Honeywell
Parameter Descriptions 47
9
Figure 9.1: Linear and squared change of motor voltage
2 = Programmable U/f curve:
The U/f curve can be programmed with three different points. Program-
mable U/f curve can be used if the other settings do not satisfy the
needs of the application.
Figure 9.2: Programmable U/f curve
1.10
F
IELD
WEAKENING
POINT
The field weakening point is the output frequency at which the output voltage
reaches the value set with par. 1.11.
Un
par.1.11
U[V]
f[Hz]
par.1.10
par. 1.14
Default: Nominal
voltage of the motor
Linear
Squared
Field weakening
point
Default: Nominal
frequency of the
motor
Un
Par 1.11
Par. 1.10
U[V]
f[Hz]
Par. 1.13
(Def. 50%)
Par. 1.14
(Def. 0.0%)
Default: Nominal
voltage of the motor
Field weakening
point
Default: Nominal
frequency of the
motor
Par. 1.12
(Def. 10%)