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樓主  發(fā)表于: 2013-04-03 22:33
我們公司設備出問(wèn)題了,由于不太懂PLC 所以求助一下大家:     歐姆龍PLC控制一個(gè)隧道門(mén)關(guān)與開(kāi), PLC輸入部份有 左右門(mén)(關(guān)門(mén)到位停止行程開(kāi)關(guān) 開(kāi)門(mén) 到位行程開(kāi)關(guān)  開(kāi)門(mén)減速位接近開(kāi)關(guān)  關(guān)門(mén)減速位接近開(kāi)關(guān)   一個(gè)變頻器故障反饋).    PLC輸出 是接到ABB變頻器上. 變頻器上接了一臺0.75的電極 電機上有一個(gè)編碼器, 隧道是左右兩張,每張門(mén)都有一個(gè)電機 一個(gè)變頻器.   現在我用上位機 控制隧道門(mén)開(kāi)與關(guān)時(shí)  總是出現 一邊門(mén)關(guān)不到位  另不一邊門(mén)開(kāi)不到位  開(kāi)門(mén)或著(zhù)關(guān)門(mén)過(guò)頭的現象 ,碰到行程開(kāi)關(guān) 電機都不停止, 導致門(mén)的傳動(dòng)系統的鏈條老是扯斷.   我檢查了行程開(kāi)關(guān) 都沒(méi)問(wèn)題    請問(wèn)大家   是那部分出問(wèn)題了  給小弟一點(diǎn)提示

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