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nhsl
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樓主  發(fā)表于: 2011-08-14 17:24
經(jīng)�？吹竭@些200起頭的地址，這些地址是不是輔助繼電器？為什么不直接輸出那？
王春茂
咖啡貓
級別: 網(wǎng)絡(luò )英雄

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1樓  發(fā)表于: 2011-08-16 19:23
看梯形圖，200開(kāi)頭的就是PLC里的輔助繼電器，這些繼電器的作用就是和電路中中間繼電器差不多，編程的時(shí)候根據需要使用，
本人已換手機號碼為13929895518，舊號碼將停用

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