
Digital modules
4.14 Digital output module SM 422; DO 16 x DC 24 V/2 A; (6ES7422-1BH11-0AA0)
S7-400 Automation System Module Data
144 Reference Manual, Edition 09/2009, A5E00850736-06
Specifications of the SM 422, DO 16 x DC 24 V/2 A
Dimensions and weight
Dimensions W x H x D (mm) 25 x 290 x 210
Weight Approx. 600 g
Module-specific data
Number of outputs 16
Cable length
Unshielded
600 m
Shielded
1000 m
Voltages, currents, electrical potentials
Nominal electronics supply voltage L + 24 VDC
Nominal load voltage L+ 24 VDC
Aggregate current of the outputs (two outputs per supply group 1)
Up to 40° C
Max. 3 A
Up to 60° C
Max. 2 A
Electrical isolation
Between channels and the backplane bus
Yes
Between channels
In groups of
Yes
8
Permissible potential difference
Between different circuits
75 VDC / 60 VAC
Isolation test voltage
Channels against backplane bus and load voltage
L +
500 VDC
Between outputs of different groups
500 VDC
Current consumption
From the backplane bus (5 V)
Max. 160 mA
Power supply and load voltage L+
(no load)
Max. 30 mA
Power loss of the module Typ. 5 W
Status, interrupts, diagnostics
Status display Green LED per channel
Interrupts None
Diagnostic functions None
Actuator selection data
Output voltage
With "1" signal
Min. L + (-0,5 V)
Output current
For signal "1"
Rated value
Permissible range
2A
5 mA up to 2.4 A
With "0" signal (residual current)
Max. 0,5 mA
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