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鄂小兔
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樓主  發(fā)表于: 2013-09-22 21:59
描述：CAD
圖片：
一個(gè)往返小車(chē)控制，動(dòng)作順序是啟動(dòng)，正轉運行檢測到右接近開(kāi)關(guān)后3S停止1S，反轉檢測到左接近開(kāi)關(guān)3S后停止1S，正轉循環(huán)。要求開(kāi)機檢測左側原點(diǎn)（左側接近后端3秒位置）示意圖如下（畫(huà)的不好，畢業(yè)之后一直做文職，畫(huà)圖也還給老師了）：
雪峰
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1樓  發(fā)表于: 2013-09-24 11:12
“正轉運行檢測到右接近開(kāi)關(guān)后3S停止1S”。是不是接近開(kāi)關(guān)檢測到小車(chē)后并不立即停止，而是繼續運行3S后才停止1S？
[ 此帖被雪峰在2013-09-24 12:03重新編輯 ]

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