3-17
3 Error Tables
NJ-series Troubleshooting Manual (W503)
3-1 Errors by Source
3
3-1-2 Errors in the PLC Function Module
54010413 hex Undefined CJ-
series Memory
Address
The required specification
is missing for a variable for
which CJ-series Unit mem-
ory must be specified.
• The required AT speci-
fication is missing for a
variable for which CJ-
series Unit memory
must be specified.
S NJ-series
Instruc-
tions Ref-
erence
Manual
(Cat. No.
W502)
54010414 hex Stack Underflow There is no data in a stack. • An attempt was made
to read data from a
stack that contains no
data.
S Same as
above.
54010416 hex Illegal Number of
Array Elements or
Dimensions
The valid range was
exceeded for the number of
array elements or dimen-
sions in an array I/O param-
eter for an instruction.
• The valid range was
exceeded for the num-
ber of array elements
or dimensions in an
array I/O parameter for
an instruction.
S Same as
above.
54010417 hex Specified Task
Does Not Exist
The task specified for the
instruction does not exist.
• The specified task
does not exist.
S Same as
above.
54010418 hex Unallowed Task
Specification
An unallowed task was
specified for an instruction.
• The local task, the pri-
mary periodic task, or
a periodic task was
specified.
S Same as
above.
54010419 hex Incorrect Data
Type
A data type that cannot be
used for an instruction is
specified for an input or in-
out variable.
• A data type that can-
not be used for an
instruction is specified
for an input or in-out
variable.
S Same as
above.
5401041A hex Multi-execution of
Instructions
Multi-execution was speci-
fied for an instruction that
does not support it.
• Execution of an
instruction that does
not support multi-exe-
cution of instructions
was specified more
than once.
S Same as
above.
5401041B hex
(Ver. 1.02)
Data Capacity
Exceeded
Processing was not possi-
ble because the data that
was passed to the instruc-
tion was too large.
• Data that exceeded
the size that can be
processed was
passed to an instruc-
tion.
S Same as
above.
5401041C hex
(Ver. 1.04)
Different Data
Sizes
The size of the data speci-
fied for instruction input or
in-out data is different from
the size of the target
parameter.
• Data of a siz
e that is
different from the size
of the target parame-
ter was specified for
the input or in-out data
of an instruction.
S Same as
above.
54010800 hex FINS Error An error occurred when a
FINS command was sent
or received.
• An error occurred
when a FINS com-
mand was sent or
received.
S Same as
above.
54010801 hex FINS Port Already
in Use
The FINS port is being
used.
• The FINS port is being
used.
S Same as
above.
54010C00 hex Illegal Serial Com-
munications Mode
The Serial Communica-
tions Unit is not in the serial
communications mode
required to execute an
instruction.
• The serial communi-
cations port for the
Serial Communica-
tions Unit is not set to
the mode expected by
the instruction.
S Same as
above.
54010C02 hex Port Setup Already
Busy
A Change Port Setup
instruction was executed
during execution of another
Change Port Setup instruc-
tion.
• A Change Port Setup
instruction was exe-
cuted during execution
of another Change
Port Setup instruction.
S Same as
above.
Event code Event name Meaning Assumed cause
Level
Refer-
ence
Maj Prt Min Obs Info
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