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sarazyn
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樓主  發(fā)表于: 2019-04-08 15:47
圖片：
變頻器拖動(dòng)雙電機，每個(gè)電機有熱繼保護，熱繼常閉點(diǎn)串聯(lián)接入控制回路，常開(kāi)點(diǎn)與變頻器故障輸出并聯(lián)后控制故障指示燈。變頻器一啟動(dòng)故障燈就微亮，停止輸出則燈滅；按熱繼實(shí)驗按鈕，變頻器停止、燈滅（常開(kāi)點(diǎn)沒(méi)有閉合，不然應該是高亮才對），請問(wèn)這是什么情況，該怎么解決
tkggtdkjpl
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1樓  發(fā)表于: 2019-04-08 16:25
RA RC變頻器故障輸出觸點(diǎn)，用繼電器過(guò)渡一下
自動(dòng)化單機，生產(chǎn)線(xiàn)，項目編程調試！

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