Digital Modules

4-81

S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Technical Specifications of the SM 422; DO 8 120/230 VAC/5 A
Programming package
Associated programming
package As of STEP 7 V 2.0
Dimensions and Weight
Dimensions W H D
(in millimeters) 25 290 210
Weight Approx. 800 g
Data for Specific Module
Number of outputs 8
Length of cable
•Unshielded
•Shielded
600 m
1000 m
Voltages, Currents, Potentials
Rated load voltage L1
Permitted frequency range
79 to 264 VAC
47 to 63 Hz
Total current of the outputs
Up to 40 C
Up to 60 C
With fan subassembly
Max. 16 A 24 A
Max. 8 A 20 A
Isolation
•Between channels and
backplane bus Yes
•Between the channels
In groups of
Yes
1
Permitted potential difference
•Between the outputs of the
different groups 500 VAC
Insulation resistance 4000 VAC
Current consumption
•From the backplane bus
•From load voltage L +
(without load)
Max. 250 mA
Max. 1.5 mA
Power dissipation of the
module Typ. 16 W
Status, Interrupts, Diagnostics
Status display Green LED per
channel
Interrupts None
Diagnostic functions Parameters cannot be
assigned
•Group error display
– For internal fault Red LED (INTF)
failed fuse
– For external fault Red LED (EXTF)
failed load voltage
Data for Selecting an Actuator
Output voltage
•At signal “1” At maximum current
min. L1 (–1.5 Vrms)
At maximum current
min. L1 (–10.7 Vrms)
Output current
•At signal “1”
Rated value 5 A
Permitted range 10 mA to 5 A
Permitted surge current
(per group) Max. 50 A per cycle
•At signal “0” (leakage
current) Max. 3.5 mA
Output delay (for resistive load)
•From “ 0” to “1” Not more than 1 AC
scan cycle
•At “1” to “0” Not more than 1 AC
scan cycle
Minimum load current 10 mA
Zero cross inhibit voltage Max. 55 V
Size of the motor starter Max. size 5 to NEMA
Lamp load Max. 100 W
Parallel connection of 2
outputs
•For redundant triggering of
a load Possible (only outputs
connected to the same
load)
Triggering a digital input Possible
Switch rate
•For resistive load Max. 10 Hz
•For inductive load
to IEC 947-5-1, DC 13 Max. 0.5 Hz
•For lamp load 1 Hz
Short-circuit protection of the
output Fuse, 8 A, 250 V (per
output)
•Min. current required for
fuse to blow Min. 100 A
•Max. response time Max. 100 ms
Replacement fuses
•Wickmann
•Schurter
•Littelfuse
Fuse, 8 A, quick-acting
194-1800-0
SP001.1013
217.008