Mode Description - Toshiba TOSVERT VF-A7 Manual

4.1. Mode description

In case of using the light-load high-speed operation function, the light-load high-speed operation mode shall be
determined at first.
There are five kinds of modes, to be selected with F330 (light-load high-speed operation selection).
Select the desired mode according to the following flowchart:
Start
Do you use
the light-load high-
speed operation
function?
Yes
Enable continuous
light-load high-speed
operation or turn ON/OFF
light-load high-speed
operation permission with
input terminal.
Use the enabling signal.
F330=4, 5, 9 or 10
Automate high-speed
operation after light-load
detection or use the
preset speed.
Use the preset speed.
F330 setting and function
Operation mode
User interface
Continuous automatic mode
Continuous preset-speed mode
Enabled-terminal
automatic mode
Enabled-terminal
preset-speed mode
0:Disabled light-load high-speed operation
No
Continuous light-load high-speed operation permission
F330=1〜3, 6〜8
Automate high-speed
operation after light-load
detection or use the
preset speed.
Which method
of preset-speed contact
input do you use for
light-load high-speed
operation?
Automatic
4
Detection
torque current
1
2
3
effective
4
effective
5
Automatic
Use the preset speed.
Combined with other
conditions
Shall be processed within
inverter.
E6581172①
with Detection with
torque
6
7
8
9
10
F330=0
Normal operation
No light-load high-speed
operation
F330=2 or 7
Continuous automatic
mode
Refer to section 4.1.2.
F330=1 or 6
User interface
Refer to section 4.1.1.
F330=3 or 8
Continuous preset-speed
mode
Refer to section 4.1.3.
F330=4 or 9
Enabled-terminal effective
automatic mode
Refer to section 4.1.2.
F330=5 or 10
Enabled-terminal effective
preset-speed mode
Refer to section 4.1.3.