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plcchina
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樓主  發(fā)表于: 2021-01-22 16:45
手頭沒(méi)有模擬信號發(fā)生器，怎樣讓萬(wàn)用表輸出4~20mA信號？
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1樓  發(fā)表于: 2021-01-23 09:39
老大  2個(gè)萬(wàn)用表，一個(gè)蜂鳴器檔位 加可調電阻，另外一個(gè)萬(wàn)用表監控輸出的電流

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