Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1) 
 
 
 
 
 
• 
The free V/f function is disabled by default. Even if you set 02 (Free V/f setting) in the 1st/2nd Control 
Method (A044/A244), the inverter cannot operate with the free V/f function. 
• 
If the free V/f function is enabled, the torque boost function (A041/A241, A042/A242, A043/A243), Base 
Frequency (A003/A203), and Maximum Frequency (A004/A204) settings are disabled. The Free V/f 
Frequency 7 data is regarded as the maximum frequency. 
• 
Based on limits, a warning will be triggered. 
 
 
Free V/f Frequency 1 (f1) 
0.: Disabled 
1. to Free V/f Frequency 2 
 
 
 
 
 
 
 
 
 
 
Set the frequency at 
each break point. 
 
Free V/f Frequency 2 (f2) 
0.: Disabled 
Free V/f Frequency 1 to Free V/f 
Frequency 3 
 
Free V/f Frequency 3 (f3) 
0.: Disabled 
Free V/f Frequency 2 to Free V/f 
Frequency 4 
 
Free V/f Frequency 4 (f4) 
0.: Disabled 
Free V/f Frequency 3 to Free V/f 
Frequency 5 
 
Free V/f Frequency 5 (f5) 
0.: Disabled 
Free V/f Frequency 4 to Free V/f 
Frequency 6 
 
Free V/f Frequency 6 (f6) 
0.: Disabled 
Free V/f Frequency 5 to Free V/f 
Frequency 7 
 
Free V/f Frequency 7 (f7) 
0.: Disabled 
Free V/f Frequency 6 to 590.
*1
 
 
 
 
Set the voltage at 
each break point. 
*1.  If the free V/f function frequency 7 (b112) is set to less than 30 Hz, the inverter will not operate with the RUN 
LED blinking. 
 
Example: Output 
voltage [V] 
V7 
 
 
V6 
 
V5 
V4 
V1 
V2, V3 
 
 
0  f1 
 
f2  f3  f4  f5  f6  f7 
Output frequency 
[Hz]