Kinco FV20 Series User Manual

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5．The upper/lower limit of frequency are used to
limit the actual output frequency. If the preset
frequency is higher than upper limit of frequency,
then it will run in upper limit of frequency. If the
preset frequency is lower than the lower limit of
frequency, then it will run in lower limit of frequency.
If the preset frequency is lower than starting
frequency, then it will run in 0Hz.
A0.13 Torque boost of motor 1
0.0～30.0％【0.0％】
In order to compensate the torque drop at low
frequency, the drive can boost the voltage so as to
boost the torque.
This function code is corresponding to maximum
output voltage.
If A0.13 is set to 0, auto torque boost is enabled and
if A0.13 is set non-zero, manual torque boost is
enabled, as shown in Fig. 6-2.
Vb:Manual torque boost Vmax: Max. output voltage
Fz:Cut-off frequency for torque boost Fb:Basic operating frequency
Output
voltage
F
b
V
b
V
max
Output frequency
F
z
Fig.6-2 Torque boost
(shadow area is the boosted value)
Note：
1. Wrong parameter setting can cause overheat or
over-current protection of the motor.
2. Refer to b1.07 for definition of fz.
6.2 Group A1
A1.00 Starting mode
0、1、2【0】
0.Start from the starting frequency
Start at the preset starting frequency (A1.01) within
the holding time of starting frequency (A1.02).
1.Brake first and then start
Brake first(refer to A1.03 and A1.04), and then start
in mode 0.
2.Speed tracking
Notes：
Starting mode 1 is suitable for starting the motor
that is running forward or reverse with small inertia
load when the drive stops. For the motor with big
inertial load, it is not recommended to use starting
mode 1.
A1.01 Starting frequency
0.00～60.00Hz【0.00Hz】
A1.02 Holding time of
starting Frequency
0.00～10.00s【0.00s】
Starting frequency is the initial frequency when the
drive starts, as shown in Fig. 6-3 as F
S
; Holding
time of starting frequency is the time during which
the drive operates at the starting frequency, as
shown in Fig. 6-3 as t
1
Fig.6-3 Starting frequency and starting time
Note：
Starting frequency is not restricted by the lower limit
of frequency
A1.03 DC injection braking
current at start
0.0～100.0％
【0.0％】
A1.04 DC injection braking
time at start
0.00～30.00s
【0.00s】
A1.03 and A1.04 are only active when A1.00 is set
to 1 (starting mode 1 is selected), as shown in Fig.
6-4. DC injection braking current at start is a
percentage value of drive’s rated current. There is
no DC injection braking when the braking time is
0.0s.
Time( t
)
F
s
ma
x
F
Frequency(H
z)
1
t

Kinco FV20 Series Specifications

General

Brand	Kinco
Model	FV20 Series
Category	Inverter Drive
Language	English