Digital Modules
3-95
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Technical specifications of the SM 322; DO 16 x Rel. 120/230 VAC
Dimensions and Weight
Dimensions W x H x D
(in millimeters)
40 x 125 x 117
Weight Approx. 250 g
Data for Specific Module
Supports clocked
operation
No
Number of outputs 16
Length of cable
• Unshielded
• Shielded
max. 600 m
max. 1000 m
Voltages, Currents, Potentials
Rated supply voltage of the
relay L +
24 VDC
Total current of the outputs
(per group)
max. 8 A
Isolation
• Between channels and
backplane bus
Yes
• Between the channels
In groups of
Yes
8
Permitted potential difference
• Between M
internal
and
supply voltage of the
relays
75 VDC / 60 VAC
• Between M
internal
and
supply voltage of the
relays and the outputs
230 VAC
• Between the outputs of
the different groups
500 VAC
Insulation tested with
• Between M
internal
and
supply voltage of the
relays
500 VDC
• Between M
internal
and
supply voltage of the
relays and the outputs
1500 VAC
• Between the outputs of
the different groups
2000 VAC
Current consumption
• From the backplane bus
• From supply voltage L+
max. 100 mA
max. 250 mA
Power dissipation of the
module
typ. 4.5 W
Status, Interrupts, Diagnostics
Status display Green LED per channel
Interrupts None
Diagnostic functions None
Data for Selecting an Actuator
Continuous thermal current max. 2 A
Minimum load voltage /
current
10 V / 10 mA
Short-circuit proof to
IEC 947-5-1
200 A, with B10/B16
circuit breaker
Switching capacity and lifetime of the contacts
• For resistive load
Voltage Current No. of
switching cyc.
(typ.)
24 VDC
60 VDC
120 VDC
24 VAC
48 VAC
60 VAC
120 VAC
230 VAC
2.0 A
1.0 A
0.5 A
0.5 A
0.2 A
1.5 A
1.5 A
1.5 A
2.0 A
1.0 A
0.5 A
2.0 A
1.0 A
0.5 A
0.1 million
0.2 million
1.0 million
0.2 million
0.6 million
1.5 million
1.5 million
1.5 million
1.0 million
1.5 million
2.0 million
1.0 million
1.5 million
2.0 million
• Inductive load according to IEC 947-5-1 DC13/AC15
Voltage Current No. of
switching cyc.
(typ.)
24 VDC
60 VDC
120 VDC
24 VAC
48 VAC
60 VAC
120 VAC
230 VAC
2.0 A
1.0 A
0.5 A
0.5 A
0.2 A
1.5 A
1.5 A
1.5 A
2.0 A
1.0 A
0.5 A
2.0 A
1.0 A
0.5 A
0.05 million
0.1 million
0.5 million
0.1 million
0.3 million
1 million
1 million
1 million
0.7 million
1.0 million
1.5 million
0.7 million
1.0 million
1.5 million
An external protection circuit will enhance the service life
of the contacts.
Size of the motor starter max. size 5 to NEMA
Lamp load 50 W / 230 VAC
5 W / 24 VDC
Contact protection (internal) None
Parallel connection of
2 outputs
• 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
• Mechanical max. 10 Hz
• For resistive load 1 Hz
• Inductive loads according
to IEC 947-5-1, DC 13/AC
15
max. 0.5 Hz
• For lamp load 1 Hz
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