DT(S)SDE型多功能电能表说明书

6 注意事项
附录 1:显示代码定义 附 1.1 电能量 附 1.2 最大需量及发生时间 附 1.3 实时数据 附 1.4 失压、欠压、过压和断相事件 附 1.5 失流、过流和断流事件 附 1.6 潮流反向、过载和逆相序事件 附 1.7 电压不平衡和电流不平衡事件 附 1.8 总功率因数超下限事件 附 1.9 全失压事件 附 1.10 掉电记录 附 1.11 超需量事件记录 附 1.12 校时记录 附 1.13 数据清零记录 附 1.14 开盖记录
需量及分时最大需量，以及最大需量发生的日期和时间；能测量各相电压、电流、功率因数、
有功功率、无功功率、视在功率及三相总有功功率、总无功功率、总视在功率、功率因数和
频率等；能检测并记录各相失压、失流、断相、反向、过载、过流、过压、欠压、断流、逆
相序等事件；能检测备用电池电压和监测负荷情况；能实现远程和红外抄表、编程、监测和
按照需量周期进行需量测量，当第一个需量周期完成后，按滑差间隔开始最大需量测量。在 一个不完整的需量周期内，不做最大需量的记录。
能存储 12 个结算日最大需量数据。
3
深圳市科陆电子科技股份有限公司
三相电子式多功能电能表
2.3 时钟、时段及费率功能 采用具有温度补偿功能的内置硬件时钟电路，具有日历、计时和闰年自动切换功能。内
2
深圳市科陆电子科技股份有限公司
三相电子式多功能电能表
1.3.4 停电抄表及全失压监测电池
标称电压：3.6V
标称容量：≥1.20Ah
工作温度范围：-60℃～+85℃
1.3.5 光耦脉冲输出
脉冲输出常数
脉冲常数与规格有关，具体数值见电能表铭牌
脉冲输出宽度
80ms
1.3.6 其它数据

068DTSD1352(DTSF1352)三相电子式多功能电能表安装使用说明书V1.0上海安科瑞电气股份有限公司1概述DTSF1352三相电子式电能表与DTSD1352三相电子式多功能电能表主要用于计量低压网络的三相有功电能，并可选配RS485通讯功能，方便用户进行用电监测、集抄和管理。

产品具有精度高、体积小、安装方便等优点。

可灵活安装于配电箱内，实现对不同区域和不同负荷的分项电能计量，统计和分析。

DTSD1352作为多功能电能表同时可进行电压、电流、功率等电量的测量，以及无功电能计量。

2主要功能功能功能说明DTSD1352DTSF1352电能计量有功电能计量（正、反向）■■无功电能计量（正、反向）■A、B、C分相正向有功电能■电量测量U、I■■P、Q、S、PF、F■LCD显示8位段式LCD显示■■按键编程4按键可编程通信、变比等参数■■脉冲输出有功脉冲输出、时钟脉冲输出■■无功脉冲输出□（与时钟复用）LED报警失压及数据校验失败报警■■复费率及附带功能支持4个时区、2个时段表、8个日时段、4个费率□□四种最大需量及发生时间□上12月历史冻结数据□□（无需量）日期、时间□□通讯RS485接口，同时支持Modbus、DL/T645-07、DL/T645-97□□(■：标配；□：可选)3技术参数5接线与安装三相四线经互感器接入三相四线直接接入ABC三相三线经互感器接入三相三线直接接入通讯及脉冲输出端子注：11、12为时钟与无功脉冲复用端子，默认为时钟脉冲输出。

6操作与显示6.2显示界面上电后显示正向有功电能。

可通过三类查看键实现翻屏显示。

各类显示界面顺序说明如下：A相电压、B相电压、C相电压、A相电流、B相电流、C相电流、频率、日期、时间、通信地址、软件版本号、全显检测；A相有功功率、B相有功功率、C相有功功率、总有功功率、A相无功功率、B相无功功率、C相无功功率、总无功功率、A相视在功率、B相视在功率、C相视在功率、总视在功率、A相功率因数、B相功率因数、C相功率因数、总功率因数、正向有功最大需量、反向有功最大需量、正向无功最大需量、反向无功最大需量；：正向有功总电能、反向有功总电能、正向无功总电能、反向无功总电能、正向有功尖电能、正向有功峰电能、正向有功平电能、正向有功谷电能、反向有功尖电能、反向有功峰电能、反向有功平电能、反向有功谷电能、正向无功尖电能、正向无功峰电能、正向无功平电能、正向无功谷电能、反向无功尖电能、反向无功峰电能、反向无功平电能、反向无功谷电能、A相正向有功电能、B相正向有功电能、C相正向有功电能。

DTSD/DSSD1088 E3型三相电子式多功能电能表产品说明书深圳华立南方电子技术有限公司目录一、概述 (1)二、规格型号 (1)三、主要技术指标 (2)四、主要功能 (3)五、仪表的外形和安装 (7)六、液晶显示说明 (10)七、编程以及抄表说明 (13)八、仪表的贮存和质量保证 (13)1.概述DTSD/DSSD1088 E3型三相电子式多功能电能表（以下简称“仪表”）是我公司为了适应我国电网改造，适应电网自动化的需要而自主开发的具有通讯功能的全电子式多功能仪表。

