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yerong
級別: 工控俠客
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樓主  發(fā)表于: 2008-02-25 09:09
按鈕控制正反轉時(shí)，有接觸器互鎖，可還是接觸器老出問(wèn)題（粘牢）；切換時(shí)機器振動(dòng)很大。

采用以下線(xiàn)路后，效果相當不錯。 接觸器壽命長(cháng)了，機器振動(dòng)也小了。推薦�。。�！




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    ymmfa
    不想大江大河，不想浪起潮落，只愿一灣小湖，靜待歲月安好。
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    1樓  發(fā)表于: 2008-02-25 11:04
    獎2分先.
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