Delta VFD4A8ME21ANSAA User Manual

Chapter 12 Description of Parameter SettingsME300
12.1-01-4
(3) High starting torque
Start-up Frequency
Default: 0.50
Settings 0.00–599.00 Hz
 When the starting frequency is higher than the minimum output frequency, the drive’s output is
from the starting frequency to the setting frequency. Refer to the following diagram for details.
Fcmd = frequency command;
Fstart = start frequency (Pr.01-09);
fstart = actual start frequency of drive;
Fmin = 4th output frequency setting (Pr.01-07 / Pr.01-41);
Flow = output frequency lower limit (Pr.01-11)
Fcmd>Fmin
Fstart>Fmin
NO
YES
YES
fstart=Fstart
NO
fstart=Fmin
Flow=0
Flow=0
YES
H=Fcmd
YES
H=Fcmd
NO
Fcmd>Flow
YES
Fcmd>Fmin
YES
H=Fcmd
NO
NO
Fcmd<Fmin
NO
H=Flow
YES
NO
Fcmd
Fmin
Fstart
Fcmd
Fmin
Fstart
Fcmd1>Flow &
Fcmd1>Fmin
Fmin
Flow
Fcmd2>Flow &
Fcmd2<Fmin
Flow>Fcmd1
>Fmin
Fmin
Flow
Fmin>Fcmd2
60Hz
60Hz
Hz
Time
Hz
Time
Time
Time
Hz
Hz
Fcmd1
Fcmd2
H=Flow
Fcmd1
Fcmd2
H=Fcmd1
by Pr.01-34
by
Pr.01-34
by
Pr.01-34
by Pr.01-34
by Pr.01-34
operation after
start-up

Delta VFD4A8ME21ANSAA Specifications

General

Brand	Delta
Model	VFD4A8ME21ANSAA
Category	DC Drives
Language	English