威胜电能量数据采集终端WFET-2000D可以采集多少台电能表?
威胜WFET-2000D采集终端是长沙威胜信息技术有限公司在多年专业ERTU研发应用的基础上,精心研制而成的一款高性能电能量数据采集终端,终端具有采集精度高、可靠性好、存储容量大、开放性好、操作简单、运行稳定、维护方便等特点。
◆ 主站通信接口
支持多种主站通信接口:
1〉 标准配置
1路10BaseT网卡(10Mbps),RJ45接口;
1路上传RS-485(9600bps,出厂默认配置为上传,可配置为抄表口或维护口);
1路拨号MODEM(V.92 300bps~56kbps自适应)。
2〉 可选配置
1路GPRS通信模块(此时不能再配拨号MODEM)。
◆ 电表通信接口
基本配置:1路抄表RS-485,最多可接32块电表,通讯速率1200bps-9600bps。
◆ 电表采集周期
1分钟~24小时根据数据类别可调,最小间隔1分钟。
◆ 电表规约库
DL/T 645-1997/2007(含威胜国标、华隆、华立、龙电、浩宁达、许继等)、威胜、浙江、IEC1107(含兰吉尔ZD/ZB、ELSTER、ISKRA)、EDMI、EMAIL、ABB(alpha)、ION、ACTARIS、DLMS/(IEC62056)、MODBUS等。
◆ 维护通信接口
1路RS-485,用于本地维护,可通过菜单操作配置为上传通道和抄表通道。
◆ 显示与键盘
160×160 LCD显示,全中文菜单式操作;6个按键。
◆ 存贮容量
采用大容量FLASH数据存储器(准配置32MB),数据断电可保存10年。
◆ 时钟误差与对时误差
高精度时钟芯片,时钟误差≤1s/d,断电连续运行10年;主站对时误差≤1s。
◆ 工作电源
高可靠性工业级交、直流开关电源模块,双路电源输入,自动无间隙切换,自适应无极性接入:
第1路:AC85V~AC285V(单相)或DC100V~DC375V;
第2路:AC150V~AC285V(单相)或DC150V~DC285V。
◆ 电磁兼容性能
抑制高频干扰、静电放电、快速瞬变干扰、雷击浪涌等指标都达到4级标准。
◆ 环境条件
1〉 工作环境
正常工作温度:-25℃~+60℃,极限工作温度:-30℃~+65℃;相对湿度:10%~100%;大气压:66~106kPa。
2〉 存储环境
存储温度:-35℃~70℃,相对湿度≤50%。
◆ 整机功耗
正常工作时,整机功耗≤5W。
◆ MTBF
MTBF≥100000小时。
◆ 终端结构
壁挂式结构,尺寸为:长×宽×高,270mm×183mm×90mm;密封式设计,ABS防水防紫外线阻燃材料,达到IP54防护标准
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