6-4
n012
Maximum Voltage (VMAX) Register 010C Hex Changes during
operation
No
Setting
range
0.1 to 255.0 (0.1 to 510.0) (V) Unit of
setting
0.1 V Default setting 200.0
(400.0)
n013
Maximum Voltage Frequency (FA) Register 010D Hex Changes during
operation
No
Setting
range
0.2 to 400.0 (Hz) Unit of
setting
0.1 Hz Default setting 60.0
n014
Middle Output Frequency (FB) Register 010E Hex Changes during
operation
No
Setting
range
0.1 to 399.9 (Hz) Unit of
setting
0.1 Hz Default setting 1.5
n015
Middle Output Frequency Voltage
(VC)
Register 010F Hex Changes during
operation
No
Setting
range
0.1 to 255.0 (0.1 to 510.0) (V) Unit of
setting
0.1 V Default setting 11.0
(22.0)
n016
Minimum Output Frequency
(FMIN)
Register 0110 Hex Changes during
operation
No
Setting
range
0.1 to 10.0 (Hz) Unit of
setting
0.1 Hz Default setting 1.5
n017
Minimum Output Frequency
Voltage (VMIN)
Register 0111 Hex Changes during
operation
No
Setting
range
0.1 to 50.0 (0.1 to 100.0) (V) Unit of
setting
0.1 V Default setting 4.3 (8.6)
Note Figures in brackets are for 400-V Inverter models.
Output voltage (V)
Note 1. Set the parameters so that the fol-
lowing condition will be satisfied.
n016 x n014 < n013 x n011
Note 2. The value set in n015 will be
ignored if parameters n016 and
n014 are the same in value.
Frequency (Hz)
• The vertical-axis load or the load with high viscous friction may require high torque at low speed. If the
torque is insufficient at low speed, increase the voltage in the low-speed range by 1 V, provided that no
overload (OL1 or OL2) is detected. If an overload is detected, decrease the set values or consider the
use of an Inverter model or motor with a higher capacity.
• The required torque of fan or pump control increases in proportion to the square of the speed. By set-
ting a quadratic V/f pattern to increase the voltage in the low-speed range, the power consumption of
the system will increase.
Advanced Operation Chapter 6
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