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 <title><![CDATA[PLC如何进行年月日的加减]]></title>
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 <description><![CDATA[没有专用指令的话只有自己做程序计算，还要算闰年、不同月天数不同也要分类计算。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1562520#1856317.html]]></link>
 <author><![CDATA[lixianji_007]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 12 Jan 2017 06:05:44 +0000]]></pubdate>
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 <description><![CDATA[[quote]引用第1楼cvlsam于2017-01-11 20:48发表的&nbsp;&nbsp;:

 [attachment=163263]
[/quote]


这些指令只涉及到时分秒，年月日未涉及]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1562520#1856188.html]]></link>
 <author><![CDATA[hefei3903]]></author>
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 <pubdate><![CDATA[Thu, 12 Jan 2017 01:30:27 +0000]]></pubdate>
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 <description><![CDATA[楼上比较牛]]></description>
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 <author><![CDATA[zx19910914]]></author>
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 <pubdate><![CDATA[Thu, 12 Jan 2017 00:27:38 +0000]]></pubdate>
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 <description><![CDATA[关键是看PLC是否这样的指令]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1562520#1856156.html]]></link>
 <author><![CDATA[keven1]]></author>
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 <pubdate><![CDATA[Wed, 11 Jan 2017 22:50:49 +0000]]></pubdate>
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 <description><![CDATA[[quote]引用楼主hefei3903于2017-01-11 19:59发表的 PLC如何进行年月日的加减 :
将当前年月日数据减掉1天，比如2017/01/01减一天得到2016/12/31
该怎么计算？
[/quote]
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 <link><![CDATA[http://www.ymmfa.com/read-gktid-1562520#1856092.html]]></link>
 <author><![CDATA[cvlsam]]></author>
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 <pubdate><![CDATA[Wed, 11 Jan 2017 12:48:06 +0000]]></pubdate>
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