菜鸟求教：LonWorks技术及BACnet技术以及DDC控制器...

<p><a name="OLE_LINK9"></a>1.<a name="OLE_LINK8"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New="New"  Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"><span style="mso-bookmark: OLE_LINK9">LonWorks</span></span></a>技术是基于<span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New="New"  Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">LonTalk</span>协议的，那是不是不同厂家的DDC，但通讯方式为<a name="OLE_LINK8"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New="New"  Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"><span style="mso-bookmark: OLE_LINK9">LonWorks</span></span></a>，那是不是这些DDC可以混用啊？如果不能，那又时为什么呢？</p>
<p>2.<font face="Verdana">BACnet技术底下有6中协议：</font><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">BACnet/IP、</span><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">Enthernet(</span><span style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">以太网<span lang="EN-US">)、</span></span><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">ARCNET、</span><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">MS/TP、</span><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: Arial">PTP(</span><span style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">点到点</span><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: Arial">)、</span><a name="OLE_LINK6"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New="New"  Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">LonTalk</span></a>，那是不是意味着不同DDC，因为通讯协议不同，就不能混用？哪些协议是应用较为广泛的？</p>
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<p>向各位大虾求教了～～～～</p>

理论上不行，除非有带协议转换器

<div class="quote"><b>以下是引用<i>realjay123</i>在2010-10-1 11:22:00的发言：</b><br/>
<p><a name="OLE_LINK9"></a>1.<a name="OLE_LINK8"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times new=" AR-SA? mso-bidi-language: ZH-CN; mso-fareast-language: EN-US; mso-ansi-language: Roman?; New?><span style="mso-bookmark: OLE_LINK9">LonWorks</span></span></a>技术是基于<span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times new=" AR-SA? mso-bidi-language: ZH-CN; mso-fareast-language: EN-US; mso-ansi-language: Roman?; New?>LonTalk</span>协议的，那是不是不同厂家的DDC，但通讯方式为<a name="OLE_LINK8"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times new=" AR-SA? mso-bidi-language: ZH-CN; mso-fareast-language: EN-US; mso-ansi-language: Roman?; New?><span style="mso-bookmark: OLE_LINK9">LonWorks</span></span></a>，</p>
<p>这些DDC可以混用</p>
<p>2.<font face="Verdana">BACnet技术底下有6中协议：</font><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">BACnet/IP、</span><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">Enthernet(</span><span style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">以太网<span lang="EN-US">)、</span></span><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">ARCNET、</span><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">MS/TP、</span><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: Arial">PTP(</span><span style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: 宋体">点到点</span><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-font-kerning: 0pt; mso-bidi-font-family: Arial">)、</span><a name="OLE_LINK6"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times new=" AR-SA? mso-bidi-language: ZH-CN; mso-fareast-language: EN-US; mso-ansi-language: Roman?; New?>LonTalk</span></a>，那是不是意味着</p>
<p>&nbsp;</p>
<p>不同DDC，因为通讯协议不同，就不能混用向各位大虾求教了～～～～</p></div>
<p></p>

LonWork是收费的协议成本高，通讯稳定性好
BACnet免费的不过设备都很垃圾

<p>坐等名师指点</p>

<p><font face="Verdana" color="#61b713"><b>zhl3552</b></font> 说法很奇怪，BACnet是国际ISO标准，现在行业前面的几大家都主推BACnet产品。</p>
<p>BACnet是主流协议。常用的是BACnet MSTP或BACnet IP.</p>
<p>&nbsp;</p>
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