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 <title><![CDATA[请教：PPI电缆类型选择、通讯距离问题]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-50516.html]]></link>
 <description><![CDATA[Latest 50 replies of 请教：PPI电缆类型选择、通讯距离问题]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <lastBuildDate><![CDATA[Thu, 07 May 2026 21:46:16 +0000]]></lastBuildDate>
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 <title><![CDATA[工控人家园]]></title>
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 <description><![CDATA[工控人家园]]></description>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[呵呵，小女子在此谢谢楼上的各位XDJM [s:21]&nbsp;&nbsp;]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-50516#684883.html]]></link>
 <author><![CDATA[sdwm10000]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 07 Dec 2009 04:37:55 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[楼主所提出的问题，建议楼主先去“百度一下”或者“谷歌”一下，最后告诉楼主：一分钱一分货，又好又便宜的东西极少，至于带适配器的串口电缆和不带适配器的串口电缆有什么区别？很简单，信号隔离和不隔离的区别。祝你好运！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-50516#675066.html]]></link>
 <author><![CDATA[回忆依然最美]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 23 Nov 2009 12:27:02 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我建议最好用西门子原装的，性能稳定，速度快。价钱就是贵了些。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-50516#673843.html]]></link>
 <author><![CDATA[hf147131082]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 21 Nov 2009 10:48:15 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[触摸屏和PLC通讯价格上希望便宜点的质量就差点了,很多牌子的,
触摸屏:威伦,海泰可,台达.都较便宜&nbsp;&nbsp;三菱,HAKKO.西门子就贵点.但质量就好些]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-50516#673786.html]]></link>
 <author><![CDATA[peidegin]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sat, 21 Nov 2009 08:44:42 +0000]]></pubdate>
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