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