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 <title><![CDATA[关于PLC主从站问题]]></title>
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 <description><![CDATA[Latest 50 replies of 关于PLC主从站问题]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[谢谢大家]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-93638#953022.html]]></link>
 <author><![CDATA[2004100519]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 09 Jan 2011 09:49:24 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[如果采用485连接，屏就要主站。一个屏可以同时和多个没有485通讯的PLC读写数据。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-93638#952721.html]]></link>
 <author><![CDATA[hardy_6817]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 09 Jan 2011 00:45:50 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[直接用通讯电缆连接就可以了...]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-93638#952609.html]]></link>
 <author><![CDATA[zzf125]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 08 Jan 2011 14:33:03 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[只有1台PLC的话，不存在主从站的问题，直接通讯就可以了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-93638#952549.html]]></link>
 <author><![CDATA[ysheng9099]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 08 Jan 2011 12:53:33 +0000]]></pubdate>
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 <description><![CDATA[西门子S7-200和威伦为例，用plc相应软件和触摸屏相应软件，编好程序相应下载，再用相应通讯电缆通讯即可！注意电脑到PLC编程电缆，电脑到触摸屏编程电缆，触摸屏到PLC通讯电缆不一样哦]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-93638#952445.html]]></link>
 <author><![CDATA[huixiaxuema]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 08 Jan 2011 11:23:09 +0000]]></pubdate>
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