 VDC/2 VAC
pp
Insulation tested
Between bus and chassis ground
500 VDC
Current consumption
From the backplane bus (5 V)
Max. 100 mA
From load voltage L+ (with 16 connected, fully
controlled 2-wire transducers)
Max. 400 mA
Power loss of the module Typ. 2 W
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