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永不放棄hhj
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樓主  發(fā)表于: 2024-12-03 11:17
用三菱3u 做Modbus通訊時(shí)，用m8002上電初始化，自動(dòng)檢測從站數量，這個(gè)程序如何寫(xiě)。我準備用for循環(huán)向從站發(fā)送開(kāi)機狀態(tài)報文，依據有沒(méi)有返回報文，來(lái)確定從站是不是存在。不知道前輩們是怎么處理這個(gè)問(wèn)題的
heiheiwodeai
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1樓  發(fā)表于: 2024-12-03 11:31
從站數量必須是已知的，掉線(xiàn)可以自動(dòng)跳過(guò)，沒(méi)做過(guò)這種未知的

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