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ogreman
Only The Stronger Survive
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樓主  發(fā)表于: 2012-11-29 14:16
圖片：
如下圖所以，2個(gè)NPN傳感器并接入PLC，這種邏輯關(guān)系式或，只要其中一個(gè)有輸入，PLC則有輸入。如果想讓2個(gè)NPN感應器，接成邏輯與的關(guān)系，需要2個(gè)傳感器都有輸入時(shí)才有輸入到PLC,這個(gè)該怎么接，可行不？[
楊寧輝
給自己裝個(gè)擴展模塊！擴大自己的能量！
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1樓  發(fā)表于: 2012-11-29 19:58
應該是一個(gè)的輸出與另一個(gè)的電源負極上npn傳感器是共陰的？這樣做不知可行不可行，

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