[推荐]485HUB通讯转换器...

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt;"><b><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman">LF485HUB</font></span></b><span style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">是一款高性能的</span><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman">RS-485/422</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">总线分割集中器。</span><b><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman">LF485HUB</font></span></b><span style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">采用独特的<b>等位分差隔离技术</b>和高效的<b>总线分割集中技术</b>能有效解决工程布线中常见的地电位差异、阻抗匹配及雷击问题。用户可以轻易改善</span><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman">RS-485/RS-422</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">总线结构，分割网段，提高通信可靠性。当雷击或者设备故障产生时，出现问题的网段将被隔离，以确保其他网段的正常工作。</span><span lang="EN-US" style="COLOR: black;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt;"><b><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman">LF485HUB</font></span></b><span style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">的这一性能大大提高了现有</span><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman">RS-485/RS-422</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">网络的可靠性，有效缩短了网络的维护时间。合理的利用</span><b><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman">LF485HUB</font></span></b><span style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">可以助您设计出独特性格的</span><span lang="EN-US" style="COLOR: black;"><font face="Times New Roman">RS-485/RS-422</font></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">系统。</span></p><span style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;"><b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;"><p class="MsoNormal" align="center" style="BACKGROUND: #a6a6a6; MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center;"><b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">性能参数</span><span lang="EN-US"><p></p></span></b></p></span></b><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">端口数量：</span></b><span lang="EN-US"><font face="Times New Roman">1</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">个上位机端口、</span><span lang="EN-US"><font face="Times New Roman">4-8</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">个下位机端口。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">通信速率：</span></b><span lang="EN-US"><font face="Times New Roman">300-115200bps</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">传输距离：</span></b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">单口</span><span lang="EN-US"><font face="Times New Roman">3000</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">米，整机可覆盖</span><span lang="EN-US"><font face="Times New Roman">28</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">平方公里。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">驱动能力：</span></b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">单口</span><span lang="EN-US"><font face="Times New Roman">256</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">设备驱动能力，整机</span><span lang="EN-US"><font face="Times New Roman">2048</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">设备驱动能力。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">隔离电压：</span></b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">每口之间</span><span lang="EN-US"><font face="Times New Roman">3000V</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">隔离。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">浪涌保护：</span></b><span lang="EN-US"><font face="Times New Roman">3000W</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">浪涌保护能力。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">电源电压：</span></b><span lang="EN-US"><font face="Times New Roman">220VAC</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">供电，内置集成开关电源。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">接口保护：</span></b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">短路、开路保护。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">协议标准：</span></b><span lang="EN-US"><font face="Times New Roman">RS-232</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">、</span><span lang="EN-US"><font face="Times New Roman">RS-485</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">、</span><span lang="EN-US"><font face="Times New Roman">RS422</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b><span lang="EN-US"><p><font face="Times New Roman">&nbsp;</font></p></span></b></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt;"></p></span>

<p>&nbsp;该图为485HUB</p><p><a href="http://www.leadfair.com/small/cp_cn_74760.jpg"></a>&nbsp;</p>该图为485P