Digital Modules
4-93
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Technical Specifications of the SM 422; DO 16 30/230 VUC/Rel. 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. 700 g
Data for Specific Module
Number of outputs 16
Length of cable
• Unshielded
• Shielded
Max. 600 m
Max. 1000 m
Voltages, Currents, Potentials
Total current of the outputs
(per group)
Up to 40
o
C
Up to 60
o
C
With fan subassembly
Max. 10 A 10 A
Max. 5 A 10 A
Isolation
• Between channels and
backplane bus
Yes
• Between the channels
In groups of
Yes
2
Permitted potential
differences:
• Between the outputs of
the different groups
500 VAC
Insulation resistance 4000 VAC
Current consumption
• From the backplane bus Max. 1 A
Power dissipation of the
module
Typ. 4.5 W
Status, Interrupts, Diagnostics
Status display
Interrupt
Diagnostic functions
Green LED per channel
None
None
Relay Features
Relay response times
• Power up
• Power down
Debouncing time
Max. 10 ms
Typ. 5.5 ms
Max. 5 ms
Typ. 3 ms
Typ. 0.5 ms
Data for Selecting an Actuator
Continuous thermal current Max. 5 A
Minimum load current 10 mA
External fuse for relay outputs Fuse, 6 A, quick-acting
Switching capacity and lifetime of the contacts
• For resistive load
Voltage Current No. of
switching
cyc. (typ.)
30 VDC
60 VDC
125 VDC
230 VAC
5.0 A
1.2 A
0.2 A
5.0 A
0.18 mill
0.1 mill
0.1 mill
0.18 mill
• For inductive load to IEC 947-5-1
13 DC/15 AC
Voltage Current No. of
switching
cyc. (typ.)
30 VDC
(=7 ms max.)
5.0 A 0.1 mill
230 VAC
(pf=0.4)
5.0 A 0.1 mill
Size of the motor starter Max. size 5 to NEMA
Lamp load Max. 60 W
Contact protection (internal) None
Connecting two outputs in parallel
• For redundant actuation of
a load
Possible (only outputs
with identical load
voltage)
• To increase performance Not possible
Triggering a digital input Possible
Switch rate
• Mechanical Max. 20 Hz
• For resistive load Max. 10 Hz
• For inductive load to
IEC 947-5-1, 13 DC/15
AC
1 Hz
• For lamp load 1 Hz
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