Siemens SIMATIC S7-300 Module data Hardware And Installation Manual

Configuring
S7-300 Programmable Controller Hardware and Installation
4-6 A5E00105492-01
Rules: Clearance
You must maintain the clearance as shown in the figure in order to provide module
installation space and to ensure elimination of heat generated by the modules.
The S7-300 assembly on multiple module racks shown in the figure below specifies
the clearance between module racks and adjacent components, cable ducts,
cabinet walls etc.
40 mm
20 mm
40 mm
a
200 mm + a
CPU
CPU
40 mm (when using a shield contact element from its
lower edge)
40 mm
20 mm
e. g. cable channel
Figure 4-3 Clearance

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)