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zj664512780
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樓主  發(fā)表于: 2017-08-30 11:09
控制要求;

變頻器控制風(fēng)機抽風(fēng)風(fēng)量（開(kāi)關(guān)量控制； 高、中、低，三段啟動(dòng)）

共四個(gè)閥門(mén)

系統啟動(dòng)時(shí)候，低速啟動(dòng)
抽風(fēng)閥門(mén)開(kāi)2個(gè)時(shí)候中速啟動(dòng)。
三個(gè)以上 高速啟動(dòng)
高 中 低 速啟動(dòng) 要互鎖功能，同時(shí)只能啟動(dòng)一種，


除了常規的方法，有什么簡(jiǎn)便的指令來(lái)實(shí)現嗎》謝謝
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1樓  發(fā)表于: 2017-09-01 20:40
圖片：
例如x0到x3分別感應風(fēng)門(mén)開(kāi)啟狀態(tài)，y0低速，y1中速，y2高速
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