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