Description
接地线与机器的接地端相接，基本单元接地。如果要用扩展单元，其接地点应与基本单元的接地点接在一起。为了抑制加在电源及输入端、输出端的干扰，应给可编程控制器接上专用地线，接地点应与动力设备（如电机）的接地点分开。
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