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mks
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樓主  發(fā)表于: 2008-12-10 10:24
各位師傅我有一臺電動(dòng)機想停一個(gè)小時(shí)轉倆個(gè)小時(shí)以此循環(huán)的線(xiàn)路圖該怎么設計?
因關(guān)系到成本問(wèn)題能不用PLC 嗎?
用時(shí)間繼電器控制的線(xiàn)路圖應該怎么畫(huà)?
[ 此帖被mks在2009-06-15 19:29重新編輯 ]
yangyajiang
看得多回得少。見(jiàn)諒了!
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1樓  發(fā)表于: 2009-02-20 13:47
我家抽水為了防止不水井抽干.用一個(gè)水位控制器,外加一個(gè)計時(shí)器,這個(gè)計時(shí)器,就是抽幾分鐘,再停幾分鐘,二個(gè)時(shí)間都可以調正,直到水位控制開(kāi)關(guān)水滿(mǎn)后,再切斷計時(shí)器源,有一次控制水位的線(xiàn)被老鼠咬斷了, 一個(gè)晚就一直抽幾分鐘,停幾十分鐘的抽,你要的就是這個(gè)原理吧, 去買(mǎi)一個(gè)雙計時(shí)器的

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