Siemens SIMATIC NET S7-300 User Manual

5 Configuring Communication Connections
A-136
S7-CPs for Industrial Ethernet Configuring and Commissioning
Release 01/2007
C79000-G8976-C182-07
Table 5-4 , Fortsetzung
Application / Note Port Addresses
Range used by NCM in which a free port address is
searched for and assigned.
You can set any port address within this range.
from 2000 to 5000
Port addresses higher than 5000 are used by the system!
Note:
If you want to use these port addresses, please contact
your system administrator.
from 5000...65535
The following port numbers are reserved; you should not use these for other
purposes in the connection project engineering.
Table 5-5 Reserved Port Numbers
Protocol
Port Number Service
TCP 20, 21 FTP
TCP 25 SMTP
TCP 80 HTTP
TCP 102 RFC1006
TCP 135 RPC -DCOM
UDP 161 SNMP_REQUEST
UDP 34964 PN IO
UDP 65532 NTP
UDP 65533 NTP
UDP 65534 NTP
UDP 65535 NTP

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)