Siemens SIMATIC NET S7-300 Operating Instructions

Approvals and markings
6
The SIMATIC NET products described in these Operating Instructions have the approvals listed
below.
Note
Issued approvals on the type plate of the device
The speci󹪝ed approvals apply only when the corresponding mark is printed on the product. You
can check which of the following approvals have been granted for your product by the markings
on the type plate.
Current approvals on the Internet
You will 󹪝nd the current approvals for the product on the Internet pages of Siemens Industry
Online Support (https://support.industry.siemens.com/cs/ww/en/ps/15273/cert).
Compact Switch Module CSM 377
Operating Instructions, 06/2022, A2B00073499-02 35

Siemens SIMATIC NET S7-300 Specifications

General

Product Type Designation	SIMATIC NET S7-300
Mounting	DIN rail mounting
Protection Class	IP20
CPU Models	Various models available (e.g., CPU 312, CPU 314)
Communication Interfaces	MPI, PROFIBUS DP
Power Supply	24 V DC power supply required. Different power supply modules available.
I/O Modules	Digital input modules, digital output modules, analog input modules, analog output modules
Programming	STEP 7 software
Supply Voltage	24V DC or 120/230V AC (depending on model)
Digital Inputs	Available via digital input modules
Digital Outputs	Available via digital output modules
Analog Inputs	Available via analog input modules
Analog Outputs	Available via analog output modules
Communication Functions	MPI, PROFIBUS DP, Ethernet (depending on model)
Protocols	MPI, PROFIBUS DP, TCP/IP (depending on model)
Operating Temperature	0°C to 60°C
Storage Temperature	70 °C
Memory	Depends on CPU model (e.g., 32 KB to 1.5 MB)