Omron NJ Series Troubleshooting Manual page 163

Event code Event name
80200000 hex NX Unit I/O
Communica-
tions Error
80210000 hex NX Unit Out-
put Synchro-
nization Error
80240000 hex NX Unit
Clock Not
Synchro-
nized Error
80220000 hex NX Message
Communica-
tions Error
84D00000 hex SSI Commu-
nications
Error
90400000 hex Event Log
Cleared
NJ-series Troubleshooting Manual (W503)
Meaning Assumed cause
A communications • The NX Unit is not mounted
error occurred properly.
between the Com-
• The power cable for the Unit
munications Cou-
power supply is disconnected.
pler Unit and the
Or, the wiring from the Unit
NX Unit.
power supply to the NX Units is
incorrect.
• The power cable for the Unit
power supply is broken.
• The voltage of the Unit power
supply is outside the specified
range. Or, the capacity of the
Unit power supply is insuffi-
cient.
• There is a hardware error in the
NX Unit.
An output synchro- • The NX Unit is not mounted
nization error properly.
occurred in the NX
• The Slave Terminal Configura-
Unit.
tion Information when the
EtherCAT Coupler Unit syn-
chronization settings were
downloaded did not agree with
the actual configuration of the
Slave Terminal.
• There is an NX Unit that cannot
be synchronized to the
specified output
synchronization timing. (This
will not cause an error when the
synchronization setting is made
from the Sysmac Studio.)
An error occurred in • There is a hardware error in the
the clock NX Unit.
information
• There is a hardware error in the
between the
EtherCAT Coupler Unit.
EtherCAT Coupler
Unit and the NX
Unit.
An error was • The message communications
detected in mes- load is high.
sage communica-
• The communications cable is
tions and the
disconnected or broken.
message frame
This cause does not apply if
was discarded.
attached information 2 is 0 (NX
bus).
• Message communications were
cut off as the result of executing
a synchronization or restora-
tion operation on the Sysmac
Studio or as the result of dis-
connecting an EtherCAT slave.
An error occurred in • The SSI data settings do not
SSI communica- agree with the SSI communica-
tions. tions settings in the connected
device.
• The wiring between the NX Unit
and the connected device is not
correct or disconnected.
• Noise
The event log was • The event log was cleared by
cleared. the user.
3 Error Tables
Level
Maj Prt Min Obs Info
S NX-series
Position Inter-
face Units
User's Manual
(W524)
S Same as
above.
S Same as
above.
S Same as
above.
U S Same as
above.
S Same as
above.
Reference
3
3-101