Hunting-Prevention Function - Omron VARISPEED F7 User 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 the V/f control modes only.
If high response has the priority to vibration suppression this function should be disabled (n1-01 = 0).
Related Parameters
Parameter
No.
n1-01
n1-02
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.
•
6
44
6-
Name
Hunting-prevention function selection
Hunting-prevention gain
Control Methods
Change
Factory during
V/f with
Setting Opera-
V/f
PG
tion
1 No A A
1.00 No A A
Open Closed
Loop Loop
Vector Vector
No No
No No