E6581697
E-23
5
8) Setting of V/f characteristic arbitrarily
Setting of V/f control mode selection pt to 7 (V/f 5-point setting)
In this mode, the base frequency and the base frequency voltage for the V/f control need to be set to operate
the motor while switching a maximum of 5 different V/f characteristics.
[Parameter setting]
Title Function Adjustment range Default setting
V/f 5-point setting VF1 frequency ~ Hz
V/f 5-point setting VF1 voltage ~ % *
V/f 5-point setting VF2 frequency ~ Hz
V/f 5-point setting VF2 voltage ~ % *
V/f 5-point setting VF3 frequency ~ Hz
V/f 5-point setting VF3 voltage ~ % *
V/f 5-point setting VF4 frequency ~ Hz
V/f 5-point setting VF4 voltage ~ % *
V/f 5-point setting VF5 frequency ~ Hz
V/f 5-point setting VF5 voltage ~ % *
* 100% adjustment value (200V class: 200V, 400V class: 400V)
Base frequency
voltage 1
Output voltage
[V]/[%]
Output frequency [Hz]
Base frequency 1
0
VF1
VF2
VF3
VF4
VF5
V/f 5-point setting
Note 1: Restrict the value of torque to boost (vb) to 3% or so. Boosting the torque too much may impair the
linearity between points.
Note 2: If the V/f 5-point is set within the diagonally shaded area in the figure below, the V/f 5-point is placed
automatically on the boundary line (heavy line in the figure).
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