W&T 58031, Руководство пользователя

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109
W&T
Data transfer per TCP/IP sockets
Subject to error and alteration
Closing the TCP connection
To close the connection the following methods from the Sub-
menu
...TCP Client
r
Special Options are available. If connection
control is configured using the handshake inputs CTS or DSR,
the connection is also closed when this line drops.
n
Inactivity Timeout
Default: 30
Here you can specify the value for a timer. When the
specified time expires, the Com-Server port closes the
connection. The timer is reset if there is an active network
connection when data are being exchanged. If no data are
set within the specified time, the Com-Server port closes the
connection to the TCP server. InactivityTimeout = 0
deactivates the connection closing after a timeout.
1 Tick: 1 second
Format: decimal
n
Disconnect Char
Default: 0
If the Com-Server receives the character defined here at the
serial port, the connection to the TCP server is closed. The
character itself is not sent to the TCP server. Default value
is 0 (=deactivated).
Format: decimal
n Connection Timeout
Default: 300
This value is a connection timeout that is only effective
together with an activated
Inactivity Timeout . After the
Inactivity Timeout expires, the Com-Server tries to send any
still existing, unsent user data for the duration of the
Connection Timeout. If it receives no reply from the TCP
server within this time, you may assume the connection is
„hanging“; the data are then rejected and the connection