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cyh1986
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樓主  發(fā)表于: 2018-05-19 18:02
最近有個(gè)項目上面要幾個(gè)接近開(kāi)關(guān)同時(shí)碰到之后才能動(dòng)作。我想有沒(méi)有這樣一個(gè)東西，類(lèi)似于安全繼電器，但是價(jià)格便宜一點(diǎn)的。用接近開(kāi)關(guān)驅動(dòng)繼電器然后串并聯(lián)，接線(xiàn)麻煩了點(diǎn)。
ufo6363
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1樓  發(fā)表于: 2018-05-19 18:26
我們做的非標設備，一直都是并連在使用
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