Siemens NCM S7 Manual De Usuario
Configuring Communication Connections
123
SIMATIC NET NCM S7 for Industrial Ethernet
Release 6/2003
Release 6/2003
C79000–G8976–C129–07
4.6.2
Specifying TCP Addresses
Address Parameters and Connection Types
With TCP, the communication partners are addressed by the local and remote
endpoints as follows:
endpoints as follows:
S
Local addresses:
Local IP address and local port
Local IP address and local port
S
Remote addresses:
Remote IP address and remote port
Remote IP address and remote port
TCP
connection
connection
MAC
address A
address A
Ethernet station B
Ethernet station A
IP
address B
address B
remote
port
port
local
port
port
local
port
port
remote
port
port
Figure 4-15
Sending and Receiving on One TCP Connection
Depending on the required connection type, the remote address parameters are
either specified or left open during configuration.
either specified or left open during configuration.
S
Specified TCP connection
You specified a destination station when you created the connection.
S
Unspecified TCP connection
You entered “unspecified” for the connection partner when you created the
connection.
connection.