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weixiao8
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樓主  發(fā)表于: 2017-09-16 16:25
如題,鄉親們哪,我的眼睛都快找瞎了 也沒(méi)找到與工控機通訊的例子!
我呢,fx3u-485ADP-MB通訊,然后PLC做從站,工控機做主站。
現在情況是用串口調試工具,能打開(kāi)端口,但是好像是假的,485-adp的兩個(gè)燈也不亮,
誰(shuí)整過(guò)這方面的,請賜教,夫人我感激不盡,恩是的 我是個(gè)夫人!哈哈 O(∩_∩)O謝謝 學(xué)習
autoctrl
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1樓  發(fā)表于: 2017-09-18 22:04
怎么不直接用旁邊的黃色電纜通訊呢,沒(méi)必要加一個(gè)485模塊啊,建議看看這篇文章:
http://blog.sina.com.cn/s/blog_16d7d3ecb0102x6wj.html

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