Siemens SIMATIC S7-400 Reference Manual page 143

Output current
● For "1" signal
● For "0" signal (residual current)
Load resistance range
Connection of 2 outputs in parallel
● For redundant control of a load
● For increasing the power
Control of a digital input
Switching frequency
● With resistive load
● With an inductive load in accordance with IEC 947-5-1,
● With lamp load
(Internal) limitation of inductive switch-off voltage to
Short-circuit protection for output
● Response threshold
Internal processing time between backplane bus and input of the output driver
Up to product version 03
● Irrespective of diagnostics/diagnostic interrupt/
Up to product version 04
● Without diagnostics/diagnostic interrupt/substitute
● With diagnostics/diagnostic interrupt/substitute value
The switching time of the output driver (< 100 µs with resistive load) is added to the total runtime
1
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08
4.17 Digital output module SM 422; DO 32 x DC 24 V/0.5 A (6ES7422-7BL00-0AB0)
Rated value
Permitted range
DC 13
substitute value enable
value enable
enable
0.5 A
5 mA to 600 mA
Maximum 0.5 mA
48 Ω to 4 kΩ
Possible (only outputs of the same group)
Possible (only outputs of the same group)
Possible
Maximum 100 Hz
Maximum 2 Hz
Maximum 2 Hz
Typ. L + (- 45 V)
Clocked electronically
Typ. 0.75 to 1.5 A
Time, frequency
Maximum 100 µs
Maximum 60 µs
Maximum 100 µs
Digital modules
1)
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