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 <title><![CDATA[一般plc和变频器通讯用不用crc校验]]></title>
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 <description><![CDATA[Latest 50 replies of 一般plc和变频器通讯用不用crc校验]]></description>
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 <description><![CDATA[恩，谢谢指导啊，还是需要的，效验。但信捷PLC自动算出，很方便的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1556138#1838289.html]]></link>
 <author><![CDATA[dream321]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 22 Nov 2016 11:07:14 +0000]]></pubdate>
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 <description><![CDATA[[quote]引用第5楼dream321于2016-11-15 19:36发表的&nbsp;&nbsp;:
有点糊涂，到底要不要效验啊
RTU模式好用还是ASCII好用。
[/quote]……
RTU比较方便，程序中不用编写校验码部分]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1556138#1836215.html]]></link>
 <author><![CDATA[sun3751]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 15 Nov 2016 21:11:06 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[有点糊涂，到底要不要效验啊
RTU模式好用还是ASCII好用。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1556138#1836164.html]]></link>
 <author><![CDATA[dream321]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 15 Nov 2016 11:36:29 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[有些变频器可以设置无校验]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1556138#1835644.html]]></link>
 <author><![CDATA[工控tucao]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 14 Nov 2016 02:16:55 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[ASCII方式采用LRC校验，ＲＴＵ方式采用ＣＲＣ校验。 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1556138#1835631.html]]></link>
 <author><![CDATA[leechonghua]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 14 Nov 2016 01:11:39 +0000]]></pubdate>
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 <description><![CDATA[和变频器通从都要较验，因为变频器干扰太大了，如果用TCP可以不用较验，硬件自较验]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1556138#1835622.html]]></link>
 <author><![CDATA[yamqq]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 14 Nov 2016 00:48:18 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用ASCII方式时需要检验，用RTU方式时不需要检验]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1556138#1835598.html]]></link>
 <author><![CDATA[sun3751]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 13 Nov 2016 21:02:07 +0000]]></pubdate>
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