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fs16899
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樓主  發(fā)表于: 2008-07-09 20:38
使用情況:電梯控制柜,富士NB PLC,但當電梯運行,變頻器工作時(shí),電腦和PLC通訊中斷,致使無(wú)法監控到PLC的動(dòng)作情況,了解到富士NB PLC也可用RS422全雙工通訊,上機試了效果蠻好的,沒(méi)有出現斷線(xiàn)的問(wèn)題了,請朋友看看參考
附件內含實(shí)際制作圖
[ 此帖被fs16899在2009-08-25 15:04重新編輯 ]
huidong
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1樓  發(fā)表于: 2008-11-06 11:10
    

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