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weizhenxiang
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樓主  發(fā)表于: 2016-06-22 17:04
問(wèn)題1，用面板控制變頻器反轉啟動(dòng)，設置參數有3-02最小參考值30HZ，3-03最大參考值60HZ，4-10電動(dòng)機速度方向1逆時(shí)針，然后按hand on啟動(dòng)，變頻器輸出沒(méi)有反應，電機不轉。把4-10改為2雙向的時(shí)候，電機正轉。

問(wèn)題2，參數 參考值來(lái)源3-15,3-16,3-17有什么區別，怎么用

問(wèn)題3，電動(dòng)機熱保護設置為ETR跳閘，然后設置繼電器功能為9報警，就可以利用繼電器觸點(diǎn)把變頻器報警信號給PLC？
weizhenxiang
級別: 正式會(huì )員
精華主題: 0
發(fā)帖數量: 6 個(gè)
工控威望: 96 點(diǎn)
下載積分: 467 分
在線(xiàn)時(shí)間: 45(小時(shí))
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1樓  發(fā)表于: 2016-06-22 17:12
哪位大神有了解，幫忙看看，謝謝

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