Siemens SIMATIC S7-300 Reference Manual page 170
Programmable logic controllers module data
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- Manual (676 pages) ,
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- Hardware and installation manual (256 pages)
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Digital Modules
Technical specifications of the SM 322; DO 8 x 120/230 VAC/2 A
Dimensions and Weight
Dimensions W x H x D
(in millimeters)
Weight
Data for Specific Module
Supports clocked
operation
Number of outputs
Length of cable
•
Unshielded
•
Shielded
Voltages, Currents, Potentials
Rated load voltage L1
•
Permitted frequency range
Total current of the outputs
(per group)
•
Horizontal configuration
Up to 40 _C
Up to 60 _C
•
Vertical configuration
Up to 40 _C
Isolation
•
Between channels and
backplane bus
•
Between the channels
In groups of
Permitted potential difference
•
Between M
and the
internal
outputs
•
Between the outputs of the
different groups
Insulation tested with
Current consumption
•
From the backplane bus
•
From load voltage L1
(without load)
Power dissipation of the module typ. 8.6 W
Status, Interrupts, Diagnostics
Status display
Interrupts
Diagnostic functions
•
Group error display
3-86
40 x 125 x 117
Approx. 275 g
No
8
max. 600 m
max. 1000 m
120/230 VAC
47 Hz to 63 Hz
max. 4 A
max. 2 A
max. 2 A
Yes
Yes
4
230 VAC
500 VAC
1500 VAC
max. 100 mA
max. 2 mA
Green LED per channel
None
Yes
2)
Red LED (SF)
1)
2)
Data for Selecting an Actuator
Output voltage
•
At signal "1"
–
At maximum current
–
At minimum current
Output current
•
At signal "1"
Rated value
Permitted range for 0 _C to
40 _C
Permitted range for 40 _C
to 60 _C
Permitted current surge
(per group)
•
At signal "0"
(leakage current)
Output delay (for resistive load)
•
From "0" to "1"
•
From "1" to "0"
Minimum load current
Zero cross inhibit voltage
Size of the motor starter
Lamp load
Connecting two outputs in parallel
•
For redundant triggering of
a load
•
To increase performance
Triggering a digital input
Switch rate
•
For resistive load
•
Inductive loads, according
to IEC 947-5-1, AC 15
•
For lamp load
Short-circuit protection
of output
•
Min. current required for
fuse to blow
•
Max. response time
Replacement fuses
•
Wickman
•
Schurter
•
Littelfuse
Fuse carrier
•
Wickman
The load current must not be half-wave
Potential errors are:
- No load voltage
- Fuse defective
Programmable Logic Controllers S7-300 Module Data
min. L1 (–1.5 V)
min. L1 (–8.5 V)
1)
AC 2 A
10 mA to 2 A
10 mA to 1 A
max. 20 A
(not more than 1 AC
scan cycle)
max. 2 mA
Not more than 1 AC
scan cycle
Not more than 1 AC
scan cycle
10 mA
max. 60 V
max. size 5 to NEMA
max. 50 W
Possible (only outputs
of the same group)
Not possible
Possible
max. 10 Hz
max. 0.5 Hz
1 Hz
Fuse, 8 A/250 V; per
group
min. 40 A
max. 300 ms
8 A fuse/quick-acting
194-1800-0
SP001.1013
217.008
653 07
A5E00105505-03
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