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qiang2751290
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樓主  發(fā)表于: 2013-12-13 12:26
各位，  在S7-300 PLC中在FB如何使用， 在背景數據存儲是代表像時(shí)間繼電器，或者計數器，這種就可以存入FB中嗎？？？


像FC就是邏輯控制，沒(méi)有數據類(lèi)型的存儲器。
xwsunhongjun
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1樓  發(fā)表于: 2013-12-13 22:16
FB就是一個(gè)自己開(kāi)發(fā)的可以二次調用的功能塊。

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