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zengxingdong
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樓主  發(fā)表于: 2008-03-07 15:59
三菱FX-1S的PLC輸出點(diǎn)很容易燒壞怎么辦?
dsmaaa
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1樓  發(fā)表于: 2008-09-18 15:27
中間加SSR固態(tài)繼電器（分DA和DD，電流要選擇合適）；若控制電磁閥等小功率的直流負載，也可不加固態(tài)(成本較高50元左右)，可并聯(lián)一只IN4007二極管反向泄流，可保護PLC觸點(diǎn)。

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