~DESCRIPTIONS OF FUNCTION CODE SETTINGS~
- 47 -
(8) Settings for motor protection
A.
F_046
: Selection of overload protection
Prevent motor running in the overload condition for a long time.
0 : No overload protection for motor
1 : Overload protection for motor
2 : Overload protection for motor with independence heat fan.
B.
F_047
: Reserved
C.
F_048
: Rated current of motor (range 10~150% of inverter rated
current)
D.
F_049
: No load current of motor (range 0~motor rated current)
E.
F_050
: Slip compensation with range -9.9 ~ 10.0 Hz
The slip of motor is changed due to the change of load. For the
constant speed, the slip compensation is needed and calculated as
following
F.
F_051
: No. poles of motor
Setting of poles of motor for conversion of RPM.
loaded current - no_load current(F_049)
rated current(F_048) - no_load current(F_049)
x
slip compensation(F_050)
Compensation frequency =
Motor speed (RPM) =
120
F_051 no. poles of motor
×
output frequency