该表采用大规模集成电路，应用数字采样处理技术及SMT工艺，根据工业用户实际用电状况所设计、制造的具有现代先进水平的仪表。

该表性能指标符合DL/T614 --1997《多功能电能表》和DL/T645 --1997《多功能电能表通讯规约》电力行业标准对多功能电能表的各项技术要求。

该表能计量各个方向的有功无功电量及需量，并具有485通讯、手动及红外停电唤醒、负荷记录等功能，它性能稳定、准确度高、操作方便。

2.规格型号型号规格精度等级电压规格电流规格有功精度等级无功精度等级DTSD1088 3×57.7/100V3×0.5(2)A3×1(2)A3×1.5(6)A3×3(6)A3×5(6)A有功1级有功0.5S级无功2级3×220/380V3×0.5(2)A3×1(2)A3×1.5(6)A3×3(6)A3×5(6)A3×5(20)A3×10(40)A3×15(60)A3×20(80)A3×30(100)A有功1级有功0.5S级无功2级注：可根据用户需要制造适应其个性化需求的特殊规格的表。

3. 主要技术指标3.1 工作电压正常工作电压： 0.9Un ～1.1Un极限工作电压： 0.75Un ～1.15Un3.2 气候条件正常工作温度范围： -20℃～+45℃极限工作温度范围： -30℃～+60℃存贮和运输温度范围： -40℃～+70℃存储和工作湿度： ≤85%RH3.3 费率工作参数日计时误差： ≤0.5s/d(21℃～25℃)电池容量： ≥1000mAh停电后数据保存时间： ≥10年(用新电池)3.4 电池电压数据备份电池电压： 3.6V DC停电抄表电池电压： 6.0V DC (可选)3.5 功耗电压线路功耗： ≤2W 和5VA电流线路功耗： ≤2.5VA型号规格 精度等级 电压规格电流规格 有功精度等级 无功精度等级DSSD10883×100V 3×0.5(2)A 3×1(2)A 3×1.5(6)A 3×3(6)A 3×5(6)A 有功1级 有功0.5S 级 无功2级3.6 技术参数费率数： 4时段数： 10计度范围： 0～999999.99kWh, 0～999999.99kVarh显示：液晶通讯波特率： RS485①接口 1200bps～9600bpsRS485②接口抄表 1200 bps （可选）红外接口 1200bps通讯规约：《DL/T645-1997多功能电能表通信规约》3.7 额定频率： 50Hz3．8 起动电流：有功 0.001In (0.5S级) 0.002In(1级)无功 0.003In (2级)3.9 潜动：具有防潜动逻辑设计3.10 重量：约1.8kg3.11 外形：250mm⨯150mm⨯72mm4. 主要功能4.1 电能计量功能：有功正、反向以及无功正、反向各费率及总电能计量；无功四象限电能计量。

DT/SSD666型三相电子式多功能电能表使用说明书ZTY0.464.501浙江正泰仪器仪表有限责任公司二0一0年三月目录目录 .................................................................... 错误！未定义书签。

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DT（S）SD178-E 嵌入式安装电能表目录1.概述 (1)2.产品规格 (2)3.技术参数 (2)4.安装与接线 (7)4.1 安装外形图及接线图·················································································- 7 -4.2 安装注意事项及方法·················································································- 16 -5.使用说明 (17)5.1面板格式······································································································- 17 -5.2功能说明······································································································- 18 -5.3显示说明······································································································- 24 -5.4 通信说明·····································································································- 37 -5.5参数设置······································································································- 50 -5.6注意事项······································································································- 53 -6.典型应用 (54)7.保修期限 (55)8.技术支持 (55)1.概述概述DT（S）SD178-E嵌入式安装电能表（嵌入式安装数字显示电测量仪表）是烟台东方威思顿电气有限公司集多年的电表设计经验，所推出的新一代微型电测量仪表。

多功能电力仪表使用手册使用手册USER MANUAL目录一、多功能电力仪表使用手册 (2)1、概述 (2)2、技术参数 (2)3、编程和使用 (3)测量显示 (3)编程操作 (5)4、通迅 (10)通迅报文举例 (11)MODBUS地址信息表 (11)5、功能输出 (13)二、多功能三相电压、三相电流、有功电度、无功电度表使用手册 (14)1、概述 (14)2、使用 (14)三、多功能有功电度、无功电度使用手册 (16)4、概述 (16)5、使用 (16)四、多功能三相电流、有功电度表使用手册 (18)1、概述 (18)2、使用 (18)五、接线图 (19)120*120接线图 (20)96*96接线图 (21)80*80接线图 (22)72*72接线图 (23)六、常见问题及解决方法： (24)多功能电力仪表--使用手册一、概述多功能电力仪表是一种具有可编程测量、显示、数字通讯和电能脉冲输出等功能的多功能电力仪表,能够完成电量测量、电能计量、数据显示、采集及传输，可广泛应用变电站自动化，配电自动化、智能建筑、企业内部的电能测量、管理、考核。

