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老大很悲傷
冰凍三尺非一日之寒
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樓主  發(fā)表于: 2017-12-07 20:49
圖片：
SB1----自鎖開(kāi)關(guān)。
KA1----中間繼電器
SQ1----行程開(kāi)關(guān)
YV1----電磁閥
H1-----指示燈
控制要求很簡(jiǎn)單，按鈕按下，繼電器得電，電磁閥得電，油缸動(dòng)作，碰到限位，斷開(kāi)繼電器，限位指示燈亮。電路有沒(méi)有什么問(wèn)題。請大家指導。不過(guò)接線(xiàn)很麻煩，行程開(kāi)關(guān)都離得遠，拉24V+出去進(jìn)限位的公共端，從常閉和常開(kāi)各拉一根線(xiàn)回柜子。還有更簡(jiǎn)單的方法嗎？沒(méi)有PLC
wul2.4g
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1樓  發(fā)表于: 2017-12-08 10:25
就這樣不用改了，只要動(dòng)作對，行程開(kāi)關(guān)總要放線(xiàn)的，只是二芯與三芯的區別，現在的電路過(guò)程是循環(huán)的，是否能滿(mǎn)足你的工藝要求？按下SB1自鎖按鈕后，油缸伸到位再縮回來(lái)，再循環(huán)。。。。。。。

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