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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
2448 0000 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
34BC 0000 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.”
Summary of Contents for CJ1W-DRM21
Page 12: ...Manual Structure 10 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 ...
Page 42: ...Revision History 40 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 ...
Page 345: ...Index 1 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 I Index ...
Page 349: ......