E6581595
E-17
5
5.11 Selecting control mode
: V/F control mode selection
Function
With VF-nC3, the V/F controls shown below can be selected.
V/F constant
Variable torque
Automatic torque boost control *1
Vector control *1
Energy saving *1
(*1) Parameter setting macro torque boost: parameter can automatically set this parameter and
auto-tuning at a time. (Refer to section 5.4)
[Parameter setting]
Title Function Adjustment range Default setting
V/F control mode selection
0: V/F constant
1: Variable torque
2: Automatic torque boost control
3: Vector control
4: Energy-saving
0
Note: (V/F control mode selection) is valid only for the first motor.
Changes to "V/F constant control" when switching to the second motor, regardless of the setting.
Steps in setting are as follows
(In this example, the V/F control mode selection parameter is set to (Vector control).
[Setting V/F control mode selection to 3 (sensorless vector control)]
Operation panel
action
LED display Operation
.
Displays the output frequency. (Perform during operation stopped.)
(When standard monitor display selection = [Output 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.
MODE
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