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華少888
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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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