Omron NY532-5400 Troubleshooting Manual page 593

Event name IP Address Duplication Error
Meaning The same IP address is used more than once.
EtherNet/IP Function Module
Source
Error attri-
Level
butes
Effects User program
NET RUN
Status
Stop
Variable
System-
defined
_EIP1_IPAdrDupErr
variables
Assumed cause
The IP address of the built-in Eth-
erNet/IP port is also used as the
IP address of another node.
Cause and
correction
Attached Attached information 1: Duplicated IP address (example: C0A8FA01 hex = address 192.168.250.1)
information
Precautions/ A duplicated address error occurs if an ARP is sent with the set IP address and there is an ARP response.
Remarks
NY-series Troubleshooting Manual (W564)
Source details
Minor fault
Recovery
Continues.
Operation
NET ERR
Error
Data type
BOOL
Correction
Perform either of the following
and then cycle the power supply
to the Controller or reset the Con-
troller.
• Check the IP addresses of
other nodes and correct the IP
address settings so that the
same address is not used by
more than one node.
• Remove the node that has the
duplicate IP address from the
network.
3 Error Descriptions and Corrections
Event code 840A0000 hex
Communica-
Detection
tions port
timing
1/Internal port 1
Automatic
Log category
recovery
EtherNet/IP communications are not possible for
the relevant communications port. Packets
addressed to the local IP address of the relevant
communications port are discarded.
LINK
---
Name
Port1 IP Address Duplication
Error
Prevention
Perform allocations so that IP
addresses of nodes on the net-
work are used for only one node.
After link is
established
System
3
3-517