测量精度为0.5级、实现LED 现场显示和远程RS-485数字接口通讯，采用MODBUS-RTU通讯协议。

外形代号外形尺寸（mm）测量显示辅助功能42方形120*120*112 相电压、线电压、电流、总有功功率、总无功功率、总功率因素、总视在功率、频率、有功电能、无功电能3排LED分页显示电能脉冲输出数字通讯96方形96*96*1126方形80*80*76数字通讯72方形72*72*105性能参数输入测量显示网络三相三线、三相四线电压额定值AC100V、400V（订货时说明）过负荷持续：1.2倍瞬时：10倍/10s功耗<1VA（每相）阻抗>500kΩ精度RMS测量，精度等级0.5电流额定值AC1A、5A（订货时请说明）过负荷持续：1.2倍瞬时：10倍/10s功耗<0.4VA(每相)阻抗<2mΩ精度RMS测量，精度等级0.5频率40~60Hz，精度0.1Hz功率有功、无功、视在功率，精度0.5级电能四象限计量，有功精度0.5级，无功精度1级显示可编程、切换、循环（LED）显示电源频率AC/DC 85~270V 功率≤5VA输出电能RS-485、MODBUS-RTU协议显示2路电能脉冲输出，光耦继电器（6方形、72方形除外）环境工作范围-10~55℃功耗-20~75℃安全耐压输入/电源>2kV，输入/输出>2kV，电源/输出>1kV 绝缘输入、输出、电源对机壳>5MΩ1）辅助电源：多功能电力仪表具备通用的(AC/DC)电源输入接口，若不作特殊声明，提供的是AC/DC85~270V电源接口的标准产品，保证所提供的电源适用于该系列的产品，以防止损坏产品。

使用说明书目录一、产品简介1.1 工作原理 (1)1.2 技术指标 (2)1.3产品规格 (3)二、外形说明及安装2.1 外形图 (3)2.2 液晶显示内容 (4)2.3 电表的安装及接线 (5)三、基本功能3.1 计量功能 (7)3.2 时间（费率）及历史数据管理 (10)3.3 事件记录 (12)3.4 电表可设置内容 (12)3.5 通讯 (13)3.6 停电唤醒功能 (13)3.7 多功能检测输出功能 (13)3.8 背光功能 (13)3.9 报警及错误管理 (13)3.10 故障报警显示 (14)四运输与贮存4.1 运输 (16)4.2 贮存 (16)五保修与服务附录：附录A：显示通信标识列表 (16)一、产品简介DSSD/DTSD 电能表是我公司自主开发生产的电子式多功能电能表，本产品采用国际先进的超低功耗大规模集成电路技术及SMT 先进制造工艺，具有计量精度高、性能稳定、高质量、极好的EMC 性能等特性。

具有计量正、反有功电能、四象限无功电能，记录四种费率的分时电能和电表运行过程中的各种事件记录（电压、电流、功率因数、负荷、需量、以及编程等事件）的功能。

具有红外通讯和双路RS485通讯功能。

备有停电抄表电池，能够实现停电红外抄表功能。

该表性能指标符合GB/T17215.321-2008《1级和2级静止式交流有功电能表》、GB/T17883-1999《0.2级和0.5S 级静止式交流有功电能表》国家标准和DL/T614-1997《多功能电能表》标准对多功能电能表的各项技术要求，其通信符合DL/T645-1997《多功能表通信规约》的要求。

1.1工作原理该三相多功能电能表是由测量单元和数据处理单元等组成，除计量有功（无功）电能量外，还具有分时、测量需量等两种以上功能，并能显示、储存和输出数据的电能表。

工作原理框图如图1所示：由计量单元和数据处理单元（CPU ）、LCD 、红外通讯口、双RS485通讯、RS232通讯口等组成，电能表工作时，模拟信号（电压、电流）经计量芯片处理后变成数字信号，CPU 进行运算处理后存储数据。

四、扩展功能 4.1 每月(结算)正向有功用电量记录功能.…………………………………………………………….16 4.2 时区结束正向有功电能冻结功能………………………………………………………………….16 4.3 负荷代表日整点有功电能记录…………………………………………………………………….16 4.4 负荷曲线记录功能………………………………………………………………………………….16 4.5 RS485 通讯接口和红外通讯口……………………………………………………………. ……...16 4.6 停电唤醒功能……………………………………………………………………………………….16 4.7 三相无电压时电流检测功能……………………………………………………………………….16
DSSD51/DTSD51 E×型三相电子式多功能电能表
说明书
5.2.2 抄表说明……………………………………………………………………………………….21
1) 开机说明……………………………………………………………………………………..21
2) 抄表操作步骤………………………………………………………………………………..21
八、运输和储存……………………………….. ………………………………………………………….28
九、保证期限……………………………….. …………………………………………………………….28
附录 附录 A 附录 B 附录 C
内部参数及状态（控制）字说明………………………………………………………………29 遥控器的使用…………………………………………………………………………………....32 功能附录表……………………………………………………………………………………....33

DT(S)S986三相电子式有功电能表产品安装使用说明书1.概述DT（S）S型三相电子式电能表，使用在供电部门、工厂、企业、商业、农业的动力、照明设备的有功电能计量，该表采用进口专用大规模集成电路，16位A/D转换、数字乘法器、数字采样处理技术及SMT工艺，根据工业用户实际用电状况所设计、制造的新型电能仪表。

用于计量频率为50Hz的交流三相有功电能,并电量采用液晶显示，读数直观便于抄表,本仪表可扩展红外和RS485通讯功能，为三相电能测量提供先进、可靠的计量工具。

该表采用的计量模块能精确地测量三相正反双向有功电能。

计量准确、稳定、可靠、具有良好的抗电磁骚扰、低功耗、高准确度、防窃电、宽量程、长寿命等特点。

本仪表符合标准DL/T 645-1997《多功能表通讯规约》和GB/T 17215-2002《１级和２级静止式交流有功电能表》以及IEC 61036:2000。

2. 工作原理本电能表采用三相供电方式，并在任一单相供电情况下都能正常工作。

电能表工作时，电压、电流经取样电路分别取样后，送至大规模专用集成电路缓冲放大，再由16位A/D转换器转换成数字信号，经数字乘法器运算后，转换成和电能大小成正比的脉冲，驱动计度器进行电能累加和驱动脉冲指示灯，并输出脉冲，供计量。

