Omron NX701-17 Series Troubleshooting Manual page 144

3 Error Tables
Event code Event name
644A0000 hex Positive Limit
Input
Detected
644B0000 hex Negative
Limit Input
Detected
64560000 hex Illegal Fol-
lowing 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
3-66
Meaning Assumed cause
The positive limit • A positive limit input signal was
input turned ON. detected.
• The positive limit input signal is
not connected correctly or the
logic setting for the positive limit
input is wrong.
The negative limit • A negative limit input signal was
input turned ON. detected.
• The negative limit input signal is
not connected correctly or the
logic setting for the negative
limit input is wrong.
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 unit conversion settings,
to correctly restore the ring counter setting in the
the current position Controller, or the ring counter
from the absolute setting in the Servo Drive set-
encoder information tings was changed.
that was saved
• The position to restore when
when power was
converted to pulses exceeded
interrupted.
the range of signed 40-bit data.
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 a stop. to a stop and the home defini-
tion 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.
Level
Maj Prt Min Obs Info
S
S
S
S
S
S
S
S
NJ/NX-series Troubleshooting Manual (W503)
Reference
W507
W507
W507
W507
W507
W507
W507
W507