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IAI PCON-CB series User Manual

IAI PCON-CB series
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6. Parameter
6.2 Servo Adjustment
6-59 ME0342-4B
No. Problems Adjustment method
4
Abnormal noise
In particular, high-pitched
noise occurs when stopping
or at low speed (50mm/s or
less).
Enter Parameter No. 33 "Torque Filter Constant". As a
setting guideline, try to increase by 50 respectively. If it
is too large, stability of the control system may be
impaired and vibration may occur.
[Important] Before adjustment
This phenomenon is likely to occur when the rigidity of
the mechanical system is not maintained. Even with the
actuator alone, resonance may occur in the belt drive or
if the stroke exceeds 600mm.
Before adjustment, make sure that:
1) Parameter No. 7 "Servo Gain Number", Parameter No.
31 "Velocity Loop Proportional Gain" and Parameter No.
32 "Velocity Loop Integral Gain" are not set too high.
2) Rigidity of the load is maintained as much as possible.
Mounting is not loose and there is no play, etc.
3) The actuator body has been installed firmly with the
prescribed torque.
4) There is no distortion on the mounting surface of the
actuator.
5 Trajectory accuracy
needs to be higher
Constant speed needs to
be higher
Response needs to be
better
Refer to adjustment methods No. 1 to 3 described above
and adjust Parameter No. 7 "Servo Gain Number" and
Parameter No. 31 "Velocity Loop Proportional Gain" to
optimize the conditions.
[Reference]
Selection of the actuator (motor) is the most important
factor.
The servo motor is very sensitive to the magnitude of
load inertia. If the moment of inertia on the load side
(load inertia) is too large with respect to the moment of
inertia of the motor itself (motor inertia), the servo motor
will cause the motor to be wagged by the load, as it
were, resulting in unstable control.
Therefore, in order to improve trajectory, position, speed,
response, etc., it is necessary to reduce the load inertia
ratio.
For applications such as coating, if trajectory accuracy,
constant velocity, response, etc. are called for, it is
recommended to make the actuator ball screw lead as
small as possible and to select an actuator with a higher
motor capacity.

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IAI PCON-CB series Specifications

General IconGeneral
BrandIAI
ModelPCON-CB series
CategoryController
LanguageEnglish

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