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mr.sugar
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樓主  發(fā)表于: 2018-01-21 10:10
本人小菜鳥(niǎo)，以step7為例，modbus與s7300plc通訊（沒(méi)有通信模塊），modbus的數據是如何存到plc中的，是自建一個(gè)DB塊還是別的什么方式，以及plc中的數據是如何傳到modbus中的，請各位大神告知，方便的話(huà)能不能介紹幾個(gè)關(guān)于較全面這方面的書(shū)籍或者資料，感謝!
吾志所向
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1樓  發(fā)表于: 2018-01-21 10:45
S7-300上現有哪些通訊模塊，可以轉換一下即可實(shí)現； PLC信息化模塊.zip (719 K) 下载次数:40
[ 此帖被吾志所向在2019-12-26 09:12重新編輯 ]

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