Johnson、Siemens等产品在中国市场占据了不小的份额...

<p><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">中国标准<span lang="EN-US">JGJ</span>／<span lang="EN-US">T16</span>—<span lang="EN-US">92</span>规定分站必须独立工作。与中央站无关。也意味着与其他任何网络节点无关</span></p><p><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">江森，<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">大型控制器<span lang="EN-US">NCU</span>可独立工作。<span lang="EN-US">DC9100</span>不能独立工作。因为它们连接在<span lang="EN-US">NCU</span>下面，由<span lang="EN-US">NCU</span>进行主从式控制。一旦<span lang="EN-US">NCU</span>故障，会影响<span lang="EN-US">DC9100</span>的工作。</span></span></p><p><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">西门子 <span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">大型控制器<span lang="EN-US">MBC</span>可独立工作。<span lang="EN-US">UC2</span>和<span lang="EN-US">DPU</span>不能独立工作。因为它们连接在<span lang="EN-US">MBC</span>下面。由<span lang="EN-US">MBC</span>进行主从式控制。一旦<span lang="EN-US">MBC</span>故障，会影响<span lang="EN-US">UC2</span>和<span lang="EN-US">DPU</span>的工作。</span></span></span></p>

<p>他们 都是这样的 一个主CPU 外加端口&nbsp; 不是真正的分布控制系统</p><p>他们很能说的&nbsp; 我碰到一个杭州工程商&nbsp; 被忽悠的头晕的</p>