P0500UM FOXBORO 梯形图

P0500UX – FOXBORO
P0500UY – FOXBORO
P0500WX – FOXBORO
P0500XL – FOXBORO
P0600TA – FOXBORO
P0700AC – FOXBORO
P0700AH – FOXBORO
P0700FV – FOXBORO
P0700FW – FOXBORO
P0700HE – FOXBORO
P0700TT – FOXBORO
P0700WB – FOXBORO
P0800AZ – FOXBORO
P0800CB – FOXBORO

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Description

根据输入输出接线圈可设计出异步电动机点动运行的梯形图如图(a)所示。工作过程分析如下:当按下SB1时,输入继电器X0得电,其常开触点闭合,因为异步电动机未过热,热继电器常开触点不闭合,输入继电器X2不接通,其常闭触点保持闭合,则此时输出继电器Y0接通,进而接触器KM得电,其主触点接通电动机的电源,则电动机起动运行。

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