Omron NJ Series

3-135
3 Error Tables
NJ-series Troubleshooting Manual (W503)
3-1 Errors by Source
3
3-1-9 Errors in CJ-series Units
The section provides tables of the events that can occur in the following Units.
CJ1W-SCU22
CJ1W-SCU32
CJ1W-SCU42
CJ-series Serial Communications Units
Event code Event name Meaning Assumed cause
Level
Reference
Maj Prt Min Obs Info
04740000 hex Error Log
Data Error
An error occurred in
the error log data.
• There is a source of noise
nearby.
• Non-volatile memory failure
S CJ-series
Serial Com-
munications
Units Opera-
tion Manual for
NJ-series
CPU Unit (Cat.
No. W494)
14800000 hex Protocol Data
Error
A protocol data
checksum error has
occurred.
• The communications connec-
tor with the CX-Protocol was
disconnected or the power sup-
ply to the Controller was inter-
rupted during transfer of the
protocol data from the CX-Pro-
tocol.
• The Serial Communications
Unit failed.
S Same as
above.
34A40000 hex System
Setup Error
There is an error in
the system settings
for the Serial Com-
munications Unit.
• There is an error in the system
settings for the Serial Commu-
nications Unit.
S Same as
above.
04750000 hex DTR Check
Error
An error was found
during the DTR
check.
• Loopback test jig failure.
• Noise
• The communications circuits in
the Serial Communications Unit
are faulty.
S Same as
above.
04760000 hex CTS Check
Error
An error was found
during the CTS
check.
• Loopback test jig failure.
• Noise
• The communications circuits in
the Serial Communications Unit
are faulty.
S Same as
above.
54A80000 hex Command
Error
A command error
occurred.
• The constant in the expected
receive message that is set in
the protocol macro is different
from the constant in the mes-
sage that was received.
S Same as
above.
54A90000 hex Sequence
Abort Com-
pleted
The sequence was
ended by an Abort
setting for the next
processing or error
processing.
• The protocol macro data is not
set correctly.
The baud rate, frame format, or
other system setting does not
agree with the remote node.
S Same as
above.