3.3.1 规格型号不平衡负载各电流点的百分数误差极限为1级表±2.0，2级表±3.0。

3.3 起动在参比电压、参比频率及功率因数为1.0的条件下，负载电流为0.004Ib(1级)、0.005Ib(2级)仪表应能起动，并连续计量电能。

3.4 潜动电压回路加1.15倍的参比电压，电流线路中无电流时，仪表的测试输出不应产生多于一个的脉冲。

3.5 工作电压范围正常工作电压：0.9Un～1.1Un极限工作电压：0.0Un～1.15Un3.6 功耗电压线路功耗：≤2W(10VA)电流线路功耗：≤4.0VA3.7 环境条件正常工作温度：-10℃～+45℃,工作极限温度：-25℃～+55℃,存贮和运输温度：-25℃～+70℃相对湿度：年平均≤75%3.8 外形尺寸：228mm×145mm×72mm；3.9 重量：约1.5kg；3.10安全性能：产品符合GB/T 17215-2002规定的各项安全指标和要求。

【概述】1、DT(S)SD22C01型三相电子式多功能电能表是采用先进的专用集成电路设计，表面贴装SMT、热风回流焊和纯水清洗工艺制造。

电能表的线路设计和元器件选择以较大的环境允差为依据，保证整机长期稳定工作，高精度、高过载、宽量程、低功耗，可靠性高。

2、适用范围：计量额定频率为50Hz的交流三相有功、无功电量并实现有功、无功电量分时计量。

3、主要功能：（1）计量正反向有功、无功总电量和分时电量。

（2）计量正反向有功、无功总最大需量以及各费率最大需量。

（3）记录失压、失流、编程、需清、来电、停电、电量复零、电量冻结等事件。

（4）实时电压、电流、有功功率、无功功率、功率因数、电网频率测量。

（5）可通过全隔离RS-485口、远红外口进行编程、抄表。

（6）具有故障自检测功能。

（7）具有停电抄表功能。

（8）电池欠压检测。

（9）其它功能：可存储12个结算周期的电量数据和3个结算周期的最大需量数据，带背光功能的大液晶汉字显示屏显示，功能齐全，操作简单，使用方便。

第1页4、采用国家电力部发布的标准DL/T645—1997《多功能电能表通信规约》，全隔离标准RS-485通信口可与采用上述标准的集抄设备相配。

5、红外通信符合国际电工委员会标准IEC62056－21（2002）《直接本地数据交换》中关于数据通信的要求。

6、本产品符合GB/T17883-1999标准中0.5S级电能表及GB/T17215-2002《1级和2级静止式交流有功电能表》、GB/T17882-1999《2级和3级静止式交流无功电度表》、DL/T 614-1997《多功能电能表》的全部技术要求。

【规格参数】1、规格：注：本公司可根据客户需求定制特殊规格的电表第2页2、主要技术参数：（1）基本误差：0.5级、1.0级有功和2.0级无功电能表百分数误差限第3页第4页（2）电气参数（参比条件下测得）: 精度等级：有功0.5S 级、1.0级 无功2.0级起动电流：（如下表）括号内电流值适用于经互感器接通的电能表 功耗：电压回路<1.5W/相 5.0VA/相 电流回路<1.0VA/相 潜动：具有逻辑防潜动电路 频率范围：50Hz ±5% 时钟误差：≤0.5秒/天 电池使用时间：>10年 掉电数据存储时间 ： > 20年 极限温度： –30℃ ~ +65℃ 环境湿度： ≤ 85%【功能介绍】1、复费率功能：（1）年时区数：电能表最多可设10个时区，不足10个时，剩余的可不设，每个时区可任选一个日时段表。

DT（S）SD178-E 嵌入式安装电能表目录1.概述 (1)2.产品规格 (2)3.技术参数 (2)4.安装与接线 (7)4.1 安装外形图及接线图·················································································- 7 -4.2 安装注意事项及方法·················································································- 16 -5.使用说明 (17)5.1面板格式······································································································- 17 -5.2功能说明······································································································- 18 -5.3显示说明······································································································- 24 -5.4 通信说明·····································································································- 37 -5.5参数设置······································································································- 50 -5.6注意事项······································································································- 53 -6.典型应用 (54)7.保修期限 (55)8.技术支持 (55)1.概述概述DT（S）SD178-E嵌入式安装电能表（嵌入式安装数字显示电测量仪表）是烟台东方威思顿电气有限公司集多年的电表设计经验，所推出的新一代微型电测量仪表。

DTSD1277型DSSD1277-B型三相电子式多功能电能表使用说明书安装、使用产品前请阅读使用说明书石家庄科林自动化有限公司目录1概述.................................................................................................................................... 错误！未定义书签。

2工作原理............................................................................................................................ 错误！未定义书签。

3技术参数............................................................................................................................ 错误！未定义书签。

3.1主要型号 ............................................................................................................................... 错误！未定义书签。

3.2主要技术参数 ....................................................................................................................... 错误！未定义书签。

3.3抄表及全失压电池 ............................................................................................................... 错误！未定义书签。

