Number of outputs
16
Cable length
● Unshielded
Max. 600 m
● Shielded
Max. 1000 m
Voltages, currents, electrical potentials
Nominal load voltage L+
20 to 132 VAC
● Permitted frequency range
47 to 63 Hz
Total current of the outputs
With fan subassembly
● Up to 40° C
Max. 16 A
24 A
● Up to 60° C
Max. 7 A
16 A
Electrical isolation
● Between channels and the backplane bus
Yes
● Between channels
In groups of
Yes
1
Permissible potential difference
● Between M-internal and the outputs
120 VAC
● Between outputs of different groups
250 VAC
Isolation test voltage
1500 VDC
Current consumption
● From the backplane bus (5 V)
Max. 600 mA
● From load voltage L+ (no load)
Max. 0 mA
Power loss of the module
Typ. 20 W
Status, interrupts, diagnostics
Status display
Green LED per channel
Interrupts
● Diagnostic interrupt
Programmable
Diagnostic functions
Programmable
● Group error display
for internal disruption
for external disruption
Red LED (INTF)
Red LED (EXTF)
● Diagnostic information dump
Supported
Injection of substitution values
Yes, programmable
Actuator selection data
Output voltage
● With "1" signal
L1 (-1.5 Vrms)
Output current
● With "1" signal
Nominal value
Permissible range
Permissible inrush current (per group)
2 A
100 mA
to 2 A
Maximum 20 A / 2 cycle
● With "0" signal (residual current)
Max. 2.5 mA at 30 V
Max. 4.5 mA at 132 V
Output delay (resistive load)
Digital modules
4.20 Digital output module SM 422; DO 16 x AC 20-120 V/2 A (6ES7422-5EH00-0AB0)
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08
155