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 <title><![CDATA[s7-300 断电后程序经常丢]]></title>
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 <description><![CDATA[Latest 50 replies of s7-300 断电后程序经常丢]]></description>
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 <description><![CDATA[只用过315和314,都带存储卡的.不能帮你了.

可以按4楼说的查一下,或者给西门子客服咨询,他们的客服还是比较有耐心的,就是你得先登记,最好把问题登记清楚,再等个1天半天的.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-30163#430839.html]]></link>
 <author><![CDATA[tomyi]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 12 Feb 2009 02:09:17 +0000]]></pubdate>
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 <description><![CDATA[S7-318等系列的是需要程序后备电池的。 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-30163#430138.html]]></link>
 <author><![CDATA[guochunyi]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 11 Feb 2009 03:02:46 +0000]]></pubdate>
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 <description><![CDATA[什么型号的PLC，还需要电池呀！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-30163#429972.html]]></link>
 <author><![CDATA[以恒]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 10 Feb 2009 14:34:17 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[按理来说,没有什么异常PLC断电不会丢失程序,丢失程序要么是电池供电有问题,要么是EPROM有故障.建议有条件换一块同类型PLC试试是否有此问题.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-30163#429857.html]]></link>
 <author><![CDATA[zz680217]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 10 Feb 2009 11:25:09 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[要装储存卡]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-30163#429531.html]]></link>
 <author><![CDATA[yyhexf]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 10 Feb 2009 02:23:20 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[把程序存在卡中]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-30163#429245.html]]></link>
 <author><![CDATA[silu2008]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 09 Feb 2009 11:40:37 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[自己顶一下]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-30163#428731.html]]></link>
 <author><![CDATA[飞天飞天]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 08 Feb 2009 13:01:06 +0000]]></pubdate>
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