Siemens SIMATIC S7-300 Reference Manual page 173

Technical specifications of the SM 322; DO 8 x 120/230 VAC/2 A ISOL
Dimensions and Weight
Dimensions W x H x D
Weight
Data for Specific Module
Supports clocked
operation
Number of outputs
Length of cable
•
Unshielded
•
Shielded
Voltages, Currents, Potentials
Rated load voltage L1
Total current of the outputs
(module)
•
Horizontal configuration
Up to 40 °C
Up to 60 °C
•
Vertical configuration
Up to 40 °C
Isolation
•
Between channels and
backplane bus
•
Between channels
In groups of
Permitted potential difference
•
Between M and the
internal
outputs
•
Between outputs
Insulation tested with
•
Between M and the
internal
outputs
•
Between the outputs of the
different groups
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 interrupt
Diagnostic functions
•
Group error display
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
40 x 125 x 117
Approx. 275 g
No
8
max. 600 m
max. 1000 m
120/230 VAC
max. 8 A
max. 4 A
max. 4 A
Yes
Yes
1
230 VAC
500 VAC
1500 VAC
2000 VAC
max. 100 mA
max. 2 mA
Green LED per channel
Parameters can be
assigned
Red LED (SF)
Data for Selecting an Actuator
Output voltage
•
At signal "1"
Output current
•
At signal "1"
Rated value
Permitted range for 0 °C to
40 °C
Permitted range for
40 °C to 60 °C
Permitted surge current
(per group)
•
For "0" signal
(leakage 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 Yes,
Digital Modules
min. L1 (–8.5 V)
2 A
10 mA to 2 A
10 mA to 1 A
max. 20 A
(with 2 half-waves)
max. 2 mA
max. 60 V
max. size 5 to NEMA
max. 50 W
Possible
Not possible
Possible
max. 10 Hz
max. 0.5 Hz
max. 1 Hz
3.15 A /
250 V fuse, fast-acting
3-89