2098-DSD-HV030-DN

2098-DSD-HV030-DN

2098-DSD-HV030-DN

2098-DSD-HV030-DN

2098-DSD-HV030-DN

 分项计量电表通过RS485 串行通讯端口接入到数据采集网关。每个数据采集网关提供多个半双工RS485 端口，每个端口与一个分项计量电表连接，采用主-从方式进行通讯。

《联系人；欧先生》
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《传真：0592-5917519》
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1. 3 Acrel5000能耗系统方案设计

   Acrel5000能耗统由现场数据采集系统、远程传输网络、电能监测中心 3 部分组成。其中，现场数据采集系统由末端电能计量装置和数据采集网关组成，构成建筑内部的监测传输网络；远程传输网络是指实现建筑现场计量装置与远程电能监测中心的数据通信网络；电能监测中心由数据库服务器、web 服务器等组成，完成能耗数据的动态监测及分析处理工作。







图2 能耗管理系统图




2 能耗管理系统具体环节介绍

2.1 电能数据计量设备

   针对集中安装的应用场合，客户不便于靠近仪表插卡充值，设计开发了终端充值预付费售电管理系统。系统由主站软件、读卡器、充值终端及DDSY1352-NK、DTSY1352-NK内控型预付费电能表组成。充值终端接收卡内信息并将其通过485通信下发给仪表完成对仪表的充值。相当于将插卡式预付费电能表的读卡部分转移到集中安装的电井外面方便客户查询充值。本系统适用于电能表集中安装对业主不开放、需要自助查询；电能数据计量设备一般由带有数字输出接口的远程传输型单相DDSD1352或三相电能表DTSD1352组成。该电表必须满足DL/645 规约和RS485串行通信接口。为满足对数据采集实时性的要求，每个计量电表都单独使用一个串行端口， 即计量电表接入现场数据采集网关。

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