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 <description><![CDATA[只读状态是不能写的。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-125483#1159108.html]]></link>
 <author><![CDATA[gkr_01]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Mon, 07 Nov 2011 17:23:43 +0000]]></pubdate>
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 <description><![CDATA[从电脑写程式到plc，提示“plc试图在rom运行方式下写入，rom运行方式下不能写入”啥原因呀？请教高手指点]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-125483#1158846.html]]></link>
 <author><![CDATA[weiyishan]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Mon, 07 Nov 2011 11:55:18 +0000]]></pubdate>
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 <description><![CDATA[绝对位置定位指令，一般用在步进电机控制，就是脉冲输出控制。D130里的数值是目标位置，D120是脉冲频率也就是速度，Y00脉冲输出地址也就是给步进输入，Y001是旋转方向控制。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-125483#1157837.html]]></link>
 <author><![CDATA[hexiangjin]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Sun, 06 Nov 2011 03:45:03 +0000]]></pubdate>
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 <description><![CDATA[绝对位置定位指令]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-125483#1157539.html]]></link>
 <author><![CDATA[ljb6688]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Sat, 05 Nov 2011 13:18:48 +0000]]></pubdate>
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