Configuration
4.5 Ethernet interface (X1) > Advanced options
CP 1243-1
40 Operating Instructions, 12/2016, C79000-G8976-C365-02
to the individual partner. The value of 180 seconds preset on the Ethernet interface is
adopted for the individual partners.
If for any reason you want to change the value of the TCP connection monitoring time
for individual partners, you can adapt the value for every partner individually in
"Partner stations". If. for example, you want to check the connection at shorter
intervals, reduce the value. If disruptions or delays occur often when transferring in
your mobile wireless network, it may be advisable to increase the value.
●
TCP keepalive monitoring time
After sending a keepalive, the CP expects a reply from the communications partner within
the keepalive monitoring time. If the CP does not receive a reply within the configured
time, it terminates the connection.
Default setting: 10 s. Permitted range: 1...65535 s.
–
The parameter below the Ethernet interface
The monitoring time is configured for the Ethernet interface as a global setting for all
TCP connections.
–
The parameter below "Partner stations"
As with the TCP connection monitoring time, the value of "Partner stations" can be
adapted for each partner individually.
Ethernet interface (X1) > Advanced options > Transfer settings
●
Connection establishment delay
The settings made here apply to the connection to the telecontrol server.
The reconnection delay is the waiting time between repeated attempts to establish the
connection by the CP when the telecontrol server is not reachable or the connection has
aborted.
This waiting time avoids continuous connection establishment attempts at short intervals
if there are connection problems.
A basic value is configured for the waiting time before the next connection establishment
attempt. Starting at the basic value, the current waiting time is doubled after every 3
unsuccessful retries up to a maximum value of 900 s.
Default setting: 10 s. Permitted range of values for the basic value: 10...300 s
Example:
A configured basic value 20 results in the following intervals (waiting times) between the
attempts to re-establish a connection:
– three times 20 s
– three times 40 s
– three times 80 s
– etc. up to max. 900 s
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