
Digital modules
4.17 Digital output module SM 422; DO 32 x DC 24 V/0.5 A (6ES7422-7BL00-0AB0)
S7-400 Automation System Module Data
Reference Manual, Edition 09/2009, A5E00850736-06
157
Specifications of the SM 422; DO 32 x DC 24 V/0.5 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 32
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
Cumulative current of outputs (per group)
Up to 40° C
Max. 4 A
Up to 60° C
Max. 2 A
Electrical isolation
Between channels and the backplane bus
Yes
Between channels
Yes
In groups of 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. 200 mA
Power supply and load voltage L+ (no load)
Max. 120 mA
Power loss of the module Typ. 8 W
Status, interrupts, diagnostics
Status display Green LED per channel
Interrupts
Diagnostic interrupt
Programmable
Hardware interrupt
Programmable
Diagnostic functions
Monitoring of the load voltage
Yes
Group error display
For internal fault Red LED (INTF)
For external fault Red LED (EXTF)
Diagnostic information dump
Yes
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