Omron NJ Series Troubleshooting Manual page 153

Event code Event name
85030000 hex Communica-
tions Syn-
chronization
Error
84C50000 hex NX Unit
Startup Error
35030000 hex NX Unit
Observation
350E 0000 hex NX Bus
Cycle Delay
Detected
80220000 hex NX Message
Communica-
tions Error
90400000 hex Event Log
Cleared
90420000 hex Restart Exe-
cuted
90430000 hex Memory All
Cleared
94600000 hex I/O Check
Execution
Started
NX-series Digital I/O Units
The section provides a table of the errors (events) that can occur in the following Units.
NX-ID@@@@
NX-OC@@@@
NX-OD@@@@
Event code Event name
00200000 hex Non-volatile
Memory
Hardware
Error
NJ-series Troubleshooting Manual (W503)
Meaning Assumed cause
The number of • Power to the host controller was
consecutive errors interrupted during process data
in receiving the communications.
synchronization
• The EtherCAT communications
data exceeded the
cable is disconnected or bro-
value that is
ken.
specified in the
Communications
Error Settings.
Starting an NX Unit • A startup error occurred in an
failed. NX Unit.
An observation was • An observation level error
detected in an NX occurred in a Unit where an
Unit. error was detected.
This event is recorded in the
event log in the Communica-
tions Coupler Unit.
Exceeding the NX • The NX bus cycle was
bus cycle was exceeded.
detected.
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.
The event log was • The event log was cleared by
cleared. the user.
A restart was exe- • A restart command was
cuted. received.
The Unit settings • The non-volatile memory in the
were cleared. EtherCAT Coupler Unit was
cleared.
I/O checking was • I/O checking was started.
started.
Meaning Assumed cause
An error occurred in • Non-volatile memory failure
non-volatile mem-
ory.
3 Error Tables
Level
Maj Prt Min Obs Info
S NX-series
EtherCAT
Coupler Unit
User's Manual
(W519)
S Same as
above.
S Same as
above.
S Same as
above.
S Same as
above.
S Same as
above.
S Same as
above.
S Same as
above.
S Same as
above.
Level
Maj Prt Min Obs Info
S NX-series Dig-
ital I/O Units
User's Manual
(W521)
Reference
3
Reference
3-91