DSSD/DTSD型三相电子式多功能电能表产品说明书（国标）1.2技术指标 (1)1.3工作原理 (2)二、外形说明及安装 (3)2.1外形图 (3)2.2液晶显示屏内容 (4)2.3电表的安装及接线 (5)三、基本功能 (8)3.1电能计量功能 (8)3.2最大需量记录功能 (9)3.3复费率功能 (9)3.4失压和断相记录功能 (11)3.5失流记录功能 (12)3.6过压记录功能 (13)3.7欠压记录功能 (14)3.8过流记录功能 (14)3.9数据轮显功能 (14)3.10按键显示功能 (17)3.11停电、来电记录功能 (17)3.12编程、需量清零、广播校时记录功能 (17)3.13报警功能 (18)3.14编程功能 (19)3.15其它功能 (20)3.16电压合格率记录功能 (21)四、扩展功能 (22)4.1每月(结算)正向有功用电记录功能 (22)4.2电能冻结功能 (22)4.3时区结束正向有功电能冻结功能 (22)4.4负荷代表日整点有功电能记录 (22)4.5停电唤醒功能 (22)4.6多功能检测输出1口功能 (22)4.7多功能检测输出2口功能 (23)4.8独立的双485通讯接口和红外通讯口 (23)4.9背光功能 (23)4.10三相无电压时电流检测功能(可选功能) (23)4.11开盖记录功能(可选功能) (23)4.12负荷曲线记录功能(可选功能) (23)4.13事件包记录功能 (24)附录A 内部参数及状态(控制)字说明............................................................................ 错误！未定义书签。

附录B 红外遥控器使用说明 .......................................................................................... 错误！未定义书签。

1.2 主要功能
功能 有功 无功
型号
正向有功(分时) 反向有功(分时) 1～12 月用电量 正向无功(分时) 反向无功(分时) 四象限无功
DTSD568（B 型） DSSD566（B 型）
有功最大需量
无功最大需量
零点电量冻结
即时电量冻结
失压记录
失流记录
电压合格率
负荷代表日
整 7 类点负电荷能曲记线录
第7位 第6位 第5位 第4位 第3位 第2位 第1位 第0位
第0位 第1位 第2位 第3位
I 象限无功计量方式： II 象限无功计量方式： III 象限无功计量方式： IV 象限无功计量方式：
0—正向无功，1—反向无功 0—正向无功，1—反向无功 0—正向无功，1—反向无功 0—正向无功，1—反向无功
3.9 事件记录功能
3.9.1. 失压记录功能
失压记录由失压判断方式和失压条件综合进行判断，满足该条件时分别记录总、A、B、C 相失 压发生时间、失压次数、失压累计时间及失压期间的正反向有功、无功总电能，并能够记录最近 9 次失压相记录（失压相记录起始、结束时间和失压期间的正反向有功、无功总电能）。 失压条件：
多功能电能表工作原理框图如图 1 所示：
电源单元
通信接口单元
采样通讯功能模 块
电量计量功能模 块
计量单元
通信功能模块 显示功能模块 存储功能模块 电源管理模块 时间管理模块 按键管理模块
CPU单元
图 1 工作原理框图
显示单元 存储单元 电池单元 计时单元 按键单元
电能表工作时通过光钎接口，遵循 IEC61850-9-2/1 标准，获取数字式互感器的采样值，然后经 数据处理单元将采样所得电压、电流采样值进行处理，获得电量、功率、功率因数等计量数据。然 后，由主 CPU 管理单元完成分时计费和处理各种输入输出数据，通过串行接口将电能计算 CPU 的 数据读出，并根据预先设定的时段完成分时有、无功电能计量和最大需量计量功能，根据需要显示 各项数据、通过红外或 485 总线进行通讯传输，并完成运行参数的监测，记录存储各种数据。由于 采用了 DSP 和 CPU 联合应用的双处理器结构，使得用于电能计算的数字信号处理器有足够的时间 来更加精确的处理电能数据和更强的网络数据吞吐能 力，从而使电能表的计量准确度和网络适应能力都有了显著提高。

◆ 诊断记录
检测系统中的错误，并提供检测错误的辅助信息。当电表上电时或用户启动测试时，电 表进行自检测试。
◆ 报警类型及条件 � 晶振故障
外部晶振故障
� 电压容差
测试每相输入电压以确定是否在设置的 Vmax 和 Vmin 之间。Vmax 和 Vmin 设置为 额定值的百分数 Vn。当测量值高于 Vmax 或低于 Vmin 超过 1 分钟，将产生报警并 计时。
果选择滑差式需量计量方法，需量周期应为滑差时间的整数倍 5 倍及以上。 � 最大需量除在抄表结算日自动清零外，还可以手动按键清零和通讯清零，同时具有
防非授权人操作的措施。
◆ 费率和时段
� 具有日历、计时和闰年自动切换功能。日历和时间的改变具有防止非授权人操作的 措施。
� 具有可编程的时区数（不超过 4 个 ）。 � 具有可设的最多 12 个日时段和最多 8 种费率。 � 具有可编程的最多 12×6 个日时段表。 � 最多可设定 16 种公共假日及对应的日时段号。 � 可设定周休日及对应的日时段号。
CPU 通过看门狗定时器检测不期望的锁定条件。软件
计算机看门狗
7
每秒钟复位一次。如果该事件未出现，将复位电表。
复位
当用户初试化复位时，也将出现该事件。
当 CPU 时钟以任何原因复位，则 CPU 复位以便更正
8
时钟丢失复位
该故障
9
未知复位
CPU 由于一些未知原因而复位
10
自诊断错误
相关信息在‘系统状态字’中
◆ 通讯
具有红外通讯，双路 RS485 通讯（其中一路可以配置为 RS232 接口。
DT（S）SD318 型三相电子式多功能电能表
◆ 电能质量监控

