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樓主  發(fā)表于: 2016-10-19 11:43

用PPI/485可編程電纜連接PC機和主站PLC，用西門(mén)子紫色PROFIBUS電纜連接主站和從站PLC。主站地址為2，從站地址為3，為什么通信時(shí)只能搜到主站，搜不到從站？急急急！在線(xiàn)等。

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