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11-32
11-4 Troubleshooting
OMNUC G5-Series AC Servo Drives Users Manual (Built-in MECHATROLINK-II communications type)
11
Error and Maintenance
The Servomotor or the
load generates abnormal
noise or vibration.
Vibration occurs due to
improper mechanical
installation.
Check whether the
Servomotor's mounting
screws are loose.
Retighten the mounting
screws.
Check the load for
eccentricity.
Eliminate the
eccentricity, which
results in torque
fluctuation and noise.
Check that the coupling with
the load is not unbalanced.
Balance the rotation.
Check that the decelerator
does not generate any
abnormal noise.
Check the decelerator
specification. Investigate
the decelerator for
breakage.
Vibration occurs due to low
mechanical rigidity.
Check that the vibration
frequency is not 100 Hz or
lower.
If the frequency is 100 Hz
or lower, set the correct
damping frequency on
the damping filter to
eliminate the vibration.
Vibration occurs due to
machine resonance.
Check if the resonance
frequency is high or low.
If the frequency is high,
set the adaptive filter in a
manner that stops the
resonance. Alternatively,
measure the resonance
frequency and set the
Notch Filter 1 and 2.
There is a problem with the
bearings.
Check for noise or vibration
around the bearings.
Contact your OMRON
dealer or sales office.
The gain is wrong.
Check if the manual
tuning can make a proper
adjustment.
The Speed Feedback Filter
Time Constant 1 (Pn103) is
wrong.
Check the value set on the
Pn103.
Normally set 0 to Pn103.
Return the setting to the
initial 0.
Alternatively, set a large
value and operate the
motor.
The Torque Command Filter
Time Constant 1 (Pn104)
does not match the load.
Review the setting on the
Pn104.
Set a larger value on the
Pn104 and eliminate the
vibration.
The Position Loop Gain 1
(Pn100) is too large.
Review the setting on the
Pn100.
By the CX-Drive or the
analog monitor, measure
the response and adjust
the gain.
The Speed Loop Gain 1
(Pn101) and the Speed Loop
Integration Time Constant 1
(Pn102) are balanced
incorrectly.
Review the settings on the
Pn101 and Pn102.
Noise is applied to the
control I/O signal cable
because the cable does not
meet specifications.
Check that it is a twisted-pair
wire or twisted-pair shielded
cable with core wires that are
at least 0.08 mm
2
.
Use control I/O signal
cable that meets
specifications.
Symptom
Probable cause
Items to check
Measures
Содержание OMNUC G5 R88D-KN series
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