USER MANUALDSSD331/DTSD341-9DTHREE PHASE ELECTRONIC MULTIFUNCTION ENERGY METERContent1.Overview ......................................................................................................................................................................1.1.Standard.......................................................................................................................................................................1.2.Working Theory ............................................................................................................................................................plate Description..................................................................................................................................................1.4.Technical Parameter .....................................................................................................................................................Basic Technical Parameter ..................................................................................................................................................Calendar Clock ...................................................................................................................................................................Power Impulse....................................................................................................................................................................Other Parameter .................................................................................................................................................................2.Glossary .......................................................................................................................................................................................................2.1.Demand interval............................................................................................................................................................2.2.Maximum demand ........................................................................................................................................................2.3.Sliding window time ......................................................................................................................................................2.4.Peak on, Peak, Peak off, Valley, Low Valley, Lowest Valley time zone.............................................................................2.5.Harmonic voltage(voltage Distortion) .............................................................................................................................2.6.Harmonic current(current Distortion)..............................................................................................................................2.7.Total Voltage Harmonic Distortion(THD U) .......................................................................................................................2.8.Total Current harmonic Distortion（THD i） ....................................................................................................................3.Function Introduction ................................................................................................................................................................................3.1.TOU energy measurement (six tariffs, 4 quadrants)........................................................................................................3.2.Measure current, voltage, frequency and power.............................................................................................................3.3.Calculate M.D...............................................................................................................................................................3.4.Harmonic analyze .........................................................................................................................................................3.5.The record of 12 months account data...........................................................................................................................3.6.The record of load curve ...............................................................................................................................................3.7.Main and Subsidiary Tariff Setting..................................................................................................................................3.8.The record of event.......................................................................................................................................................Loss Phase.........................................................................................................................................................................No load...............................................................................................................................................................................Loss current........................................................................................................................................................................Exceed Voltage limit............................................................................................................................................................Unbalance voltage ..............................................................................................................................................................Reverse..............................................................................................................................................................................Exceed demand..................................................................................................................................................................Power on ............................................................................................................................................................................Reset..................................................................................................................................................................................Three Phase Failure Record................................................................................................................................................Current Reverse Indicator....................................................................................................................................................The record of electronic energy quality.................................................................................................................................The unbalance rate of current..............................................................................................................................................The event of high-neutrality current......................................................................................................................................The exceed limit of current ..................................................................................................................................................Open cover events..............................................................................................................................................................3.9.Freezing Energy ...........................................................................................................................................................3.10.I mpulse output and accuracy check...............................................................................................................................3.11.Other signal output........................................................................................................................................................3.12.D ouble RS-485 communication and optical communication............................................................................................3.13.R eading meter when PT shut down ...............................................................................................................................3.14.B attery..........................................................................................................................................................................4.LCD Description .........................................................................................................................................................................................4.1.LCD display