NPort 5100A Series Web Console Configuration
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: The NPort 5100A 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: The NPort 5100A automatically closes the TCP connection if there is no serial data activity for the
given time.
This parameter defines the maintenance status as Closed or Listen for 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 Inactivity time is set to 0, the current TCP connection is kept active until a connection close request is
received. Although Inactivity time is disabled, the NPort 5100A will check the connection status between the
NPort 5100A and remote host by sending “keep alive” packets periodically. If the remote host does not respond
to the packet, the NPort 5100A assumes that the connection was closed down unintentionally. The NPort 5100A
will then force the existing TCP connection to close.
he Inactivity time should at least be set larger than that of Force t
ransmit 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.
ATTENTION
Inactivity time is ONLY active when
“TCP connect on” is set to “Any character.”
Ignore jammed IP
Setting Factory Default Necessity
No or Yes No Optional
Previously, when Max connections > 1, and the serial device is transmitting data, if any one of the connected
hosts is not responding, it will wait until the data has been transmitted successfully before transmitting the
second group of data to all hosts. Currently, if you select Yes for “Ignore jammed IP,” the host that is not
responding will be ignored, but the data will still be transmitted to the other hosts.
Packing length
Setting Factory Default Necessity
0 to 1024 0 Optional
Default = 0: The Delimiter Process will be followed, regardless of the length of the data packet. If the data
length (in bytes) matches the configured value, the data will be forced out. The data length can be configured
for 0 to 1024 bytes. Set to 0 if you do not need to limit the length.
Delimiter 1
Setting Factory Default Necessity
00 to FF (hex) None Optional
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