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Delta Electronics AC Motor Drive VFD-VE Series User Manual

Page 103

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Chapter 4 Parameters|

4-54

Revision August 2008, 03VE, SW V2.04

F cmd>Fmi n

F star t>Fmin

NO

YES

YES

fstart=F star t

NO

fstart=F min

F low= 0

F low= 0

YES

H=Fc md

YES

H=Fc md

NO

F cmd>Fl ow

YES

F cmd>Fmi n

YES

H=Fc md

NO

NO

F cmd

NO

H=Fl ow

YES

NO

F cmd

F min

F star t

F cmd

F min

F star t

F cmd1>Flow &
F cmd1>Fmin

F min

F low

F cmd2>Flow &
F cmd2

F low> Fcmd1
>F min

F min

F low

F min>Fc md2

60Hz

60Hz

Hz

Time

Hz

Time

Time

Time

Hz

Hz

F cmd1

F cmd2

H=Fl ow

F cmd1

F cmd2

H=Fc md1

by Pr.01- 34

by
Pr.01- 34

by
Pr.01- 34

by Pr.01- 34

by Pr.01- 34

operation after
start-up

01-10

Output Frequency Upper Limit

Unit: 0.01

Control

mode

VF VFPG SVC

FOCPG

Factory Setting: 600.00

Settings

0.00~600.00Hz

01-11

Output Frequency Lower Limit

Unit: 0.01

Control

mode

VF VFPG SVC

FOCPG

Factory Setting: 0.00

Settings

0.00~600.00Hz

The upper/lower output frequency setting is used to limit the actual output frequency. If the

frequency setting is higher than the upper limit, it will run with the upper limit frequency. If

output frequency lower than output frequency lower limit and frequency setting is higher than