Siemens Simantic Net NCM for Industrial Ethernet S7 - Manual (Page 123)

Configuring Communication Connections
123
SIMATIC NET NCM S7 for Industrial Ethernet
C79000-G8976-C129–06
Addresses Tab – Specified TCP Connection
The addresses tab displays proposed values for the relevant local and remote
address information. You can change the port settings individually.
Figure 4-19 Layout of the Properties Dialog in the “Addresses” tab with DEFAULT Ports for TCP
Connections
Ports
The ports or port addresses define the access point to the user program within the
station / CPU. They must be unique within the station / CPU!
The following table shows the range of values:
Table 4-4
Application / Note Port Addresses
Fixed, must not be used! 0
Assigned as default, should not be used (well-known ports) 1 to 1024
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