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wsir123
日子在忙碌中才會(huì )顯得充實(shí)，我喜歡這樣的生活。
級別: 論壇版主

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在線(xiàn)時(shí)間: 818(小時(shí))
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樓主  發(fā)表于: 2007-06-26 11:39
前不久，朋友做一個(gè)parker驅動(dòng)器的工程，pro－face觸屏用擴展SIO與12個(gè)驅動(dòng)器采用485通信，結果只是相近四個(gè)上電能通信上，其余八個(gè)通信不上，折騰了半天，在終端加個(gè)120歐電阻就ok了，原因是以前做8個(gè)沒(méi)加電阻就沒(méi)問(wèn)題，在此，給廣大遇此問(wèn)題的工控朋友一點(diǎn)參考吧
保持每天一點(diǎn)小進(jìn)步足矣。。。
jickw
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1樓  發(fā)表于: 2008-05-03 16:08
好的 我記住啦

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