Siemens SIMATIC NET S7-300 User Manual

A-15
S7-CPs for Industrial Ethernet Configuring and Commissioning
Release 01/2007
C79000-G8976-C182-07
1 Communication via Ethernet CPs in S7
Stations
The Ethernet CP for SIMATIC S7 provides a series of communications services for
different tasks.
This chapter explains the following:
 The types of communication possible with the Ethernet CP on Industrial
Ethernet
 The tasks handled by the Ethernet CP for the various services
 How to create the conditions for your communications requirements
You will find further information in the following sources:
 When installing the Ethernet CP, please refer to the instructions in the manual
/2/ supplied with the Ethernet CP. This also contains further information about
the performance of the Ethernet CP .
 For the functions and use of the STEP 7 configuration software, some of which
is used to configure the CP (such as hardware configuration), please refer to
/6/.
 For using, structuring and handling Industrial Ethernet, you will find detailed
information in /10/.
 For a general introduction to local area networks with TCP/IP refer to /12/ and
/13/.

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)