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liuqiang1986
相互交流，相互學(xué)習，共同探討。
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樓主  發(fā)表于: 2014-09-15 13:34
變頻器用的外部控制，接的變頻器的繼電器端子來(lái)控制速度，用中間繼電器的觸點(diǎn)來(lái)控制變頻器端子，但是最近變頻器的繼電器老是壞掉，而中繼的觸點(diǎn)沒(méi)有壞掉，不知道怎么回事？
技術(shù)在于積累，學(xué)習在于堅持。
seallyzoom
和尚與屠夫的區別，就是一個(gè)吃素一個(gè)吃葷
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1樓  發(fā)表于: 2014-09-15 15:07
弄明白了，用來(lái)控制變頻的中繼壞掉觸點(diǎn)沒(méi)壞，以為L(cháng)Z說(shuō)的是變頻器內部繼電器，電壓正常還壞說(shuō)明中繼質(zhì)量太差
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