Hunting-Prevention Function - YASKAWA CIMR-G7U 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
Prevention
Selection
n1-01
Hunt Prev
Select
Hunting
Prevention
Gain Setting
n1-02
Hunt Prev Gain
Description
If the motor vibrates while lightly
loaded, hunting
prevention may reduce the
vibration.
0: Disabled
1: Enabled
Sets the gain for the Hunting
Prevention Function.
If the motor vibrates while lightly
loaded and n1-01=1, increase the
gain by 0.1 until vibration ceases.
If the motor stalls while n1-01=1,
decrease the gain by 0.1 until the
stalling ceases.
Improved Operating Efficiency
Change
Setting Factory
during
Range Setting
V/f
Operation
0 or 1 1 No A
0.00
to 1.00 No A
2.50
Control Methods
Open Open
V/f
Loop Flux Loop
with
Vector Vector Vector
PG
1 2
A No No No
A No No No
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