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行程开关怎样控制电机正反转

更新时间: 2020-10-24 00:00:00     

行程开关控制电机正反转方式如下:

1、电机正转是通过正转接触器进行的,反转是通过反转接触器进行的;

2、正转到位行程开关断开正转接触器,接通反转接触器,电机开始反转,反转到位后,反转到位行程开关断开反转接触器,接通正转接触器;

3、严格规定,常闭触头先打开,常开触头后闭合。

关键词: 行程 开关 怎样 控制 电机 反转

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