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 <title><![CDATA[自制三菱编程电缆,为什么不能通讯呢?]]></title>
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 <description><![CDATA[Latest 50 replies of 自制三菱编程电缆,为什么不能通讯呢?]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <lastBuildDate><![CDATA[Mon, 11 May 2026 12:29:10 +0000]]></lastBuildDate>
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 <description><![CDATA[[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1377841#1380957.html]]></link>
 <author><![CDATA[竹叶三]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Thu, 22 Nov 2012 11:36:06 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[标记了。学习用。FX2n接线图]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1377841#1380955.html]]></link>
 <author><![CDATA[竹叶三]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Thu, 22 Nov 2012 11:25:55 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21]&nbsp;&nbsp;[s:21]&nbsp;&nbsp;[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1377841#1380325.html]]></link>
 <author><![CDATA[kuttler]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Wed, 21 Nov 2012 01:32:09 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习了，谢谢]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1377841#1360436.html]]></link>
 <author><![CDATA[heyue]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Wed, 17 Oct 2012 13:26:38 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[只看楼主 | 小 中 大






 图片：]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1377841#1358571.html]]></link>
 <author><![CDATA[336789]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Sun, 14 Oct 2012 15:10:57 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[一：把2和4脚的电阻去掉。直接短接。
二：把PC侧的4和6脚短接
三：最关键的，是你用的电脑串口是自带的COM1还是用的USB转串口线？如果是电脑自带的串口，可以通讯，100%没有问题。如果你用的串口线，那问题就不好说了，这个图是把RS422直接接成RS232，如果用串口线质量不好，那根本无法通讯！
我测试过，除了华塑的工业串 ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1377841#1353355.html]]></link>
 <author><![CDATA[mmm88800]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Thu, 04 Oct 2012 09:23:49 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我按图做的很好用]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1377841#1353343.html]]></link>
 <author><![CDATA[0760]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Thu, 04 Oct 2012 08:46:11 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[有时间自己做做看 [s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1377841#1351154.html]]></link>
 <author><![CDATA[周红军]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Thu, 27 Sep 2012 00:33:28 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我用560欧的电阻可以通信]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1377841#1351003.html]]></link>
 <author><![CDATA[zhenghong82]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Wed, 26 Sep 2012 12:21:13 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[原装的SC-09电缆的电阻是500欧。我自制用500欧1/4W电阻。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1377841#1336321.html]]></link>
 <author><![CDATA[长沙林工]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Sat, 01 Sep 2012 15:04:17 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[电阻阻值太大了吧？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1377841#1326720.html]]></link>
 <author><![CDATA[zhangwei3dia]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Sat, 18 Aug 2012 04:26:48 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我的换成2.2K的电阻还是不行啊，谁知道是上面原因吗]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1377841#1326625.html]]></link>
 <author><![CDATA[zhenghong82]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Sat, 18 Aug 2012 01:50:09 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[按照上面图纸接线，我用的3.3K电阻接上也不行，请问是什么问题]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1377841#1326390.html]]></link>
 <author><![CDATA[zhenghong82]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Fri, 17 Aug 2012 09:19:58 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[kan kan dian zu]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1377841#1323487.html]]></link>
 <author><![CDATA[chen6811]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Mon, 13 Aug 2012 00:06:46 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我的也能用，不过不稳定，当监视时会掉线死机]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1377841#1289743.html]]></link>
 <author><![CDATA[tangyq]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Sun, 17 Jun 2012 13:29:01 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[电脑&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;PLC
２　　　　－　　　４　　
３　　　　－　　　１
５　　　　－　　　２，３，６
８　　　　－　　　５，８
２－４，３－１这间可以接1K电阻限流，保护端口不容易烧坏，不接也要可以。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1377841#1281390.html]]></link>
 <author><![CDATA[qinchuangyi]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Mon, 04 Jun 2012 09:05:52 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我还没有自己接过~~~~有时间自己做做看！！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1377841#1280924.html]]></link>
 <author><![CDATA[linger]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Sun, 03 Jun 2012 14:38:16 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我用的是3.9K电阻,按图接线就是不行]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1377841#1276643.html]]></link>
 <author><![CDATA[zhangwanghua]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Mon, 28 May 2012 09:03:00 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[楼主图没错，我做过一根可以用，电阻用2.2K。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1377841#1275996.html]]></link>
 <author><![CDATA[hahahaha]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Sun, 27 May 2012 11:47:32 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[楼主的图没错，我做了两根都很好。只是电阻用了100欧的，7和8之间并了10O欧电阻，4与6脚没连。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1377841#1275627.html]]></link>
 <author><![CDATA[linyi]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Sun, 27 May 2012 00:34:03 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习了，不错]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1377841#1275597.html]]></link>
 <author><![CDATA[lei714]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Sat, 26 May 2012 22:57:10 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[PC端（RS232）&nbsp;&nbsp;FX2N PLC（RS422）
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2 ——4
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3 ——1
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1377841#1274600.html]]></link>
 <author><![CDATA[yjm]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Fri, 25 May 2012 07:50:58 +0000]]></pubdate>
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