Detailed Function Description 
 
55
OFF OFF  Stop 
ON OFF  FWD 
OFF ON  REV 
ON ON  Stop 
Figure 6.10    2-wire control mode1. 
1: 2-wire control mode 2: START/STOP command is determined by FWD terminal. Run 
direction is determined by REV terminal. 
 
K1 K2  Run command 
OFF OFF  Stop 
ON OFF  FWD 
OFF ON  Stop  
ON ON  REV 
Figure 6.11    2-wire control mode 2. 
2: 3-wire control mode 1:   
SB1: Start button 
SB2: Stop button (NC) 
K: Run direction button 
Terminal SIn is the multifunctional input terminal of S1~S4. The terminal function should 
be set to be 3 (3-wire control). 
 
K Run command 
OFF Stop 
ON FWD 
 
Figure 6.12    3-wire control mode 1. 
3: 3-wire control mode 2:   
SB1: Forward run button 
SB2: Stop button (NC) 
SB3: Reverse run button 
Terminal SIn is the multifunctional input terminal of S1~S4. The terminal function should 
be set to be 3 (3-wire control)