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輕松的小木屋
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樓主  發(fā)表于: 2020-07-24 11:32
之前買(mǎi)了一個(gè)AD采集模塊，用來(lái)采集電位器的電壓信號，壓降太大，接線(xiàn)前后就差了0.5V。
拿三菱、臺達等AD模塊來(lái)試，壓降控制得還行，只是它們都是要求配套相應品牌的主機使用。
想找一個(gè)功能比較好的，帶485的0-5V采集模塊。
各位朋友也來(lái)推薦一下下。國內都沒(méi)關(guān)系，只要好用。
cythyx
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1樓  發(fā)表于: 2020-07-28 08:39
我以前有個(gè)噪音計也是，電壓輸出。電柜離太遠了壓降的厲害，在信號輸出端加個(gè)電壓轉電流模塊輸出到PLC就好很多了。

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