Siemens SIMATIC NET S7-300 User Manual

5 Configuring Communication Connections
A-110
S7-CPs for Industrial Ethernet Configuring and Commissioning
Release 01/2007
C79000-G8976-C182-07
The following table lists the possible options.
Table 5-2
Meaning for Connection
Establishment
IP Address /
MAC Address
TSAP / Port Possible Connection
Establishment
by any partner empty empty passive
by any partner via specific TSAP empty specified passive
to or by a specific partner specified specified active / passive
The free UDP connection is another variant. With this type of connection, the
address of the connection partner is left open during configuration. The
communication nodes are identified by address information in the communication
job in the user program.
For further information, refer to the sections dealing with specific connections.
Notice
The number of connections possible per Ethernet CP can be found in the manual
/2/supplied with the CP. If several CPs are installed in one station, the next CP is
automatically selected if the limit is exceeded. The connections can be routed in
the Properties dialog of the connection.

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)