Additional Information
IP Router Table Setting Example
Set the following IP router table on the node A device to use tag data links or CIP message
communications between node A and node B through the IP router.
For an NX-series CPU Unit or an NX-series EtherNet/IP Unit, set Port Forward -
IP Forward to
Use.
If you set the IP router table and execute a communications instruction from node A to node B,
node A sends packets addressed to the gateway IP address (130.25.36.253).
Node A
IP router, NX-series CPU Unit
or NX-series EtherNet/IP Unit
Node B
The host fields are set to 0 in the destination IP address.
130. 25. XX. XX 130. 26. XX. XX
130.25.36.253 130.26.2.254
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Port Forward
Setting Description Default
IP Forward Select whether to transfer IP packets between communications
ports.
Do not use
The following shows the applications that are not supported by the NX-series EtherNet/IP Unit, and
they are classified by whether this function is valid or invalid. In applications for which this function
is invalid, the IP packets are not transferred even if the Use Option is selected.
Valid/Invalid Application
Valid Socket communications, secure socket communications, FTP server, FTP client, NTP client,
DB connection service, Modbus/TCP communications, MQTT communications
Invalid FINS/UDP, FINS/TCP, DHCP client, OPC UA, SECS/GEM connection service, Robot inte-
grated
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TCP/UDP Port Transfer
Setting Description Default
Port Set the TCP port or UDP port that is used for TCP/IP communi-
cations if you want to access the CPU Unit via the EtherNet/IP
port on the NX-series EtherNet/IP Unit
from an external device
such as a computer. This setting is set for each EtherNet/IP port.
*1*2
• Port1
• Port2
None
Protocol Set the protocol used for communications.
• TCP
• UDP
None
7 Sysmac Studio Settings for the EtherNet/IP Port
7-6
NX-series EtherNet/IP Unit User's Manual (W627)
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