Hunting-Prevention Function - YASKAWA G7 Series Technical Manual

Hunting-prevention Function

The hunting-prevention function suppresses hunting when the motor is operating with a light load. This func-
tion can be used in V/f without PG and V/f with PG.
Related Parameters
Name
Parameter
Number
Display
Hunting If the motor vibrates while lightly
Prevention loaded, hunting
Selection prevention may reduce the
n1-01
vibration.
Hunt Prev
0: Disabled
Select
1: Enabled
Hunting Sets the gain for the Hunting
Prevention Prevention Function.
Gain Setting If the motor vibrates while lightly
loaded and n1-01=1, increase the
n1-02
gain by 0.1 until vibration ceases.
If the motor stalls while n1-01=1,
Hunt Prev Gain
decrease the gain by 0.1 until the
stalling ceases.
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Setting
Description
Range
0 or 1
0.00
to
2.50
Improved Operating Efficiency
Control Methods
Change
Open
Factory
V/f
during
Loop
Setting
V/f with
Operation
Vector
PG
1 No A A
1.00 No A A
Open
Flux Loop
Vector Vector
1 2
No No No
No No No
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