Siemens SIMATIC S7-300 Module data Hardware And Installation Manual

Configuring
S7-300 Programmable Controller Hardware and Installation
4-24 A5E00105492-01
low-voltage distribution
e. g. TN-S System (3 x 400 V)
Cabinet
Rail
Ground bus in cabinet
PS
CPU
SM
Signal modules
L1
N
L+
M
µP
AC 24 to 230V l for AC modulesoad circuit
DC 5 to 60V l for
non-isolated DC modules
oad circuit
DC 5 to 60V load circuit for isolated
DC modules
AC
AC
AC
AC
DC
DC
L1
L2
L3
N
PE
* In the case of CPU 31xC or 312 IFM, the connection will automatically be established
*
Figure 4-11 Grounding conception S7-300 with CPU 31xC

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)