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hnwygcb009
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樓主  發(fā)表于: 2023-01-22 20:04
觸摸屏的1個(gè)串口分別與變頻器和PLC通過(guò)485線(xiàn)連接，讓觸摸屏既可以與變頻器通訊，又可以與PLC通訊，觸摸屏該如何設置；觸摸屏用的是維控PI3070I的，PLC是西門(mén)子s7-200的，變頻器是ABB 510的
tangjiezyc
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1樓  發(fā)表于: 2023-02-08 16:54
兩個(gè)串口的好用（PLC的軟原件多，要查對應地址，用一個(gè)232通訊省事）。一個(gè)串口的省錢(qián)(最經(jīng)濟的款就行了）。

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