13-45
13 Troubleshooting
CJ-series EtherNet/IP Units Operation Manual for NJ-series CPU Unit (W495)
13-5 Event Logs
13
13-5-3 Error Descriptions
Event name IP Address Duplication Error Event code 84E00000 hex
Meaning The same IP address is used more than once.
Source PLC Function Module Source details CJ-series Unit Detection
timing
After determining
IP addresses
Error attributes Level Minor fault Recovery Error reset Log category System
Effects User program Continues. Operation EtherNet/IP communications are not possible. Error
responses are returned to all communications requests.
Data refreshing with the PLC Function Module will con-
tinue.
System-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
The IP address of the EtherNet/IP
port is also used as the IP address of
another node.
Perform either of the following and
then cycle the power supply to the
Controller or reset the Controller.
• 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 net-
work.
Perform allocations so that IP
addresses of nodes on the network
are used for only one node.
Attached
information
None
Precautions/
Remarks
None
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