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zzgzlp
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樓主  發(fā)表于: 2013-08-15 11:36
工作示意圖
按啟動(dòng)按鈕,物料傳送帶勻速運行,每走完200MM給一個(gè)滑塊啟動(dòng)信號。另一個(gè)滑塊傳送帶同步同速運行,給傳送帶物料送引線(xiàn),送完之后,滑塊高速回到初始點(diǎn),等到滑塊啟動(dòng)信號又同步同速運行。因為滑塊啟動(dòng)存在加減速時(shí)間,(即使像信捷PLC有一種PTO指令可以做到“0加減速延時(shí),也發(fā)現只不過(guò)時(shí)響應速度加快而已,循環(huán)久了照樣不能準確定位),加如此循環(huán),不知各位朋友有沒(méi)有碰到之方面的項目,怎么實(shí)現呢
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1樓  發(fā)表于: 2013-08-24 14:57
  

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