Siemens S7-400 Manual Do Utilizador
Digital Modules
4-67
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
A5E00069467-07
Technical Specifications of the SM 422; DO 16
20-125 VDC/1.5 A
Dimensions and Weight
Dimensions W
H
D
(in millimeters)
25
290
210
Weight
Approx. 800 g
Data for Specific Module
Number of outputs
16
Length of cable
•
Unshielded
•
Shielded
Max. 600 m
Max. 1000 m
Voltages, Currents, Potentials
Rated load voltage L1
•
Reverse polarity protection
20 VDC to 138 VDC
Yes, with fuse
Total current of the outputs
1)
Up to 40
C
Up to 60
C
With fan subassembly
Max. 16 A 21 A
Max. 16 A 21 A
Max. 8 A
14 A
Isolation
•
Between channels and
backplane bus
backplane bus
Yes
•
Between the channels
In groups of
Yes
8
Permitted potential difference
•
Between the outputs of the
different groups
different groups
250 VAC
Insulation tested with
1500 VAC
Current consumption
•
From the backplane bus
•
From load voltage L +
(without load)
(without load)
Max. 700 mA
Max. 2 mA
Power dissipation of the
module
module
Typ. 10 W
Status, Interrupts, Diagnostics
Status display
Green LED per
channel
channel
Interrupts
•
Diagnostic Interrupt
Parameters can be
assigned
assigned
Diagnostic functions
Parameters can be
assigned
assigned
•
Group error display
–
For internal fault
Red LED (INTF)
–
For external fault
Red LED (EXTF)
•
Diagnostic information
readable
readable
Yes
Substitute value can be applied
Yes, programmable
Data for Selecting an Actuator
Output voltage
•
At signal “1”
Min. L+ (–1,0 V)
Output current
•
At signal “1”
Rated value
1.5 A
Permitted range
10 mA to 1.5 A
Permitted surge current
Max. 3 A
(for 10 ms)
(for 10 ms)
•
At signal “0” (leakage
current)
current)
Max. 0.5 mA
Output delay (for resistive load)
•
From “ 0” to “1”
Max. 2 ms
•
At “1” to “0”
Max. 13 ms
Parallel connection of 2
outputs
outputs
•
For redundant triggering of
a load
a load
Possible (only outputs
of the same group)
of the same group)
•
To increase performance
Possible (only outputs
of the same group)
of the same group)
Triggering a digital input
Possible
Switch rate
•
For resistive load
Max. 10 Hz
•
For inductive load
to IEC 947-5-1, DC 13
to IEC 947-5-1, DC 13
Max. 0.5 Hz
Short-circuit protection
of output
of output
Electronically
protected
protected
2)
•
Threshold on
Typ. 04 A to 5 A
Replacement fuses
Fuse, 8 A/250 V, quick
blow
blow
1) To achieve maximum performance capability,
distribute the high-current load between the two
groups.
groups.
2) To reset a deactivated output,
first set the output signal to 0 and then to 1.
If output signal 1 is written to a deactivated
output and the short circuit remains, additional
interrupts are generated (provided the diagnostic
interrupt parameter was set).
output and the short circuit remains, additional
interrupts are generated (provided the diagnostic
interrupt parameter was set).