Delta CT2000 Series User Manual page 216

Start-Up Frequency
Settings
 When start frequency is higher than the min. output frequency, drives' output will be from start
frequency to the setting frequency. Please 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)
F cmd>Fmi n
Y ES
F star t>Fmin
Y ES
fstart=F star t
F low= 0
Y ES
H=Fc md
Hz
F cmd
F star t
F min
Output Frequency Upper Limit

Settings
Output Frequency Lower Limit

Settings
Chapter 12 Description of Parameter SettingsCT2000 Series
0.0~599.00Hz
NO
by Pr.01- 34
NO
fstart=F min
operation after
start-up
NO
F cmd>Fl ow
NO
by
F cmd>Fmi n
Pr.01- 34
Hz
60Hz
F cmd1
F min
F cmd2
F low
Time
0.0~599.00Hz
0.0~599.00Hz
12.1-01-4
Y ES
F low= 0 H=Fc md
Hz
F cmd
F min
F star t
NO
NO
Y ES F cmd<Fmi n
NO
H=Fl ow
Y ES
Hz
H=Fc md
H=Fc md1 F low
F cmd1>Flow &
F cmd1
F cmd1>Fmin
F min
F cmd2
Time
by Pr.01- 34
F cmd2>Flow &
F cmd2<Fmin
Factory Setting: 0.50
Time
by
Y ES
Pr.01- 34
60Hz
H=Fl ow
F low> Fcmd1
>F min
Time
by Pr.01- 34
F min>Fc md2
Factory Setting: 599.00
Factory Setting: 0.00