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 <title><![CDATA[急求帮助````急求帮助```]]></title>
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 <description><![CDATA[补充一点是功能块方式的指令.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17965#271817.html]]></link>
 <author><![CDATA[wwcwwc]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 26 Jul 2008 03:02:09 +0000]]></pubdate>
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 <description><![CDATA[2搂解释非常正确.是西门子指令.向2搂学习.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17965#271815.html]]></link>
 <author><![CDATA[wwcwwc]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 26 Jul 2008 03:00:12 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[长知识了!!!]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17965#271488.html]]></link>
 <author><![CDATA[周影]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 25 Jul 2008 13:01:45 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习　学习]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17965#271167.html]]></link>
 <author><![CDATA[hongyong]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 25 Jul 2008 07:14:20 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[又学习了！！！！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17965#271092.html]]></link>
 <author><![CDATA[xuyangv8]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 25 Jul 2008 04:43:23 +0000]]></pubdate>
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 <description><![CDATA[学习中，谢]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17965#270680.html]]></link>
 <author><![CDATA[buyiwuxi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 24 Jul 2008 12:23:26 +0000]]></pubdate>
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 <description><![CDATA[这些是西门子的指令，可参照西门子编程手册等。
MOV_B是字节传送
MOV_DW是双字传送
NETR NETW 是网络读、写指令
SBR_0等指的是子程序的名称
详见
[url]http://www.ymmfa.com/bbs/read.php?tid-4466.html[/url]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-17965#270523.html]]></link>
 <author><![CDATA[fjqz00]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 24 Jul 2008 09:06:58 +0000]]></pubdate>
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