Siemens SIMATIC NET S7-300 Operating Instructions

standards (EN) which are published in the o󹪟cial documentation of the European Union and
here.
• 2014/34/EU (ATEX explosion protection directive)
Directive of the European Parliament and the Council of 26 February 2014 on the
approximation of the laws of the member states concerning equipment and protective
systems intended for use in potentially explosive atmospheres, o󹪟cial journal of the EU L96,
29/03/2014, pages. 309-356
• 2014/30/EU (EMC)
EMC directive of the European Parliament and of the Council of February 26, 2014 on the
approximation of the laws of the member states relating to electromagnetic compatibility;
o󹪟cial journal of the EU L96, 29/03/2014, pages. 79-106
• 2011/65/EU (RoHS)
Directive of the European Parliament and of the Council of 8 June 2011 on the restriction of
the use of certain hazardous substances in electrical and electronic equipment, o󹪟cial
journal of the EC L174, 01/07/2011, pages 88-110
You will 󹪝nd the EC declaration of conformity for these products on the Internet pages of
Siemens Industry Online Support (https://support.industry.siemens.com/cs/ww/en/ps/15273/
cert).
The EC Declaration of Conformity is available for all responsible authorities at:
Siemens Aktiengesellschaft
Digital Industries
DE-76181 Karlsruhe
Germany
UK Declaration of Conformity
The UK declaration of conformity is available to all responsible authorities at:
Siemens Aktiengesellschaft
Digital Industries
Process Automation
DE-76181 Karlsruhe
Germany
Importer UK:
Siemens plc,
Manchester M20 2UR
You can 󹪝nd the current UK Declaration of Conformity for these products on the Internet pages
under Siemens Industry Online Support (https://support.industry.siemens.com/cs/ww/en/ps/
15273/cert).
Approvals and markings
6.1 Notes on the CE Mark
Compact Switch Module CSM 377
Operating Instructions, 06/2022, A2B00073499-02 37

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)