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溫柔的郎
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樓主  發(fā)表于: 2025-02-04 20:38
各位大神好，
      問(wèn)個(gè)問(wèn)題，FX3U PLC可否同時(shí)做Modbus RTU主從站？
     設備在現場(chǎng)用FX3U PLC做控制，PLC與現場(chǎng)變頻器做Modbus RTU通信時(shí)，PLC需要做U主站，但PLC與中控做Modbus RTU通信時(shí)，PLC就需要做從站，
     這種應用在工控現場(chǎng)非常普遍，
     不知道如何來(lái)做，請有知道的大神指點(diǎn)指點(diǎn)，感謝��！
gzcjx555
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1樓  發(fā)表于: 2025-02-05 13:32
可以加一個(gè)485ADP做主站，然后加一個(gè)以太網(wǎng)模塊，使用modbus tcp做從站
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