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華少888
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最后登錄: 2024-08-07
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樓主  發(fā)表于: 2021-12-15 15:22
PLC與PC進(jìn)行modbus連接時(shí)，plc作為從站，執行程序段1，當pc通訊斷開(kāi)時(shí)，plc執行程序段2，現在就是不知道怎么用從站檢測modbus通訊是否中斷，來(lái)觸發(fā)這個(gè)條件（本人用的信捷XL3系列的plc）

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