Moxa NPORT 5610-16 User Manual download pdf (Page 49)

NPort 5600 Series User’s Manual Web Console Configuration

5-18

TCP Client Mode

TCP alive check time

Setting Factory Default Necessity

0 to 99 min 7 min Optional

0 min: TCP connection is not closed due to an idle TCP connection.

1 to 99 min: NPort automatically closes the TCP connection if there is no TCP activity for the

given time.

Inactivity time

Setting Factory Default Necessity

0 to 65535 ms 0 ms Optional

0 ms: TCP connection is not closed due to an idle serial line.

0-65535 ms: NPort automatically closes TCP connection, if there is no serial data activity for the

given time.

This parameter defines the maintenances status as Closed or Listen on the TCP connection. The

connection is closed if there is no incoming or outgoing data through the serial port during the

specific Inactivity time.

If the value of inactivity time is set to 0, the current TCP connection is maintained unless there’s

no connection close request. Although the inactivity time is disabled, the NPort will check the

connection status between the NPort and remote host by sending “keep alive” packets periodically.

If the remote host does not respond to the packets, it treats the connection as being down

unintentionally. NPort will then force the existing TCP connection to close.

ATTENTION

The Inactivity time should at least be set larger than that of Force transmit timeout. To prevent

the unintended loss of data due to the session being disconnected, it is highly recommended that

this value is set large enough so that the intended data transfer is completed.

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Moxa NPORT 5610-16 User Manual Page 49