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海洋一舟
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樓主  發(fā)表于: 2011-03-06 10:01
請教大家,我要用變頻器控制一個(gè)一匹的電機正反轉,正反轉間隔的時(shí)間大概是30秒,我想從變頻器輸出端接兩個(gè)接觸器改變相序來(lái)達到正反轉,這樣做要接剎車(chē)電阻嗎,加減速兩秒鐘這樣,謝謝
zhangli019
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1樓  發(fā)表于: 2011-03-06 19:03
受益匪淺��！
給我一根杠桿，一個(gè)支點(diǎn)

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