Omron NX701-17 Series Troubleshooting Manual page 307

CJ-series Serial Communications Units
The section provides tables of the errors (events) that can occur in the following Units.
CJ1W-SCU22
CJ1W-SCU32
CJ1W-SCU42
The manual names are given below for the catalog numbers given in the Reference column of the
event table.
Cat. No.
W494
Event code Event name
04740000 hex Error Log
Data Error
14800000 hex Protocol Data
Error
34A40000 hex System
Setup Error
04750000 hex DTR Check
Error
04760000 hex CTS Check
Error
54A80000 hex Command
Error
54A90000 hex Sequence
Abort Com-
pleted
NJ/NX-series Troubleshooting Manual (W503)
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit
Meaning Assumed cause
An error occurred in • There is a source of noise
the error log data. nearby.
• Non-volatile memory failure
A protocol data • The communications connec-
checksum error has tor with the CX-Protocol was
occurred. 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.
There is an error in • There is an error in the system
the system settings settings for the Serial Commu-
for the Serial Com- nications Unit.
munications Unit.
An error was found • Loopback test jig failure.
during the DTR
• Noise
check.
• The communications circuits in
the Serial Communications Unit
are faulty.
An error was found • Loopback test jig failure.
during the CTS
• Noise
check.
• The communications circuits in
the Serial Communications Unit
are faulty.
A command error • The constant in the expected
occurred. receive message that is set in
the protocol macro is different
from the constant in the mes-
sage that was received.
The sequence was • The protocol macro data is not
ended by an Abort set correctly.
setting for the next The baud rate, frame format, or
processing or error other system setting does not
processing. agree with the remote node.
Manual name
Level
Maj Prt Min Obs Info
S
S
S
S
S
S
S
3 Error Tables
Reference
3
W494
W494
W494
W494
W494
W494
W494
3-229