Siemens SIMATIC S7-300 Reference Manual page 136
Programmable logic controllers module data
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- Manual (676 pages) ,
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Digital Modules
Technical specifications of the SM 322; DO 32 x 120 VAC/1.0 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 60 _C
up to 40 _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. max. 25 W
Status, Interrupts, Diagnostics
Status display
Interrupts
Diagnostic functions
•
Group error display
3-52
80 x 125 x 117
Approx. 500 g
No
32
max. 600 m
max. 1000 m
120/230 VAC
47 Hz to 63 Hz
max. 3 A
max. 4 A
max. 4 A
Yes
Yes
8
250 VAC
250 VAC
DC 4000 V
max. 190 mA
max. 10 mA
Green LED per channel
No
Yes
Red LED (SF)
Data for Selecting an Actuator
Output voltage
•
At signal "1"
Output current
•
At "1" signal
Rated value
Permitted range
Permitted current surge
(per group)
•
At "0" signal
Leakage current
Output delay (for resistive load)
•
At "0" to "1"
•
At "1" to "0"
Blocking voltage
Zero transition
Size of the motor starter
Lamp load
Parallel connection of
2 outputs
•
For redundant
actuation of a load
•
To increase
performance
Actuation of
digital input
Switch rate
•
For resistive load
•
Inductive loads,
according to
IEC 947-5-1, AC 15
•
For lamp load
Short-circuit protection of the
output
Programmable Logic Controllers S7-300 Module Data
min. L1 (–0,8 V)
1 A
10 mA to 1 A
10 A
(for 2 AC scan cycles)
max. 2 mA
1 AC scan cycle
1 AC scan cycle
max. 60 V
max. size 4 to NEMA
max. 50 W
Possible (only outputs
of the same group)
Not possible
Possible
max. 10 Hz
max. 0.5 Hz
1 Hz
No
A5E00105505-03
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