Omron NJ Series Troubleshooting Manual page 106

3 Error Tables
Event code Event name
64560000 hex Illegal Follow-
ing Error
64570000 hex Servo OFF
Error
64580000 hex Absolute
Encoder Cur-
rent Position
Calculation
Failed
64590000 hex Home Unde-
fined during
Coordinated
Motion
74210000 hex Servo Main
Circuit Power
OFF
74230000 hex Interrupt
Feeding
Interrupt Sig-
nal Missing
74240000 hex Homing
Opposite
Direction
Limit Input
Detected
3-44
Meaning Assumed cause
The difference • The command current position
between the com- was restricted so that the axis
mand position and velocity of the slave axis would
the actual current not exceed the axis maximum
position exceeds velocity for the specified travel
the range of 30-bit distance.
data when con-
• Performance of slave axis posi-
verted to pulses.
tioning operation is poor and
the actual motion is slower than
the command.
The Servo was • The Servo was turned OFF for
turned OFF for an an axis due to an axes group
axis due to an axes error.
group error.
It was not possible • The ring counter setting in the
to correctly restore Controller or the ring counter
the current position setting in the Servo Drive set-
from the absolute tings was changed.
encoder information
• The position to restore when
that was saved
converted to pulses exceeded
when power was
the range of signed 40-bit data.
interrupted.
Home of the logical • The command position or
axis became unde- actual position overflowed or
fined during axes underflowed for a logical axis in
group motion or an axes group motion or a logi-
while decelerating cal axis that was decelerating to
to a stop. a stop and the home definition
was lost.
• A slave communications error
occurred for a logical axis and
home became undefined during
axes group motion or while
decelerating to a stop.
• A slave for a logical axis left the
network or was disabled and
home became undefined during
axes group motion or while
decelerating to a stop.
The main circuit • The main circuit power of the
power of the Servo Servo Drive was interrupted
Drive turned OFF while the Servo was ON.
while the Servo was
ON.
An interrupt input • The latch enabled range speci-
was not received fication is invalid.
during execution of
• There is a problem with the wir-
an MC_MoveFeed
ing of the interrupt signal.
(Interrupt Feeding)
• The sensor that outputs the
instruction.
interrupt signal has failed.
The limit signal in • The Operation Selection at
the direction oppo- Negative Limit Input or Opera-
site to the homing tion Selection at Positive Limit
direction was Input parameter is set to No
detected during a reverse turn.
homing operation.
• The location of the homing
input signal sensors, homing
settings, and homing start posi-
tion cause a limit input to be
reached.
• The input signal sensor wiring
is incorrect or the sensor is
faulty.
Level
Maj Prt Min Obs Info
S NJ-series
CPU Unit
Motion Con-
trol User's
Manual (Cat.
No. W507)
S Same as
above.
S Same as
above.
S Same as
above.
S Same as
above.
S Same as
above.
S Same as
above.
NJ-series Troubleshooting Manual (W503)
Reference