Omron CJ1W-SCU22, Руководство по эксплуатации

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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
√
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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.
√
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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.
√
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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.
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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.
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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.
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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.
√
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