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redrock99
級別: 家園�？�
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樓主  發(fā)表于: 2011-06-09 22:55
有個(gè)朋友想讓做個(gè)PLC的程序，用在化工領(lǐng)域，是西門(mén)子200的，有開(kāi)關(guān)量和模擬量，讓報價(jià)
報價(jià)要含一年的服務(wù)費，PLC的IO點(diǎn)數和電路控制圖不詳，
我該報多少合適？這有什么標準嗎？
如果讓做方案，設計電路圖的話(huà)該怎么報價(jià)��？
麻煩各位工控大俠給介紹介紹經(jīng)驗
woyaofada
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1樓  發(fā)表于: 2011-06-09 23:47
IO點(diǎn)和功能塊，有很大關(guān)系，比如PID，位置控制等！

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