Omron NX Series User Manual page 359

Event name IP Address Duplication Error
Meaning The same IP address is used more than once.
Source X Bus Ethernet Function Module
Error attributes Level
Effects User program
Indicators Ethernet NET RUN
OFF
Device variable Variable
ETN_Port1Status.IPAdrDupErr
ETN_Port2Status.IPAdrDupErr
Cause and cor- Assumed cause
rection
The IP address of the Ethernet port
is duplicated with the IP address of
another node.
Attached infor- Attached information 1: Duplicated IP address (example: C0A8FA01 hex = address 192.168.250.1)
mation
Precautions/ A duplicated address error occurs if an ARP is sent with the set IP address and there is an ARP response.
Remarks
NX-series EtherNet/IP Unit User's Manual (W627)
Source details
Minor fault Recovery
Continues. Operation
Ethernet NET ERR
Flashes at 1-s intervals.
Data type
BOOL
BOOL
Correction
Perform either of the following cor-
rections.
•
Check the IP addresses of other
nodes and correct the IP ad-
dress settings so that the same
address is not used by more
than one node.
•
Remove the other node that has
the duplicate IP address from
the network and then cycle the
power supply to the Controller or
reset the Controller.
14 Troubleshooting
Event code 85D00000 hex
1 to 4: Mounting Detection tim-
position of the X ing
Bus Unit (unit
number) and
communications
port 1/
communications
port 2 are given
in combination
Automatic re- Log category
covery (after
downloading the
IP address set-
tings), cycle the
power supply, or
Controller reset
Ethernet communications are not possible for the rele-
vant communications port. Packets addressed to the
local IP address of the relevant communications port
are discarded.
Ethernet LINK/ACT
---
Name
Port1 IP Address Duplication Error
Port2 IP Address Duplication Error
Prevention
Perform allocations so that IP ad-
dresses of nodes on the network
are used for only one node.
Continuously af-
ter link estab-
lishment
System
14
14-23