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kayling888
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樓主  發(fā)表于: 2010-08-25 08:44
各位大佬，你們好！
本人現在學(xué)習300中，有一處問(wèn)題，請指點(diǎn)：

現手上有一塊 6ES7 331-7KF01-0AB0的模塊,在模塊的面板上看到AI 8X12BIT的字樣，且我的模塊上有20個(gè)接線(xiàn)端子，但是在S7-300的模板規范上[2004版]這種型號的模塊有40個(gè)接線(xiàn)端子,再往后看，模板規范的6ES7 331-7KF02的接線(xiàn)端子與接線(xiàn)圖確跟我手上這個(gè)模塊是一樣的，這是怎么回事，是不是這兩種模塊都有20與40針的區別，7KF01與7KF02都有20與40的區別！
我手上的這塊為20針，但我找到的資料都是40針的這是怎么回事呢,好像，在資料上根本看不到有20針的331 7KF01-0AB0?

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