顺序控制与多地控制线路1.ppt
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L1L2L3 KM1 KM2 FR1 FR2 KM1 FR1 U V W FU1 FU2 QS M1 3~ M2 3~ FR2 SB21 SB22 KM2 KM2 KM1 SB11 SB12 KM1 按下SB21, KM2线圈得电 控制电路实现顺序控制(二): 启动顺序:M1rrrrrrM2 停止顺序:按下SB22M2单独停 或按下SB12同时停 L1L2L3 KM1 KM2 KM2 FR1 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 FU2 QS M1 3~ M2 3~ FR2 FR1 FR2 KM1 SB21 SB22 KM2 KM1 SB11 SB12 KM1 控制电路实现顺序控制(二): 启动顺序:M1rrrrrrM2 停止顺序:按下SB22M2单独停 或按下SB12同时停 L1L2L3 KM1 KM2 KM2 FR1 U V W FU1 FU2 QS M1 3~ M2 3~ FR2 FR1 FR2 KM1 SB21 SB22 KM2 KM1 SB11 SB12 KM1 松开SB21, 电动机M1、M2继续正转 控制电路实现顺序控制(二): 启动顺序:M1rrrrrrM2 停止顺序:按下SB22M2单独停 或按下SB12同时停 SB21 SB22 KM2 KM2 SB 2 L1L2L3 控制电路实现顺序控制(一) (三) KM U V W FU1 FU2 QS M1 3~ KM2 M2 3~ FR2 KM1 FR1 FR1 SB11 SB12 KM KM 启动顺序:M1rrrrrrM2 SB1 FR2 KM1 KM1 KM1 停止顺序:M1rrrrrrM2 M1rrrrrrM2 KM2 KM1 KM2 FR1 FR2 SB11 SB12 KM1 FR1 U V W KM1 FU1 FU2 M1 3~ M2 3~ FR2 SB21 SB22 KM2 KM2 KM1 KM2 控制电路实现顺序控制(三) 启动顺序:M1rrrrrrM2 停止顺序:M1rrrrrrM2 M1rrrrrrM2 M1rrrrrrM2 合上电源 开关QS L1L2L3 QS L1L2L3 KM1 KM2 FR1 FR2 KM1 FR1 U V W 按下SB11, KM1线圈得电 FU1 FU2 QS M1 3~ M2 3~ FR2 KM1 SB21 SB22 KM2 KM2 KM1 SB11 SB12 KM2 控制电路实现顺序控制(三) 启动顺序:M1rrrrrrM2 停止顺序:M1rrrrrrM2 M1rrrrrrM2 M1rrrrrrM2 L1L2L3 KM1 KM2 FR1 FR2 KM1 FR1 U V W KM1自锁触头闭合,对KM1自锁 KM1辅助常开触头闭合 KM1主触头闭合 电机M1正转 FU1 FU2 QS M1 3~ M2 3~ FR2 SB21 SB22 KM2 KM2 KM1 SB11 SB12 KM1 KM2 控制电路实现顺序控制(三) 启动顺序:M1rrrrrrM2 停止顺序:M1rrrrrrM2 M1rrrrrrM2 M1rrrrrrM2 L1L2L3 KM1 KM2 FR1 FR2 KM1 FR1 U V W FU1 FU2 QS M1 3~ M2 3~ FR2 SB21 SB22 KM2 KM2 KM1 SB11 SB12 KM1 松开SB11 电动机继续运行 KM2 控制电路实现顺序控制(三) 启动顺序:M1rrrrrrM2 停止顺序:M1rrrrrrM2 M1rrrrrrM2 M1rrrrrrM2 L1L2L3 KM1 KM2 FR1 FR2 KM1 FR1 U V W FU1 FU2 QS M1 3~ M2 3~ FR2 SB21 SB22 KM2 KM2 KM1 SB11 SB12 KM1 按下SB21, KM2线圈得电 KM2 控制电路实现顺序控制(三) 启动顺序:M1rrrrrrM
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