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按钮自动和手动怎么接线
更新时间: 2021-03-18 15:40:38  

1、转换开关SA1有四个档位,从左到右依次为:自动、手动、停止和旁通。在表示开关档位的每条竖线上、开关的触点(对)编号下有几个小白点。当开关处于某个档位时,有小白点的触点为闭合状态;反之则为断开状态。

2、当SA1转到手动时,→触点(1,5)闭合,此时接触器1KM与2KM由继电器FJ1与FJ2的触点直接控制,继电器FJ1与FJ2的控制信号由外部提供,实现自动控制。

关键词: 按钮 自动 手动 怎么 接线

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