Hunting-Prevention Function - YASKAWA Varispeed E7 Instruction Manual And Parameter Description

Hunting-Prevention Function

The hunting-prevention function suppresses hunting when the motor is operating with a light load.
If high response has the priority to vibration suppression this function should be disabled (N1-01 = 0).
Related Constants
Con-
stant Name
Number
Hunting-prevention function
N1-01
selection
N1-02 Hunting-prevention gain
Adjusting the Hunting-Prevention Gain (N1-02)
Normally it is not necessary to change this setting. Adjust the value under the following circumstances:
If vibrations occur under light load condition increase the setting.
•
If the motor stalls reduce the setting.
•
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Description
0: Hunting-prevention function disabled
1: Hunting-prevention function enabled
Set the hunting-prevention gain multiplication factor.
Improved Operating Efficiency
Change
Setting Factory during Access
Range Setting Opera- Level
tion
0 or 1 1 No A
0.00 to
1.00 No A
2.50
29
6-