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楊哲1234
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樓主  發(fā)表于: 2020-06-20 13:34
現有一個(gè)項目的儀表只支持modbus ASCII碼通訊，但是S7-1200沒(méi)有標準的modbus ASCII碼指令庫，想用點(diǎn)到點(diǎn)通訊來(lái)實(shí)現ASCII碼通訊，沒(méi)有做過(guò)，有大神能指導一下嗎？
langui
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1樓  發(fā)表于: 2020-06-23 11:32
ASCII通訊只能用自由口寫(xiě)

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