E6582233
E-18
5
[Setting V/F control mode selection to 3 (sensorless vector control)]
Operation panel
action
LED display
Operation
.
Displays the operation frequency. (Perform during operation stopped.)
(When standard monitor display selection
is set to
[Operation frequency])
The first basic parameter “
” (history function) is displayed.
Rotate the setting dial to the right, and change the parameter to
(control selection).
Parameter values can be read by pressing the center of the setting
dial (the default setting is
:V/F constant).
Rotate the setting dial to the right, and change the parameter to
(vector control).
Press the center of the setting dial to save the changed parameter.
and parameter set value “
” are displayed alternately.
Caution:
When the V/F control mode selection
is set to
: Automatic torque boost control,
: Vector control,
or
: Energy-saving, be sure to set the following parameters according to the motor's name plate.
: Base frequency 1 (rated frequency)
: Base frequency voltage 1 (rated voltage)
: Motor rated capacity
: Motor rated current
: Motor rated speed
Set the other motor constants as necessary
1) Constant torque characteristics
Setting of V/F control mode selection
to
(V/F constant)
This is applied to loads with equipment like conveyors and cranes that require the same torque at low
speeds as at rated speeds.
O
u
tput
v
o
lt
age
(%)
Base frequency voltage
Output frequency (Hz)
Base frequency
0
* To increase the torque further, increase the setting value of the manual torque boost
.
Refer to section 5.12 for details.
MODE