face...........................................................................................................................................................4.2.Description of main display screen. ...............................................................................................................................4.3.Dendrite menu (refers to appendix 1).............................................................................................................................4.4.Description of menu, display screen and the mark..........................................................................................................Main menu..........................................................................................................................................................................Submenu of real time data...................................................................................................................................................Submenu of real time data...................................................................................................................................................Submenu of meter status word ............................................................................................................................................Submenu of history data......................................................................................................................................................Submenu of three phase total energy...................................................................................................................................4.4.8. Submenu of query parameter.......................................................................................................................................Other menu.........................................................................................................................................................................4.5.Alarm information definition...........................................................................................................................................5.Installation and connection ........................................................................................................................................................................5.1.installation dimension and usage...................................................................................................................................5.2.main terminal connect...................................................................................................................................................5.3.Auxiliary terminal connect .............................................................................................................................................6.1.The operation of button (key).........................................................................................................................................6.2.RUN, EVENT and power impulse output........................................................................................................................6.3.parameter setting, clear zero, M.D resetting...................................................................................................................6.4.Change battery.............................................................................................................................................................6.5.leading sealing..............................................................................................................................................................7.Notice ...........................................................................................................................................................................................................7.1.Notice in using time.......................................................................................................................................................7.2.Transportation and Storage ...........................................................................................................................................7.3.Guarantee ....................................................................................................................................................................8.Maintance ....................................................................................................................................................................................................8.1.Free of charge ..............................................................................................................................................................8.2.Free of Duty, on this condition, the service may take cost............................................................................................... Appendix 1: DSSD331/DTSD341-9D meter structure............................................................................................................. Remark: if you know more about display content, you can see 4. LCD display user manual. ................................................... Appendix 2: The manual of display code(Display ID code)...................................................................................................... Remark: if you know more about display content, you can see 4. LCD display user manual. ...................................................1. Overview1.1.StandardDL/T 614-1997 《Multifunction Energy Meter 》GB/T 17883-1999 《Class 0.2S and 0.5S Static AC Active Energy Meter 》 GB/T 17882-1999 《Class 2 and 3 Static AC Reactive Energy meter 》 DL/T 645-1997 《Multifunction Energy Communication Protocol 》GB/T 15543-1995 《Power Quality Unblance Rate of Three Phase Voltage 》 1.2.Working TheoryDSSD331/DTSD341-9D type 0.2s class energy meter use slap-up meter design project: DSP+ management MCU, include DSP and MCU. The working theory is as follow: the 16 bits A/D converter and DSP sample the current and voltage and making relative calculation. The DSP finish the parameter measurement, energy consumption, and harmonic analysis, harmonic energy calculation. All the calculation will be send to MCU through the high speed communication channel, and the MCU will manage the display, data analysis, storage, communication, other function and parameter, the working theory is show in diagram 1.Diagram 1 DSSD331/DTSD341 –9D Working Theory 1.3.Nameplate Description Diagram 2 DSSD331/ DTSD341 –9 D Nameplate Descriptions1.4. Technical Parameter1.4.1. Basic Technical Parameter Itemtechnology parameterreference voltage3×57.7V/100V （three phase four wire ） 3×63.5V/110V （three phase four wire ） 3×100V （three phase three wire ）Reference current 0.3(1.2)A,1.5(6)A, 1(2)A,1(6)A Scope frequency 50（1±5％）Hz (default) Variety range of voltage and error PT: Un±30% Un, Warp≤0.5% Auxiliary: 15~130v,warp≤0.5% Variety range of current and error 0.1A~6A,better than 0.5% Accuracy class Total active:0.2s; reactive: 1s fundamental wave active: 0.5sWork temperature -20℃～55℃Utmost work temperature -35℃～65℃relative humidity ≤95%pickup current Active: 1‰Ib ；Reactive: 2‰Ib ；Power consumption ＜2W ，10VAMTBF≥6×104 h 1.4.2. Calendar ClockClock error 0.5 s/d Clock frequency0.1HzInner battery life * ≥10 yearNote’*’: The built -in Battery is for power supply of built-in clockInfrared Port Running LED Event LEDLCDOptic PortImpulse OutputEscEnterDown Data Backup Card/ (undercover)Meter No.SealSeal1.4.3. Power Impulse⏹Meter Constant⏹Impulse Parameter2.1. Demand intervalBe measured time interval that is consecutive-equal for average power.2.2. Maximum demandMaximum value for demand in a special period2.3. Sliding window timeBe measured time interval for M.D by recurrence, the time interval is less than demand interval2.4. Peak on, Peak, Peak off, Valley, Low Valley, Lowest Valley time zonePeak on: The Period of Maximum Load in a dayPeak: The Period of High Loda in a dayPeak off: The Period of average load in a dayValley: The Period of Small Load in a dayLow Valley: The Period of Smaller Load in a dayLowest Valley: The period of Minimum Load in a day2.5. Harmonic voltage(voltage Distortion)U H: Harmonic Voltagen: Harmonic timesU h: the h times harmonic voltage2.6. Harmonic current(current Distortion)I H: Harmonic Currentn: Harmonic timesI h: the h times harmonic current2.7. Total Voltage Harmonic Distortion(THD U)U H: Harmonic voltageU1: Fundamental wave voltage2.8. Total Current harmonic Distortion（THD i）I H= Harmonic currentI1= Fundamental wave current3. Function Introduction3.1. TOU energy measurement (six tariffs, 4 quadrants)Measure total and the energy by 6 tariffs for import/export kWh, kvarh as well as the kvarh of 4 quadrants, the defination of 4 quadrants