Specifications
 Chapter6FunctionalParameterDetailVFD‐G7SeriesFrequencyInverterOperationManual
96
Figure 6-3 Illustration of Two-wire Running Mode 2 
Notes: For two‐wire running mode, when forward function terminal/reverse function
terminalisvalidandthefrequencyinverterstopsduetothestopcommandcausedbyother
source,evenifthecontrolterminalforwardfunctionterminal/reversefunctionterminalstill
Reservevalid,thefrequencyinverterwon’trunafterthedisappearanceofstop
command,if
the user want the frequency inverter to run, it need to trigger the forward function
terminal/reversefunctionterminalagain.
2: Three-wire control 1   
This three‐wire function terminal mode is enabled terminal, the running command is
generated by forward function terminal, the direction command is generated by reverse
functionterminal,thethree‐wirefunctionterminalisnormalclose.
Terminal Setting Description  
Sx 01 Forward running  
Sy 02 Reverse running  
Sn  03  Three-wire running control 
The control mode is as the figure 6-4. 
0 1  Stop  
1 0  Forward  
1 1  Reverse  
K Running 
direction 
Sx Forward running
 Sy Reverse running
COM
K1
K2










