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双重联锁的正反转控制线路即在电路中即利用到了接触器的互锁，又利用到了按钮的联锁，实现了双重保护，使电路更加安全。双重联锁的正反转控制线路M3~KM1KM2KM1KM1FRSB1SB2L2L1L3QFFU1FU2SB3KM2KM2KM2KM1双重联锁正反转制线路图M3~KM1KM2KM1KM1FRSB1SB2L2L1L3QFFU1FU2SB3KM2KM2KM2KM1双重联锁的正反转控制线路双重联锁正反转制线路图按下正转按钮SB2M3~KM1KM2KM1KM1FRSB1SB2L2L1L3QFFU1FU2SB3KM2KM2KM2KM1双重联锁的正反转控制线路双重联锁正反转制线路图KM1线圈得电M3~KM1KM2KM1KM1FRSB1SB2L2L1L3QFFU1FU2SB3KM2KM2KM2KM1双重联锁的正反转控制线路双重联锁正反转制线路图KM1主触点闭合KM1常开辅助触点闭合自锁电机正转KM1常闭辅助触电打开互锁M3~KM1KM2KM1KM1FRSB1SB2L2L1L3QFFU1FU2SB3KM2KM2KM2KM1双重联锁的正反转控制线路双重联锁正反转制线路图M3~KM1KM2KM1KM1FRSB1SB2L2L1L3QFFU1FU2SB3KM2KM2KM2KM1双重联锁的正反转控制线路双重联锁正反转制线路图松开正转按钮SB2电机依然正传M3~KM1KM2KM1KM1FRSB1SB2L2L1L3QFFU1FU2SB3KM2KM2KM2KM1双重联锁的正反转控制线路双重联锁正反转制线路图按下反转按钮SB3M3~KM1KM2KM1KM1FRSB1SB2L2L1L3QFFU1FU2SB3KM2KM2KM1KM2双重联锁的正反转控制线路双重联锁正反转制线路图KM1线圈失电M3~KM1KM2KM1KM1FRSB1SB2L2L1L3QFFU1FU2SB3KM2KM2KM1KM2双重联锁的正反转控制线路双重联锁正反转制线路图KM1自锁触点打开KM1主触点打开KM1互锁触电闭合M3~KM1KM2KM1KM1FRSB1SB2L2L1L3QFFU1FU2SB3KM2KM2KM1KM2双重联锁的正反转控制线路双重联锁正反转制线路图KM2线圈得电M3~KM1KM2KM1KM1FRSB1SB2L2L1L3QFFU1FU2SB3KM2KM2KM1KM2双重联锁的正反转控制线路双重联锁正反转制线路图电机反转KM2主触点闭合KM2常开辅助触点闭合自锁KM2常闭辅助触电打开互锁14正反转主电路接线图QSFU1KM1KM2FR15双重联锁正反转控制电路1接线图2106481525789334569347824578