Siemens SIMATIC S7-300 Module data Reference Manual

Digital Modules
3-98
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Technical specifications of the SM 322; DO 8 x Rel. 230 VAC
Dimensions and Weight
Dimensions W x H x D
(in millimeters)
40 x 125 x 117
Weight Approx. 190 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 supply voltage of the
relay L +
24 VDC
Total current of the outputs
(per group)
max. 4 A
Isolation
• Between channels and
backplane bus
Yes
• Between the channels
In groups of
Yes
2
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
400 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
1500 VAC
Current consumption
• From the backplane bus
• From supply voltage L+
max. 40 mA
max. 160 mA
Power dissipation of the module typ. 3.2 W
Status, Interrupts, Diagnostics
Status display Green LED per channel
Interrupts None
Diagnostic functions None
Data for Selecting an Actuator
Continuous thermal current max. 3 A
Minimum load voltage / current 10 V /5 mA
Short-circuit proof according to
IEC 947-5-1
2)
With circuit-breaker of
characteristic B for:
cos  1.0: 600 A
cos  0.5 to 0.7: 900
A
With Diazed 8 A fuse:
1000 A
Switching capacity and lifetime of the contacts
• For resistive load
Voltage Current No. of
switching
cyc. (typ.)
24 VDC
60 VDC
120 VDC
48 VAC
60 VAC
120 VAC
230 VAC
2.0 A
1.0 A
0.5 A
0.5 A
0.2 A
2.0 A
2.0 A
2.0 A
1.0 A
0.5 A
2.0 A
1.0 A
0.5 A
0.7 million
1.6 million
4 million
1.6 million
1.6 million
1.6 million
1.2 million
0.5 million
2)
0.7 million
2)
1.5 million
2)
0.5 million
2)
0.7 million
2)
1.5 million
• Inductive load according to IEC 947-5-1 13 DC/15 AC
Voltage Current No. of
switching
cyc. (typ.)
24 VDC
60 VDC
120 VDC
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
2.0 A
1.0 A
0.7 A
0.5 A
2.0 A
1.0 A
0.5 A
0.3 million
0.5 million
1.0 million
0.5 million
0.3 million
2)
1 million
1 million
0.2 million
0.7 million
1 million
2.0 million
0.3 million
2)
0.7 million
2)
2 million
2)
Contact protection (internal) Varistor SIOV-CU4032
K275 G
An external protection circuit will enhance the service life
of the contacts.

Siemens SIMATIC S7-300 Module data Specifications

General

Series	S7-300
Manufacturer	Siemens
Protection Class	IP20
System	SIMATIC S7-300
Digital Inputs	Varies by module
Digital Outputs	Varies by module
Analog Inputs	Varies by module
Analog Outputs	Varies by module
Central Processing Unit	Varies by CPU model
Supply Voltage	24V DC or 120/230V AC
CPU Type	Varies (e.g., CPU 312, CPU 315, etc.)
Memory	Varies by CPU model
Communication Interfaces	MPI, PROFIBUS
Programming Languages	LAD, FBD, STL, SCL, GRAPH
Operating Temperature	0°C to 60°C
Storage Temperature	-40°C to 70°C
Relative Humidity	10% to 95% (non-condensing)