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(Note 6) : If satisfactory performance can not be obtained, adjust the motor constants for the
particular symptoms observed according to following table:
Inverter
Symptom Observed
Status
Shock
At starting
starting
At
Instability of motor
deceleratio
rotation
n
Insufficient
During
during torque limit
torque limit
at low speed
At low
frequency
Irregular rotation
operation
occurs
at
Set "Motor constant J" higher gradually, up to
1.2 times the initially preset (default) value.
Set the speed response lower.
Set "Motor constant J" smaller than the
initially preset value.
torque
Set overload restriction level lower than the
torque limit level(s).
Set "Motor constant J" higher than the initial
preset (default) value.
Chapter 6
Adjustment Guidelines
22
OPERATION
Parameter(s)
to Adjust
H024/H034
H005
H024/H034
b022
b041-b044
H024/H034
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