9 Socket Service
9-12
NJ-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
z Keep Alive
z IP Router Table Display
Setting Description Default
Keep Alive Select whether to use the remote node keep alive function
of connected servers and clients (such as socket services,
FTP server, Sysmac Studio, and FINS/TCP) for each con-
nection number. If Use is selected here and the remote
node does not respond during the set monitoring time, the
connection is disconnected. The connection is left open if
the power supply to the remote node is turned OFF without
warning. Use the keep-alive function whenever possible.
• Use.
• Do not use.
Use.
Keep Alive monitoring
time
The connection is disconnected if the keep-alive function is
enabled and the remote node does not respond during the
monitoring time set in the Keep Alive Monitoring Setting.
Setting range: 1 to 65,535 (seconds)
300
Linger option Set whether to specify the Linger Option for connections to
socket services. If the Linger Option is specified, the port
number is immediately opened even before the port num-
ber is released after the socket closes (approx. 1 minute).
• Specify.
• Do not specify.
Do not specify.
Parameter Description Default
Destination IP
Address
Set these settings when the built-in EtherNet/IP port communicates
with nodes on other IP network segments via an IP router. You can set
up to eight combinations of IP addresses and gateway addresses.
Specify 0 for the host portions of the IP addresses.
None
Destination Mask
IP Address
None
Gateway Address None
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