Omron NJ Series Troubleshooting Manual page 167

CJ-series DeviceNet Units
The section provides tables of the events that can occur in the following Units.
CJ1W-DRM21
Event code Event name
04880000 hex Unit Memory
Error
04890000 hex Network
Power Error
148D0000 hex Invalid Scan
List Data
148E0000 hex Invalid Setup
Data
24480000 hex Node
Address
Duplicated
Error
34BC0000 hex Routing Table
Error
NJ-series Troubleshooting Manual (W503)
Meaning Assumed cause
An error occurred • There is a source of noise
when writing to nearby.
internal memory
• Non-volatile memory failure
where the error his-
tory is saved.
Network power is • Communications power is not
not being supplied. being supplied normally from
the network.
There is an error in • The power was interrupted dur-
the contents of the ing writing the scan list to the
slave scan list or non-volatile memory.
master scan list
stored in non-vola-
tile memory.
There is illegal data • The power was interrupted
in the settings for while the system was writing
the slave function. the parameters.
• Non-volatile memory life
An error was dis- • The node address of the
covered during the DeviceNet Unit is also set for
node address dupli- another node.
cation check when
starting the
DeviceNet Unit.
There is illegal data • The local DeviceNet Unit is not
in the routing tables in the routing tables.
set in the CPU Unit.
• The routing table format is
incorrect.
• Reading the routing tables
timed out.
3 Error Tables
Level
Maj Prt Min Obs Info
S U CJ-series
DeviceNet
Units Opera-
tion Manual for
NJ-series
CPU Unit (Cat.
No. W497)
S Same as
above.
S Same as
above.
S Same as
above.
S Same as
above.
S U Same as
above.
Reference
3
3-105