Send/Receive Communication / Configured Connections - Siemens S7-300 Configuration Manual

"TCP Connections" tab
This page informs you about the status of TCP connections.
Parameters
Number
Local IP address
Local port
Partner IP address
Partner port
Status
"UDP Connections" tab
This page informs you about set up UDP connections.
Parameters
Number
Local IP address
Local port
Partner IP address
Partner port
11.3.6

SEND/RECEIVE communication / configured connections

The "SEND/RECEIVE communication" entry in the navigation panel contains information
about the status of the connections in the tabs for the relevant connection type.
Statistics relating to the mode and the frames transferred since the last module restart are
also displayed. The statistics are connection-specific. Select a connection in the connection
table at the top of the page.
A test e-mail can be sent in the "SMTP" tab.
Display dependent on the configuration / programming
Whether or not the tabs described below are displayed depends on whether corresponding
connection types have been configured.
Configuring and commissioning S7 CPs for Industrial Ethernet
Configuration Manual, 09/2013, C79000-G8976-C182-13
Function
Consecutive number of the TCP connection
IP address of the CP
Number of the port used for the TCP connection
Partner IP address
Number of the port on the partner used for the TCP connection
Connection status of the TCP connection, for example:
LISTEN (waiting for connection)
•
ESTABLISHED (existing connection)
•
TIME WAIT (wait state prior to connection termination) and
•
other interim statuses such as SYN SENT, SYN RECV, CLOSING etc.)
•
Function
Consecutive number of the UDP connection
IP address of the CP
Number of the port used for the UDP connection
Cannot be obtained with UDP. Therefore displayed with "*"
Cannot be obtained with UDP. Therefore displayed with "*"
Web diagnostics
11.3 Diagnostics pages of the CP
181