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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？
gxtmdb82164
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1樓  發(fā)表于: 2024-07-29 09:52
改成TCP通信，買(mǎi)一對485轉以太網(wǎng)模塊然后模塊都就近安裝和兩側的控制設備公用一個(gè)電源，中間網(wǎng)絡(luò )是完全隔離的

99%的問(wèn)題都可以解決

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