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樓主  發(fā)表于: 2017-11-22 19:36
用臺達SA2系列PLC做485通信   查了手冊M1127是通信接受完成會(huì )置位   但是實(shí)際上我已經(jīng)完成通信了  怎么它還是沒(méi)有反應  
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1樓  發(fā)表于: 2017-11-22 19:57
試下M1314(COM1),M1318(COM3)

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