YASKAWA G7 Series User Manual

Improved Operating Efficiency
6-37
 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
Parameter
Number
Name
Description
Setting
Range
Factory
Setting
Change
during
Operation
Control Methods
Display
V/f
V/f
with
PG
Open
Loop
Vector
1
Flux
Vector
Open
Loop
Vector
2
n1-01
Hunting
Prevention
Selection
If the motor vibrates while lightly
loaded, hunting
prevention may reduce the
vibration.
0: Disabled
1: Enabled
0 or 1 1 No A A No No No
Hunt Prev
Select
n1-02
Hunting
Prevention
Gain Setting
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.
0.00
to
2.50
1.00 No A A No No No
Hunt Prev Gain
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YASKAWA G7 Series Specifications

General

Series	G7
Frequency	50/60 Hz
Output Voltage	Matches Input Voltage
Control Method	V/f Control
Overload Capacity	150% for 60 seconds
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overheating, Short Circuit
Communication	RS-485, Modbus, DeviceNet, Profibus, Ethernet
Safety	Safe Torque Off (STO)
Operating Temperature	-10°C to 50°C
Humidity	5% to 95% (non-condensing)
Cooling Method	Fan Cooled
Enclosure Rating	IP20
Storage Temperature	-20°C to 65°C