9-31
9 Troubleshooting and Maintenance
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
9-5 Even
t L
ogs
9
9-5-2 Error T
ab
le
Event code
Event name
Meaning
Assumed cause
Level
Reference
Maj
Prt
Min
Obs
Info
0474 0000 hex
Error Log
Data Error
An error occurred in
the error log data.
•
There is a source of noise
nearby.
•
Non-volatile memory failure
√
1480 0000 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.
√
34A4 0000 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.
√
0475 0000 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.
√
0476 0000 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.
√
54A8 0000 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.
√
54A9 0000 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.
√
Содержание CJ1W-SCU22
Страница 192: ...4 Using Protocol Macros 4 56 CJ series Serial Communications Units Operation Manual for NJ series CPU Unit W494...
Страница 250: ...6 No protocol Mode 6 22 CJ series Serial Communications Units Operation Manual for NJ series CPU Unit W494...
Страница 460: ...A Standard System Protocol R 126 CJ series Serial Communications Units Operation Manual for NJ series CPU Unit W494...
Страница 473: ...Index 1 CJ series Serial Communications Units Operation Manual for NJ series CPU Unit W494 I Index...