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lit25444
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樓主  發(fā)表于: 2018-06-07 09:23
使用485ADP-MB與三菱變頻器通訊，變頻器故障怎么反饋？只能使用變頻器上面的端子嗎？
jack1009
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1樓  發(fā)表于: 2018-06-07 12:22
不知道,我沒(méi)有用過(guò),但理論上我認為如果不是通訊故障,只是變頻器故障,應該會(huì )請求反回故障碼,再解故障碼就可以得知故障原因,但如果是通訊故障,除非是硬體斷線(xiàn),不然應該也會(huì )回應故障碼,但用硬體IO監控故障應該是最安全的,也最直接的,不是嗎?

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