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cyh1986
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樓主  發(fā)表于: 2024-10-01 13:52
廠(chǎng)里有一個(gè)積放鏈涂裝線(xiàn)，使用三年出現了好幾次撞門(mén)的故障。
我從電器上分析，有一個(gè)情況，理論上可能撞車(chē)。比如門(mén)開(kāi)的限位一直有信號。實(shí)際在開(kāi)門(mén)的時(shí)候，門(mén)還沒(méi)有開(kāi)，門(mén)開(kāi)限位有信號，這種情況下放行就會(huì )撞門(mén)

在PLC程序里面有沒(méi)有辦法做個(gè)保護。限位都是接的常開(kāi)信號。
漂泊的石頭人
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1樓  發(fā)表于: 2024-10-08 11:12
裝4個(gè)限位不就好了，用常開(kāi)常閉，壞幾個(gè)算不正常，自己寫(xiě)邏輯

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