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luoqiang
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樓主  發(fā)表于: 2010-10-28 19:06
打開(kāi)有的工程發(fā)現里面就只用FB52,FB53兩個(gè)功能塊，請問(wèn)這兩個(gè)的作用是什么？FB其他號又是怎么使用的呢？謝謝！
wwcwwc
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1樓  發(fā)表于: 2010-10-29 09:54
這個(gè)問(wèn)題實(shí)在不好回答你。因為光從FB52；FB53功能塊來(lái)講，任何程序都可以寫(xiě)在這個(gè)上面去。當然西門(mén)子的強大的庫中有指定的標準功能；功能塊可以調用，比如FC105是模擬量輸入。
還是把程序放上來(lái)看吧。

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