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mmm88800
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樓主  發(fā)表于: 2012-12-20 23:40
鑒于網(wǎng)上沒(méi)有任何一款西門(mén)子S7-300/400 PLC    USB-MPI有線(xiàn)編程電纜電路圖,所以今天本人發(fā)布一款市場(chǎng)上常見(jiàn)的USB-MPI電路圖。

市場(chǎng)或淘寶售價(jià)100--200元之間。就是此電路,完全一樣,但USB轉串口電路芯片用PL2303HX或CH341T和CH340的最多(價(jià)格便宜)

說(shuō)明一點(diǎn):  W77E58P是協(xié)議轉換芯片,需要編寫(xiě)并燒錄程序才能工作。
                      CH341A需要安裝USB轉串口驅動(dòng)

在順便發(fā)布下,本人出售西門(mén)子S7-300/400 PLC    無(wú)線(xiàn)編程電纜,距離30米左右,超級穩定,有需要的聯(lián)系,謝謝!
     

QQ:544611731            13821451048 

 


  
715323462
TCM Rehabilitation Physiothera
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1樓  發(fā)表于: 2013-02-16 11:00
要淡定。。。。!
你如果發(fā)一個(gè)232串口的可以自制的S7-300編程電纜的話(huà),低下一定是掌聲一大片的!
看樓主帖子的內容有做廣告的嫌疑呀。誰(shuí)還不會(huì )去淘寶買(mǎi)一根?關(guān)鍵是那就失去自己動(dòng)手DIY的意義了。

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