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sheedd
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樓主  發(fā)表于: 2009-07-03 12:29
小弟公司有4臺真空泵，為節能和保護真空泵，需要隨機啟動(dòng)和隨機停止，使用PLC和AD模塊控制，但4臺泵中有一臺壞掉的話(huà)那臺泵就不允許啟動(dòng)，所以我選擇4個(gè)旋鈕開(kāi)關(guān)來(lái)做泵的使用和不使用選擇。有朋友有類(lèi)似的例子給我參考下嗎？
buyiwuxi
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1樓  發(fā)表于: 2009-07-03 19:11
可以的呀，AD模塊轉換的值作為你說(shuō)的度，到后停泵且計時(shí)，時(shí)間到再比較如果小就再停

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