Omron CJ1W-DRM21 Operation Manual page 274

9 Troubleshooting and Maintenance
Event name Node Address Duplicated Error
Meaning An error was discovered during the node address duplication check when starting the DeviceNet Unit.
Source PLC Function Module
Error attributes Level
Effects User program
System-defined Variable
variables
None
Cause and Assumed cause
correction
The node address of the DeviceNet
Unit is also set for another node.
Attached None
information
Precautions/ None
Remarks
Event name Routing Table Error
Meaning There is illegal data in the routing tables set in the CPU Unit.
Source PLC Function Module
Error attributes Level
Effects User program
System-defined Variable
variables
None
Cause and Assumed cause
correction
The local DeviceNet Unit is not in the
routing tables.
The routing table format is incorrect.
Reading the routing tables timed out.
Attached None
information
Precautions/ You can change the event level to the observation level. If you change the level to the observation level, the Recovery
Remarks column above will be changed to "Cycle power supply or reset Controller."
9-44
Source details
Minor fault Recovery
Continues. Operation
Data type
---
Correction
Correct the node address of the
DeviceNet Unit so that it is not set for
any other node.
Source details
Minor fault Recovery
Continues. Operation
Data type
---
Correction
Correct the routing tables so that the
local DeviceNet Unit is included in
them.
Correct the routing tables so that the
proper format is used.
Check the status of the CPU Unit, and
then perform the required corrective
actions.
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
Event code 2448 0000 hex
CJ-series Unit Detection
timing
Cycle the power Log category
supply.
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.
Name
---
Prevention
Set node addresses so that each one
is used only once.
Event code 34BC 0000 hex
CJ-series Unit Detection
timing
Cycle the power Log category
supply or reset
the Controller.
Processing will continue without using routing tables.
Name
---
Prevention
Make sure that the local DeviceNet
Unit is in the routing tables.
Make sure that the routing tables are
set correctly.
None
When trying to
establish a link
System
At power ON or
Controller reset
System