9 Troubleshooting and Maintenance
9-44
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
Event name Node Address Duplicated Error Event code 24480000 hex
Meaning An error was discovered during the node address duplication check when starting the DeviceNet Unit.
Source PLC Function Module Source details CJ-series Unit Detection
timing
When trying to
establish a link
Error attributes Level Minor fault Recovery Cycle the power
supply.
Log category System
Effects User program Continues. Operation The DeviceNet Unit is offline. Communications will not
operate. Error responses are returned to all communica-
tions requests. Data refreshing with the CPU Unit will con-
tinue. Communications are not performed if two
DeviceNet Units have the same node address.
System-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
The node address of the DeviceNet
Unit is also set for another node.
Correct the node address of the
DeviceNet Unit so that it is not set for
any other node.
Set node addresses so that each one
is used only once.
Attached
information
None
Precautions/
Remarks
None
Event name Routing Table Error Event code 34BC0000 hex
Meaning There is illegal data in the routing tables set in the CPU Unit.
Source PLC Function Module Source details CJ-series Unit Detection
timing
At power ON or
Controller reset
Error attributes Level Minor fault Recovery Cycle the power
supply or reset
the Controller.
Log category System
Effects User program Continues. Operation Processing will continue without using routing tables.
System-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
The local DeviceNet Unit is not in the
routing tables.
Correct the routing tables so that the
local DeviceNet Unit is included in
them.
Make sure that the local DeviceNet
Unit is in the routing tables.
The routing table format is incorrect. Correct the routing tables so that the
proper format is used.
Make sure that the routing tables are
set correctly.
Reading the routing tables timed out. Check the status of the CPU Unit, and
then perform the required corrective
actions.
None
Attached
information
None
Precautions/
Remarks
You can change the event level to the observation level. If you change the level to the observation level, the Recovery
column above will be changed to “Cycle power supply or reset Controller.”
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