Omron NX Series User Manual page 456

Appendices
UDP
port
Application
num-
ber
CIP messages 44818
*1. The TCP/UDP port used for communications between the CPU Unit and the NX-series EtherNet/IP Unit via the X Bus.
It cannot be used by a user.
*2. An abbreviation for Routing Information Protocol. RIP is a protocol used to exchange route information between com-
munications devices such as routers in order to find the shortest distance from one point to another point in the net-
work.
*3. Closing the port may prevent communications with the Sysmac Studio and the NA-series HMI. Refer to
Troubleshooting when support software cannot go online in the NJ/NX-series Troubleshooting Manual (Cat. No. W503)
on how to make corrections.
*4. Closing the port may prevent communications with the Sysmac Studio. Refer to Troubleshooting When You Cannot Go
Online from the Sysmac Studio in the NJ/NX-series Troubleshooting Manual (Cat. No. W503) on how to make correc-
tions.
A-56
TCP
port Port Protocol
num- type used
ber
44818 User CIP
port
Default
port Usage
state
Open Used for the CIP mes-
sages.
NX-series EtherNet/IP Unit User's Manual (W627)
How to change
from open to
close
On the Sysmac
Studio, select
EtherNet/IP Port
Settings - CIP
Settings, and then
select Do not use
for CIP Message
Server.