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yu0824
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樓主  發(fā)表于: 2024-07-01 08:48
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S1200 485通訊連接不上，不知道哪里出問(wèn)題了，求助大佬
zhaoaron
zhaoaron
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1樓  發(fā)表于: 2024-07-01 09:57
http://www.ad.siemens.com.cn/productportal/Prods/S7-1200_PLC_EASY_PLUS/SmartSMS/016.html

http://www.ad.siemens.com.cn/productportal/Prods/S7-1200_PLC_EASY_PLUS/11-Comm/03-Serial/02-Modbus/02-Modbus_RTU.htm


啥錯誤代碼不報錯嗎？？？？你可以先把MODBUS MASTER的req設為常1，試試，看有沒(méi)有錯誤代碼
......

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