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banhuafen
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樓主  發(fā)表于: 2024-05-11 13:45
成套風(fēng)機控制設備，機柜風(fēng)機一體柜，內配有變頻器、200SMART PLC，PLC與和利時(shí)  MODBUS  RTU通訊，停機時(shí)與和利時(shí)DCS系統正常通訊，一開(kāi)機因干擾DCS與PLC通訊中斷，無(wú)法讀取PLC的數據。大神如何消除干擾？
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發(fā)帖數量: 180 個(gè)
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在線(xiàn)時(shí)間: 287(小時(shí))
注冊時(shí)間: 2019-05-27
最后登錄: 2025-06-12
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1樓  發(fā)表于: 2024-07-29 10:57
這個(gè)我遇到過(guò)，是高壓伺服的，一開(kāi)起來(lái)和儀表的通訊就斷開(kāi)，關(guān)閉就秒收發(fā)，利用串口助手用儀表的調試模式(自由格式)就會(huì )收到亂碼，每秒1千多條亂碼，解決方法是儀表的供電電源單獨給，并且高壓伺服控制器以及驅動(dòng)端都要有效接地。

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