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請教雙感應器之接法
Aug 17th 2013, 14:40

按這裡檢視圖片

我的情形是走廊的兩邊都使用感應器

感應器是PIR-501PAC

這款感應器有四條線-->紅白白黑,我有拆開白白兩線在電路板是短路的

紅白是輸入110-220V,白黑是接電燈

我的想法是從走廊任一邊走過來都會啟動感應器讓燈亮一段時間

我先接第一組如圖上方,可以正常使用燈亮3分鐘自動熄滅

斷電後我接好第二組再送電

結果就是都不接受感應了(一送電會聽到繼電器吸上,燈亮30秒後就跳脫燈就不亮)

然我我把B組拆掉只用A組一樣不接受感應了,亮燈30秒自動關掉

反之只用B組,A組拆掉,一樣不接受感應了,亮燈30秒自動關掉

也就是兩顆都壞掉了

我有爬文已經知道有雙切感應開關

但我還是想知道,我哪個地方接錯了,能告訴我嗎?謝謝

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