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dodovsyou
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樓主  發(fā)表于: 2016-09-02 08:29
新手玩PLC，就是用PLC驅動(dòng)一個(gè)中間繼電器，電磁閥接在中間繼電器的觸點(diǎn)上用中間繼電器來(lái)控制電磁閥的開(kāi)關(guān)，請教前輩這個(gè)怎么編寫(xiě)完整的梯形圖，我自己按照手冊編寫(xiě)了一個(gè)，但是每次燒進(jìn)PLC的時(shí)候就會(huì )提示無(wú)法與PLC通訊，但是用別人的梯形圖就可以燒的進(jìn)去。新人學(xué)習，請前輩指教，謝謝！
source08
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1樓  發(fā)表于: 2016-09-02 08:31
請設置通信端口號！別人的程序是已經(jīng)設置好端口號的。

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