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金海洋
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樓主  發(fā)表于: 2022-11-06 07:47
使用smartST40 PLC，共有100臺流量計，如何用485通訊方式進(jìn)行數據讀取， 用485集線(xiàn)器是否可以實(shí)現全部通訊，怎么連接最經(jīng)濟適用
redrock99
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1樓  發(fā)表于: 2022-11-13 17:08
選一個(gè)支持MODbusTCP的多串口服務(wù)器，使用以太網(wǎng)通訊不就快多了？

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