Number of outputs 8
Cable length
● unshielded
600 m
● shielded
1000 m
Voltage, current and potential
Rated load voltage L1
Permissible frequency range
79 to 264 V AC
47 to 63 Hz
Total current of outputs
With fan module
● Up to 40°C
24 A 24 A
● Up to 60°C
max. 16 A 20 A
Electrical isolation
● Between channels and backplane bus
Yes
● Between channels
Yes
In groups of 1
Permissible potential difference
● Between outputs of different groups
500 V AC
Insulation strength 4000 V AC
Current consumption
● From backplane bus (5 V)
Maximum 250 mA
● From load voltage L + (no load)
Maximum 1.5 mA
Module power loss Typ. 16 W
Status, interrupts, diagnostics
Status display Green LED per channel
Interrupts None
Diagnostic functions Not configurable
● Group fault display
for internal fault
for external fault
red LED (INTF) fuse failure
red LED (EXTF) no load voltage
Data for selecting an actuator
Output voltage
● For "1" signal
At maximum current at least L1
(-1.5 Vrms)
At minimum current at least L1
(-10.7 Vrms)
Output current
● For "1" signal
Rated value
Permitted range
Permitted surge current (per group)
5 A
10 mA to 5 A
Maximum 50 A per cycle
● For "0" signal (residual current)
Maximum 3.5 mA
Output delay (with resistive load)
● For "0" to "1"
Maximum 1 AC cycle
● For "1" to "0"
Maximum 1 AC cycle
Digital modules
4.18 Digital output module SM 422; DO 8 x AC 120/230 V/5 A (6ES7422-1FF00-0AA0)
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08 147
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