Siemens SIMATIC S7-300 Reference Manual page 142
Programmable logic controllers module data
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Digital Modules
Technical specifications of the SM 322; DO 16 x 24 VDC/0.5 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 L+
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 the different
circuits
Insulation tested with
Current consumption
•
From the backplane bus
•
From load voltage L +
(without load)
Power dissipation of the module typ. 5 W
Status, Interrupts, Diagnostics
Status display
Interrupts
Diagnostic functions
3-58
40 x 125 x 117
Approx. 200 g
Yes
16
max. 600 m
max. 1000 m
24 VDC
max. 4 A
max. 3 A
max. 2 A
Yes
Yes
8
75 VDC / 60 VAC
500 VDC
max. 70 mA
max. 110 mA
Green LED per channel
None
None
Data for Selecting an Actuator
Output voltage
•
At signal "1"
Output current
•
At signal "1"
Rated value
Permitted range
•
At signal "0"
(leakage current)
Output delay
(for resistive load)
•
From " 0" to "1"
•
At "1" to "0"
Internal module run time
between the backplane bus and
the output driver input
•
"0" to "1"
•
At "1" to "0"
Load resistor range
Lamp load
Parallel connection of
2 outputs
•
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,
DC 13
•
For lamp load
Limit (internal) of the inductive
circuit interruption voltage up
Short-circuit protection of the
output
•
Threshold on
Programmable Logic Controllers S7-300 Module Data
High Speed
min. L + (–0.8 V)
0.5 A
5 mA to 0.6 A
max. 0.5 mA
max. 100 ms
max. 200 ms
0.1 ms to 20 ms
0.1 ms to 20 ms
48 W to 4 kW
max. 5 W
Possible (only outputs
of the same group)
Not possible
Possible
max. 1000 Hz
max. 0.5 Hz
max. 10 Hz
L + (–53 V), typ.
Yes, electronic
1 A, typ.
A5E00105505-03
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