3 Error Tables
3-50
NJ-series Troubleshooting Manual (W503)
742B0000 hex Invalid Home
Input Mask
Distance
The setting of the
home input mask
distance is not suit-
able for the
MC_Home or
MC_HomeWithPar
ameter instruction.
• The set value of the home input
mask distance when the oper-
ating mode of the MC_Home
instruction is set to Proximity
Reverse Turn/Home Input Mask
Distance is insufficient to decel-
erate from the homing velocity
to the homing approach veloc-
ity.
S NJ-series
CPU Unit
Motion Con-
trol User’s
Manual (Cat.
No. W507)
742C0000 hex No Home
Input
There was no home
signal input during
the homing opera-
tion. Or, a limit sig-
nal was detected
before there was a
home input.
• There was no home signal input
during the homing operation.
• A limit signal was detected
before there was a home input.
S Same as
above.
742D0000 hex No Home
Proximity
Input
There was no home
proximity signal
input during the
homing operation.
• There was no home proximity
signal input during the homing
operation when a home proxim-
ity input signal was specified.
S Same as
above.
742F0000 hex Slave Error
Detected
An error was
detected for the
EtherCAT slave or
NX Unit that is allo-
cated to an axis.
• An error was detected for the
EtherCAT slave or NX Unit that
is allocated to an axis.
S Same as
above.
74300000 hex Axes Group
Composition
Axis Error
An error occurred
for an axis in an
axes group.
• An error occurred for an axis in
an axes group that was in
motion.
S Same as
above.
74330000 hex MC Com-
mon Error
Occurrence
An MC common
error occurred.
• Partial fault level MC common
error occurred.
S Same as
above.
74340000 hex Latch Posi-
tion Overflow
An overflow
occurred for the
latched position for
the
MC_TouchProbe
(Enable External
Latch) instruction.
• An overflow occurred for the
latched position for the
MC_TouchProbe (Enable Exter-
nal Latch) instruction.
S Same as
above.
74350000 hex Latch Posi-
tion Under-
flow
An underflow
occurred f
or the
latched position fo
r
the
MC_TouchProbe
(Enable External
Latch) instruction.
• An underflow occurred for the
latched position for the
MC_TouchProbe (Enable Exter-
nal Latch) instruction.
S Same as
above.
74360000 hex Master Sync
Direction
Error
The master axis
continued to move
in the direction
opposite to the sync
direction.
• The master axis continued to
move in the direction opposite
to the sync direction of the mas-
ter and slave axes, resulting in
an overflow.
S Same as
above.
74370000 hex Slave Dis-
connection
during Servo
ON
An EtherCAT slave
or NX Unit that is
allocated to an axis
was disconnected,
replaced, or dis-
abled while the
Servo was ON.
• An EtherCAT slave or NX Unit
that is allocated to an axis was
disconnected, replaced, or dis-
abled while the Servo was ON.
S Same as
above.
Event code Event name Meaning Assumed cause
Level
Reference
Maj Prt Min Obs Info
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