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小a快跑
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樓主  發(fā)表于: 2019-03-02 18:55
圖片：
問(wèn)下大家 圖,12，13,14,號腳的含義，
還有1,2,3，號腳接三線(xiàn)制溫度傳感器，和接兩線(xiàn)制溫度傳感器，分別該怎么接
711022027
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1樓  發(fā)表于: 2019-03-02 19:33
12/13/14是一副常開(kāi)與一副常閉觸點(diǎn)，13腳是公共端COM，13與14是常閉，12與13是常開(kāi)。1、2引腳接的二線(xiàn)傳感器是熱電偶，是毫伏信號，所以有正負，三線(xiàn)制的是PT100熱電阻。

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