课题四顺序控制与多地控制线路

1、,课题四 顺序控制与多地控制线路,一、顺序控制线路 在装有多台电动机的生产机械上，各电 动机所起的作用是不同的，有时需按一定的 顺序启动或停止，才能保证操作过程的合理 和工作的安全可靠。,主电路实现顺序控制,M1 3,L1L2L3,FU1,FU2,KM1,KM2,KH1 KH2,SB1,SB2,SB3,KM1,KM2,KM1,KM2,KH1,U,V,W,QS,KH2,M2 3,L1L2L3,FU1,FU2,KM1,KM2,KH1 KH2,SB1,SB2,SB3,KM1,KM2,KM1,KM2,KH1,U,V,W,QS,合上电源开关QS,M1 3,M2 3,KH2,主电路实现顺序控制,L1L2L

2、3,FU1,FU2,KM1,KM2,KH1 KH2,SB1,SB2,SB3,KM1,KM2,KM1,KM2,KH1,U,V,W,QS,只能先按下SB1,M1 3,M2 3,KH2,主电路实现顺序控制,L1L2L3,FU1,FU2,KM1,KM2,KH1 KH2,SB1,SB2,SB3,KM1,KM2,KM1,KM2,KH1,U,V,W,QS,电动机M1起动,M1 3,M2 3,KH2,主电路实现顺序控制,L1L2L3,FU1,FU2,KM1,KM2,KH1 KH2,SB1,SB2,SB3,KM1,KM2,KM1,KM2,KH1,U,V,W,QS,按下SB2电动机M2起动,M1 3,M2 3,K

3、H2,主电路实现顺序控制,L1L2L3,FU1,FU2,KM1,KM2,KH1 KH2,SB1,SB2,SB3,KM1,KM2,KM1,KM2,KH1,U,V,W,QS,按下SB3 KM1线圈KM2线圈同时失电,M1 3,M2 3,KH2,主电路实现顺序控制,L1L2L3,KM1,KM2,KH1 KH2,SB2,SB3,SB1,KM1,KM2,KM1,KM2,KH1,U,V,W,FU1,FU2,QS,M1 3,M2 3,KH2,控制电路实现顺序控制,L1L2L3,KM1,KM2,KH1 KH2,SB2,SB3,SB1,KM1,KM2,KM1,KM2,KH1,U,V,W,合上电源 开关QS,FU

4、1,FU2,QS,M1 3,M2 3,KH2,控制电路实现顺序控制,L1L2L3,KM1,KM2,KH1 KH2,SB2,SB3,SB1,KM1,KM2,KM1,KM2,KH1,U,V,W,按下SB2， KM1线圈得电,FU1,FU2,QS,M1 3,M2 3,KH2,控制电路实现顺序控制,L1L2L3,KM1,KM2,KH1 KH2,SB2,SB3,SB1,KM1,KM2,KM1,KM2,KH1,U,V,W,KM1自锁触头闭合,对KM1自锁 KM1主触头闭合 电机M1正转,FU1,FU2,QS,M1 3,M2 3,KH2,控制电路实现顺序控制,L1L2L3,KM1,KM2,KH1 KH2,S

5、B2,SB3,SB1,KM1,KM2,KM1,KM2,KH1,U,V,W,松开SB2 电动机继续运行,FU1,FU2,QS,M1 3,M2 3,KH2,控制电路实现顺序控制,L1L2L3,KM1,KM2,KH1 KH2,SB2,SB3,SB1,KM1,KM2,KM1,KM2,KH1,U,V,W,按下SB3， KM2线圈得电,FU1,FU2,QS,M1 3,M2 3,KH2,控制电路实现顺序控制,L1L2L3,KM1,KM2,KH1 KH2,SB2,SB3,SB1,KM1,KM2,KM1,KM2,KH1,U,V,W,KM2自锁触头闭合,对KM2自锁 KM2主触头闭合，电动机M2正转,FU1,FU

6、2,QS,M1 3,M2 3,KH2,控制电路实现顺序控制,L1L2L3,KM1,KM2,KH1 KH2,SB2,SB3,SB1,KM1,KM2,KM1,KM2,KH1,U,V,W,松开SB3， 电动机M1、M2继续正转,FU1,FU2,QS,M1 3,M2 3,KH2,控制电路实现顺序控制,L1L2L3,KM1,KM2,KH1 KH2,SB2,SB3,SB1,KM1,KM2,KM1,KM2,KH1,U,V,W,按下SB1, KM1， KM2线圈失电， 动合辅助触头断开,解除自锁 动合主触头断开 电机停转,FU1,FU2,QS,M1 3,M2 3,KH2,控制电路实现顺序控制,二、多地控制电路

7、,能在两地或多地控制同一台电动机的控制方式叫做电动机的多地控制 。,L1L2L3,FU1,FU2,KM,KH,SB12,SB22,KM,KH,U,V,W,M 3,QS,SB11,SB21,KM,二、多地控制电路,L1L2L3,FU1,FU2,KM,SB12,SB22,KM,U,V,W,QS,SB11,SB21,KM,合上电源开关QS,KH,KH,M 3,二、多地控制电路,L1L2L3,FU1,FU2,KM,SB12,SB22,KM,U,V,W,QS,SB11,SB21,KM,按下SB11 （甲地） KM线圈得电,KH,KH,M 3,二、多地控制电路,L1L2L3,FU1,FU2,KM,SB12

8、,SB22,KM,U,V,W,QS,SB11,SB21,KM,KM自锁触头闭合, 自锁 KM主触头闭合 电机正转,KH,KH,M 3,二、多地控制电路,L1L2L3,FU1,FU2,KM,SB12,SB22,KM,U,V,W,QS,SB11,SB21,KM,松开SB11 （甲地） 电机继续正转,KH,KH,M 3,二、多地控制电路,L1L2L3,FU1,FU2,KM,SB12,SB22,KM,U,V,W,QS,SB11,SB21,KM,按下SB12 KM线圈失电 自锁触头断开,解除自锁 主触头断开 电机停转,KH,KH,M 3,二、多地控制电路,L1L2L3,FU1,FU2,KM,SB12,SB22,KM,U,V,W,QS,SB11,SB21,KM,按下SB21 （乙地） KM线圈得电,KH,KH,M 3,二、多地控制电路,L1L2L3,FU1,FU2,KM,SB12,SB22,KM,U,V,W,QS,SB11,SB21,KM,松开SB21 （乙地） 电机