深圳市天地华杰科技有限公司北京公司

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt">产品型号: TD-1204

normal style="MARGIN: 0cm 0cm 0pt 47.25pt; TEXT-INDENT: -47.25pt; LINE-HEIGHT: 12pt; mso-char-indent-count: -4.5"> 

normal style="MARGIN: 0cm 0cm 0pt 47.45pt; TEXT-INDENT: -47.45pt; LINE-HEIGHT: 12pt; mso-char-indent-count: -4.5">产品简介: TD-1204 是一款光隔离数据通信集线器,通过特殊设计,将总线挂接式连接方式转变为RS-485/RS-422星型连接方式(TD-1204仅支持RS-485),该产品能够把一路RS-485总线分割为4路RS-485总线的集线器。它专为解决复杂电磁场环境下RS-485大系统要求而设计的，并提供灵活的RS-485/RS-422星型总线结构。各端口都具有短路、开路保护，在发生故障的时候，保证每一端口都自带隔离功能,起到互不干扰的效果。出现问题的端口将被隔离,以确保其它网段的正常工作.该集线器为RS-485总线大系统中带来了即方便又可靠的连接方法，是改变原有总线单一式结构的最佳选择！

normal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align=left>技术参数：

normal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 47.25pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-char-indent-count: 4.5; mso-pagination: widow-orphan" align=left>接口特性： 串口符合EIARS-232/485/422协议

normal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 47.25pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-char-indent-count: 4.5; mso-pagination: widow-orphan" align=left>电气接口:  串口接口位

normal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 47.25pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-char-indent-count: 4.5; mso-pagination: widow-orphan" align=left>传输介质： 超五类双绞屏蔽线或者485专用线

normal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 47.25pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-char-indent-count: 4.5; mso-pagination: widow-orphan" align=left>工作方式： 异步工作,点对点或多点,2线半双工

normal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 47.25pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-char-indent-count: 4.5; mso-pagination: widow-orphan" align=left>隔 离 度： 隔离电压3500V

normal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 47.25pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-char-indent-count: 4.5; mso-pagination: widow-orphan" align=left>传输距离： RS-485端value="1200" HasSpace="False" Negative="False" NumberType="1" TCSC="0" w:st="on">1200米,RS-232端建议不超过value="5" HasSpace="False" Negative="False" NumberType="1" TCSC="0" w:st="on">5米

normal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 47.25pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-char-indent-count: 4.5; mso-pagination: widow-orphan" align=left>尺    寸：  value="140" HasSpace="False" Negative="False" NumberType="1" TCSC="0" w:st="on">140L*130W*30H毫米

normal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 47.25pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-char-indent-count: 4.5; mso-pagination: widow-orphan" align=left>使用环境： 温度：value="20" HasSpace="False" Negative="True" NumberType="1" TCSC="0" w:st="on">-20℃－value="60" HasSpace="False" Negative="False" NumberType="1" TCSC="0" w:st="on">60℃，湿度：5％—95％

normal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 47.25pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-char-indent-count: 4.5; mso-pagination: widow-orphan" align=left>传输速率： 300bps—115200bps

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normal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 47.25pt; LINE-HEIGHT: 12pt; TEXT-ALIGN: left; mso-char-indent-count: 4.5; mso-pagination: widow-orphan" align=left>网络家电