3-25
3 Error Tables
NJ-series Troubleshooting Manual (W503)
3-1 Errors by Source
3
3-1-2 Errors in the PLC Function Module
54012400 hex
(Ver. 1.02)
No Execution Right An instruction to change
the settings of an Ether-
Net/IP port was executed
when execution was not
possible.
• An instruction to
change the settings of
the built-in EtherNet/IP
port or a CJ-series
EtherNet/IP Unit was
executed when restart
processing was in
progress for the built-
in EtherNet/IP port.
• An instruction to
change the settings of
a CJ-series Ether-
Net/IP Unit was exe-
cuted when restart
processing was in
progress for the Unit.
• An instruction to
change the settings of
the built-in EtherNet/IP
port or a CJ-series
EtherNet/IP Unit was
executed when chang-
ing settings was in
progress for an
instruction or CIP
message for the built-
in EtherNet/IP port.
• An instruction to
change the settings of
a CJ-series Ether-
Net/IP Unit was exe-
cuted when changing
settings was in prog-
ress for an instruction
or CIP message for
the Unit.
• The unit number that
was specified for the
instruction is not for a
built-in EtherNet/IP
port or a CJ-series
EtherNet/IP Unit.
S NJ-series
Instruc-
tions Ref-
erence
Manual
(Cat. No.
W502)
54012401 hex
(Ver. 1.02)
Settings Update
Failed
It was not possible to
update the settings of the
CJ-series EtherNet/IP Unit
that were changed.
• Restart processing for
a Unit or built-in Ether-
Net/IP port was
started during execu-
tion of an instruction to
change the settings of
a CJ-series Ether-
Net/IP Unit.
S Same as
above.
54012402 hex
(Ver. 1.02)
Too Many Simulta-
neous Instruction
Executions
Too many instructions to
change the communica-
tions setup of the Controller
were executed at the same
time.
• Two or more instruc-
tions to change the
communications setup
of the Controller were
executed at the same
time.
S Same as
above.
54012C00 hex
(Ver. 1.05)
NX Message Error An error response code
was returned for an NX
message.
• Depends on the
nature of the error.
S Same as
above.
54012C01 hex
(Ver. 1.05)
NX Message
Resource Overflow
The maximum resources
that you can use for NX
message instructions at the
same time was exceeded.
• More than 32 NX mes-
sage instructions were
e
xecuted at the same
time
.
S Same as
above.
Event code Event name Meaning Assumed cause
Level
Refer-
ence
Maj Prt Min Obs Info