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 <title><![CDATA[DDC程序问题]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1402884.html]]></link>
 <description><![CDATA[Latest 50 replies of DDC程序问题]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <lastBuildDate><![CDATA[Fri, 01 May 2026 20:46:05 +0000]]></lastBuildDate>
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 <description><![CDATA[工控人家园]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[DDC是楼宇暖通系统控制器，IO主要为模拟量输入输出，当然也有数字量。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1402884#1422168.html]]></link>
 <author><![CDATA[gaokunjian]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 22 Mar 2013 07:17:17 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[谢谢楼主的分享]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1402884#1422138.html]]></link>
 <author><![CDATA[165519999]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 22 Mar 2013 04:58:26 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[没有使用过，来看看的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1402884#1358430.html]]></link>
 <author><![CDATA[ccy5156]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 14 Oct 2012 10:09:56 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[DDC相当于PLC的INPUT和OUTPUT，或者说模块，上位机（电脑）相当于CPU，使用组网]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1402884#1358192.html]]></link>
 <author><![CDATA[xuliuqing200]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 14 Oct 2012 00:37:53 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这是个典型的中央空调控制系统，使用PC做上位机。有通断点和模拟量点，比如压差报警（一般指过滤器）用通断点，正常为常开，输出一变量；压差到了，压差传感器闭合，输出另一变量；风门，电动阀用模拟量点，也是根据输入模拟量信号控制输出，修正]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1402884#1349732.html]]></link>
 <author><![CDATA[xuliuqing200]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 24 Sep 2012 08:53:14 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[做过ALC的 其他牌子没碰过]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1402884#1349705.html]]></link>
 <author><![CDATA[ryuingz]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 24 Sep 2012 08:20:48 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[ddcx比plc简单多了，从逻辑思维上]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1402884#1348653.html]]></link>
 <author><![CDATA[yamqq]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 22 Sep 2012 03:21:57 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[路过学习学习]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1402884#1348598.html]]></link>
 <author><![CDATA[健康报]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 22 Sep 2012 01:48:40 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这是瑞士索特自控公司的楼宇控制，可以参考[url]http://www.sauter.com/cn[/url]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1402884#1348453.html]]></link>
 <author><![CDATA[lochao]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 21 Sep 2012 12:54:08 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[路过的，给指点指点]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1402884#1348360.html]]></link>
 <author><![CDATA[shuchuang78]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 21 Sep 2012 09:15:12 +0000]]></pubdate>
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