X0                                                                                              C1 K5
----------▏▏--------------------------------------------------------------------(           )
           啟 停                                                                                            X0動(dòng)作 次數(shù)
                                                                                                    
--------[   =C1     K1    ]--------------------------------------------------[   SET   M1]
                                                                                                                X0動(dòng)作1次M1 ON
          
--------[   =C1     K2    ]--------------------------------------------------[   RST   M1]
                                                                                                               X0動(dòng)作2次M1 OFF
             M1                                                                                              Y20 
----------▏▏--------------------------------------------------------------------(           )
            控制Y20                                                                                    輸出
                                                                                                                 M2        
---------[   =C1     K2    ]---------------------------------------------------(           )
                                                                                                              X0動(dòng)作2次M2 ON
             M2                                                                                               
----------▏▏-------------------------------------------------------------------[   RST   C0]
             C0復(fù)位用                                                                                 X0動(dòng)作2次C0復(fù)位