NVF5 Series User Manual     Chapter 6 Parameter Function Description 
6.14 Skip Frequency 
By setting the Skip Frequency, inverter can avoid the mechanical resonance point of 
the load.NVF5 can be set three Skip Frequency,if all Skip Frequency are set to 0,Skip 
Frequency function is disable 
Code  Name  Default  Setting Range  Description 
F8.10  Skip Frequency1  0.00Hz 
0.00 Hz  ~  F0.07 
- 
F8.11 
0.00Hz 
0.00 Hz  ~  F0.07 
- 
F8.12  Skip Frequency 2  0.00Hz 
0.00 Hz  ~  F0.07 
- 
F8.13 
0.00Hz 
0.00 Hz  ~  F0.07 
- 
F8.14  Skip Frequency 3  0.00Hz 
0.00 Hz  ~  F0.07 
- 
F8.15 
0.00Hz 
0.00 Hz  ~  F0.07 
- 
Setting Freq. 
after regulation
Setting Freq.
Skip 
Freq.3
Skip Freq.3 
range
Skip 
Freq.2
Skip 
Freq.1
Skip Freq.2
range
Skip Freq.1
range
 
Figure 6-14-1 Skip Frequency 
6.15 Forward and Reverse Switch 
  In some cases, the motor Forward and Reverse switching needs to be delayed for a 
period of time, so the dead time of the Forward and Reverse switching can meet the 
requirement. 
Code  Name  Default  Setting Range  Description 
F1.10 
Forward/Reverse 
Deadband Time   
0.0s 
(0.0  ~  300.0)s 
- 
F1.11 
Forward/Reverse 
Switch Mode 
0 
0  ~  1 
0 :
Frequency F0.09 
1 :
Switch at Start 
FrequencyF1.01 
- 87 -