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tzyfl4444
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樓主  發(fā)表于: 2021-03-03 08:36
不知道有什么可能性，到了第17臺RD和SD燈都不亮。我看說(shuō)明書(shū)，無(wú)協(xié)議通信好像最多可以帶32臺變頻器。謝謝
lsllq88
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1樓  發(fā)表于: 2021-03-04 13:38
加485中繼就可以，485總線(xiàn)掛多了，把電壓拉低了，

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