Output current
● For "1" signal
Rated value
Permitted range
0.5 A
5 mA to 600 mA
● For "0" signal (residual current)
Maximum 0.5 mA
Load resistance range
48 Ω to 4 kΩ
Connection of 2 outputs in parallel
● For redundant control of a load
Possible (only outputs of the same group)
● For increasing the power
Possible (only outputs of the same group)
Control of a digital input
Possible
Switching frequency
● With resistive load
Maximum 100 Hz
● With an inductive load in accordance with IEC 947-5-1,
DC 13
Maximum 2 Hz
● With lamp load
Maximum 2 Hz
(Internal) limitation of inductive switch-off voltage to
Typ. L + (- 45 V)
Short-circuit protection for output
● Response threshold
Clocked electronically
Typ. 0.75 to 1.5 A
Time, frequency
Internal processing time between backplane bus and input of the output driver
1)
Up to product version 03
● Irrespective of diagnostics/diagnostic interrupt/
substitute value enable
Maximum 100 µs
Up to product version 04
● Without diagnostics/diagnostic interrupt/substitute
value enable
Maximum 60 µs
● With diagnostics/diagnostic interrupt/substitute value
enable
Maximum 100 µs
1
The switching time of the output driver (< 100 µs with resistive load) is added to the total runtime
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, Ausgabe 11/2016, A5E00850736-08
143