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hbrd188
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樓主  發(fā)表于: 2017-06-25 08:36
有誰(shuí)做過(guò)4—20mA輸入，控制溫度器，20度起動(dòng)一只風(fēng)機，25度起動(dòng)第二只風(fēng)機，30度第二只風(fēng)機停止。
smtpcj
認真向各位老師學(xué)習！
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1樓  發(fā)表于: 2017-06-25 11:12
剛好我做過(guò)幾個(gè)，取開(kāi)關(guān)風(fēng)機參數與采集的值，用比較

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