Siemens Simatic M7-400 - Page 203

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