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 <title><![CDATA[关于PLC选扩展单元]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-109690.html]]></link>
 <description><![CDATA[Latest 50 replies of 关于PLC选扩展单元]]></description>
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 <description><![CDATA[可以，PLC接什么输出都可以，PLC内部只认端口，不认是什么类型的输出，不过这样实际应用不好，容易搞错烧触点]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-109690#1066365.html]]></link>
 <author><![CDATA[圆家人控工]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 10 Jun 2011 13:11:03 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21] 学习了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-109690#1066355.html]]></link>
 <author><![CDATA[zhangxueping]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 10 Jun 2011 13:05:43 +0000]]></pubdate>
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 <description><![CDATA[主机是晶体管的应该不影响扩展机是晶体管还是继电器的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-109690#1066326.html]]></link>
 <author><![CDATA[wjm0426]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 10 Jun 2011 12:51:40 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[看情况而定]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-109690#1066169.html]]></link>
 <author><![CDATA[c陈建国]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 10 Jun 2011 10:24:24 +0000]]></pubdate>
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 <description><![CDATA[主要看PLC是否支持扩展，支持就木油问题，不支持或已经满了则另想办法。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-109690#1066073.html]]></link>
 <author><![CDATA[shaolinsi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 10 Jun 2011 08:45:56 +0000]]></pubdate>
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 <description><![CDATA[可以啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-109690#1066004.html]]></link>
 <author><![CDATA[hxl202319]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 10 Jun 2011 07:36:32 +0000]]></pubdate>
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