E6581595
E-9
5
When vector control cannot be programmed
First read the precautions about vector control in section 5.11-6).
1) If the desired torque cannot be obtained
⇒
Refer to section 6.14 selection 2
2) If auto-tuning error "
" appears
⇒
Refer to section 6.14 selection 3
(Torque boost setting macro function) and
(V/F control mode
selection)
Automatic torque boost is the parameter for setting V/F control mode selection (
) and auto-tuning
(
) together. That is why all parameters related to change automatically when
is changed.
Automatically
programmed
parameters
Displays
after resetting
-
Check the programmed value of
. -
Automatic torque boost +
auto-tuning
Automatic torque boost
Auto-tuning
executed
(after execution: 0)
Vector c auto-tuning
Vector control
Auto-tuning
executed
(after execution: 0)
Energy auto-tuning
Energy saving
Auto-tuning
executed
(after execution: 0)
4) Increasing torque manually (V/F constant control)
This is the setting of constant torque characteristics that are suited for such things as conveyors. It can also be
used to manually increase starting torque.
If V/F constant control is programmed after changing
,
Set V/F control mode selection
=
(V/F constant).
Refer to section 5.11
Note 1: To further increase torque, increase the torque boost amount 1
.
How to set the torque boost amount 1
Refer to section 5.12
Note 2: V/F control selection
=
1
(variable torque) is an effective setting for load such as fans and
pumps.
Refer to section 5.11
