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wangyuh7400
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樓主  發(fā)表于: 2017-12-28 15:52
三菱GS2110連接兩個(gè)FX3u主機,PLC距離屏有30米左右,屏上自帶一個(gè)422口,一個(gè)232口,一個(gè)以太網(wǎng)口。一號plc和屏用422連接,2號PLC用232連接的話(huà)距離比較長(cháng)怕會(huì )連不上,問(wèn)下大家有沒(méi)更好的辦法。
wayu
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1樓  發(fā)表于: 2017-12-29 09:27
屏的RS232轉RS422,然后直接連PLC的編程口.
樓主留言:
謝謝,普通的232口轉422都能用嗎
wayu
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2樓  發(fā)表于: 2017-12-29 12:26
當然可以用,用有電源的那種轉換器。
注意PLC側的接線(xiàn),不要用FX3U-485BD,無(wú)法和GS2110通訊。
FX3U-485BD不支持編程協(xié)議連接。
樓主留言:
真誠感謝!幫忙看下如果用FX3u-422BD這樣接線(xiàn)對不對,圖在下樓,

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