Siemens SIMATIC S7-300 Module data Hardware And Installation Manual

Product overview
S7-300 Programmable Controller Hardware and Installation
A5E00105492-01
3-3
Horizontal Installation
Vertical Installation
You have to always position the CPU and the power supply
at the bottom or on the left.
SF
BUSF
DC5V
FRCE
RUN
STOP
SIEMENS
PS CPU
SF
BUSF
DC5V
FRCE
RUN
STOP
SIEM
E
N
S
PS
CPU
Figure 3-2 Horizontal and vertical installation of an S7-300
S7-300 modules
You can choose from a number of modules to install and commission an S7-300
PLCs. The table below shows the major modules and their function.
Table 3-1 S7-300 modules
Components Function Illustration
Profile rail
Accessory:
Shielding element
... is the module rack for an S7-
300
Power supply (PS) ... converts mains voltage
(120/230 VAC) to 24 VDC
operating voltage for the supply
of the S7-300 and 24 VDC load
circuits

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)