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shuchuang78
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樓主  發(fā)表于: 2012-03-28 18:59
請教，什么是源型輸入，漏型輸入和共陰極，共陽(yáng)極，源型等于共陽(yáng)極嗎？謝謝
李想
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1樓  發(fā)表于: 2012-04-03 11:35
針對plc的輸入方式，簡(jiǎn)單的說(shuō)也就是正電壓的輸入和輸出的關(guān)系

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