NPort IA5150A/IA5250A Series Web Console Configuration
Max connection
Setting Factory Default Necessity
1, 2, 3, 4, 5, 6, 7, 8 1 Required
Max connection is usually used when the user needs to receive data from different hosts simultaneously. The
factory default only allows 1 connection at a time.
Max connection 1:
NPort only allows 1 host to open the TCP connection to the specific serial port.
Max connection 2 to 8:
Allows two to eight host’s TCP connection request to open this NPort IA5150A/IA5250A serial port, at the same
time. When multiple hosts establish a TCP connection to the specific serial port at the same time, NPort
IA5150A/IA5250A will duplicate the serial data and transmit it to all of the hosts. Ethernet data will be sent on
a first-in-first-out basis to the serial port when the data is received by the NPort IA5150A/IA5250A from the
Ethernet interface.
Ignore jammed IP
Setting Factory Default Necessity
No or Yes No Optional
If you select “No” when Max connections is > 1 and the serial device is transmitting data, in the event one of
the connected hosts is not responding, the second group of data will not be sent until all the data from the first
group has been successfully transmitted. If you select “Yes” for “Ignore jammed IP,” hosts that are not
responding will be ignored, but the data will still be transmitted to all the other hosts.
Allow driver control
Setting Factory Default Necessity
No or Yes No Optional
If “Max connection” is greater than 1, the NPort will ignore driver control commands from all connected hosts.
However, if you set “Allow driver control” to YES, control commands will be accepted. Note: Since the NPort
IA5150A/IA5250A may get configuration changes from multiple hosts, the most recent command received will
take precedence.
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 None Optional
Delimiter 2
Setting Factory Default Necessity
00 to FF None Optional
Once the NPort IA5150A/IA5250A receives both delimiters through its serial port, it immediately packs all data
currently in its buffer and sends it to the NPort IA5150A/IA5250A’s Ethernet port.
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