Siemens SIMATIC S7-300 Module data Reference Manual

Power Supply Modules
2-3
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Terminal assignment of the PS 305; 2 A
Strain-relief assembly
Terminals for system
voltage and protective
grounding conductor
Terminals for
24 VDC output
voltage
LED for “24 VDC
output voltage
available”
On/Off switch
for 24 VDC
24 VDC
L+1
M1
L+2
L+2
L+2
M2
M2
M2
I
Figure 2-1 Wiring Schematic of the PS 305 Power Supply Module (2 A)

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)