is described in diagram 3.Diagram 3: Defination of 4 QuadrantsThere are two types of reactive measurement mode as following:1) Import Reactive= Ⅰ Quadrant + Ⅱ QuadrantExport Reactive= Ⅲ Quadrant + Ⅳ Quadrant2) Import Reactive= Ⅰ Quadrant + ⅣQuadrantExport Reactive= Ⅲ Quadrant + Ⅱ QuadrantThese two types of measurement mode can be programed before usage.The accuracy calss for reactive measurement is 0.2S and calss 1.0 for reactive, the reactive accuracy is inspected by follow the standard 《Class 1 and 2 Static AC Active Energy Meter 》Year section (Maximum 14 times): The one year can be devided into several time section which can be applied with different schedule (Maximum 12 times) of day switch times (Maximum 14 times), the tariff for each day switch can be programmed but the maximum number is 6 tariffs. There are special time in a year which can be programmed like the weekend and holiday, customer may set special day switch schedule for these days. Current tariff can be displayed and reviewed on the left buttom of LCD.3.2. Measure current, voltage, frequency and powerMeter can measure voltage & current of each phase and each element, measure total and reach pahse & element kW, kvar, power factor and frequency. The voltage between the virtual center and line for a 3 phase 3 wire meter can be calculated. The distinguish ability for voltage 0.01V, for current is 0.001A, for kW and kvar is 0.0001, for frequency is0.001Hz. The power direction can be indicated by displying the symble “P”, “+”, “-”, “Q” and “1~4”.3.3. Calculate M.DMeter can measure total M.D. of import/export kW & kvar, 4 quadrant kvar with time, and the M.D. can be measured by each tariffs also. The demand interval is programable from 5, 10, 15, 30 and 60 minutes, sliding time is programable from 1, 2, 3 and 5 minutes.3.4. Harmonic analyzeDSP convert the voltage and current signal by FFT in 256 points, then the value, phase of 2~39 times harmonic voltage and current can be calculated out, the accuracy for harmonic value is 2% (for 2~21 times harmonic), the phase accuracy is +1~2 degree. All harmonic information can be displayed on LCD, and the harmonic data storage can be read out through communication port. There are 6 kinds of harmonic date will be stored like: n times harmonic voltage, orginal phase and the harmonic value, n times harmonic current, orginal phase and the harmonic value, total aberrance rate of harmonic voltage, total aberrance rate of harmonic current. The harmonic value can be display on LCD in histogram format.3.5. The record of 12 months account dataMeter can record total and TOU kWh, kvarh, M.D. and M.D time of current month and last 1th to 12th month. The billing time is clock 00:00 from the frist day for each month, and this billing date can be programmed.3.6. The record of load curveThe record mode of load curve can be set through any communication port on meter, there are 8 kinds of data can be record, user may use this date to draw curve for analyse.Definition of 8 kinds of load curveThe memory size of load curve data storage is 4M bytes. The minimum record interval for these data is 1 minute. The data items to be record and the interval are programmable. Meter will start to record each data according to the setting from the pre-set ‘start time’Calculate formula: T =)(LM-∑=91)/(iTiLiT = the record of curve of load time lengthM = FLASH memory (-9D meter memory is 4M)L= Index table length (-9D meter memory is 16.5bytes)Li= Total bytes of the i class dataTi= the setting time interval of i class data3.7. Main and Subsidiary Tariff SettingThere are two tariff settings can be programmed in the meter, current active tariff is main tariff and the subsidiary tariff is backup tariff. The switch time for these two settings can be programmed. And there are different symbles on LCD to indicate the main and subsidiary tariff, ①for main and ②for subsidiary. When meter is running under season tariff, the two symbols will not displayed.3.8. The record of event3.8.1. OutageMeter can record last 10 times of outage time, starting time, times and accumulative total outage time.3.8.2. Loss PhaseWhen the power is on at 3 phases 4 wires mode, if the voltage of 1 phase is lower than ug and the casting time is longer than tu, and the current of the phase is lower than 0.5%IB±0.05%IB,the phase is Power down; When the voltage of Loss-phase goes higher to ug and casting longer than td, the phase resumes. In 3P3W mode, if the total voltage of element A & C lower than 1.2 times of Un, B phase lose phase. If the voltage of element A&C ua－uc|≥u0, and casting longer than tu, and the current of the element lower than 0.5%Ib±0.05%Ib, A phase lose phase. When |ua－uc| is lower than u0, and the casting time longer than td, the phase resume. When loss phase is taking place, happening time, loss phase times and total time will be recorded. Event light will be turned on automatically. After loss phase, ending time will be recorded and alarm will be cancelled.ug: Limited Value for loss phase, can be set up(25V~Un，Un=57V or 100V), default 30V.tu: Loss phase casting time, can be set up(1 min~99 min), default 1 minute.td: Loss phase resume casting time, can be set up(1 min~99 min),default 1 minute.3.8.3. Loss voltageIf the voltage of a loss voltage is lower than 78％Un±2V, the current is higher than 0.5%Ib+0.05%Ib, and cast longer than te, this phase loss voltage. Loss voltage start/end time, meantime power and total time will be recorded, event light turn on. But, when 3P3W, if voltage of element A&C is lower than Uw, it is not loss voltage.When voltage of the phase resumes to 85%Un±2V, and cast longer than tf，timing stops, Loss voltage stops. The meter will record the ending time, meantime power and cancel the alarm.The meter has the function to record all loss voltage events from first time to 10th time, loss voltage times and total times.Besides, the meter recorded the active energy of import/export, metering from the communication port.Un：Limited value for loss voltage, can be set up(20V~Un，Un=57V or 100V)，default 57V;Uw：the up limit of voltage failure in three phase three wire system can be set to 20V~Un，Un=57V or 100V, the default setting is 57V；te Loss voltage casting time, can be set up(1 min~99 min),default 1 minute;tf Loss voltage resuming time, can be set up( 1 min~99 min), default 1 minute.3.8.4. No loadIn 3P3W mode, when each current is lower than I0，either the voltage of A or C is lower than I0，it is unload. The Event light turn on, meter records start/end time and total time.I0: Limited value for unload, can be set up(20mA~99mA)，default 30mA.3.8.5. Loss currentWhen loading, if the current of a phase Is lower than Ig，and lower than 1/Riof the average of the voltage for another 2 phases, and cast longer than ti, 1 current of the phases is higher than Ik, this phase lost. When the current of the disconnected phase is higher than Ig，and higher than 1/Riof the average of the voltage for another 2 phases and cast longer than tj, this lost current resumed.When disconnected, the meter record the happening time and meantime power, turn on the event light. When resuming, it record the resuming time and meantime power, and cancel alarm. Beside this, the meter record import/export active energy measurement when disconnecting, metering by the communication port.The meter has function to record disconnected current times and total time.Ig: Limited value for disconnected current No 1, can be set up(20mA~99mA)，default 60mA;Ik: Limited value for disconnected current No 2, can be set up(20mA~99mA)，default 60mA;Ri：the phase current scale factor can be set to 2~50，the default setting is 8；T(i): Casting time when disconnecting current, can be set up(1 min~99 min), default 1 minute.T(j): Casting time when disconnecting current resuming, can be set up(1 min~99 min), default 1 minute.3.8.6. Exceed Voltage limitWhen any voltage of phase is higher than 125%Uh, and casting time≥t(over), this phase exceed limit; When the volt age is 120%Uh or less, and the casting time ≥t(over), exceed limit stops. And it record the start/end time(Month, day, hour and minute) from the first time to 10th and the meantime voltage.Uh: Distinguishing limited value for exceed limit, can be set up (20V~Un, Un=57V or 100V), default 57V;T(over):Casting time when exceed limit, can be set up (1 min~99 min), default 1 minute.3.8.7. Unbalance voltageWhen the voltage of the three phases are unbalanced, and the unbalance rate is bigger than the preset limit, meter will record the unbalance events. When the unbalance rate is lower than the preset limit, the event recording stopped. Meter3.8.8. ReverseThe meter will record start/end time (month, day, hour and minute) of reverse from 1st time to 10th and meantime active power. The symbol ‘Alarm’ will be displayed when this event happened.3.8.9. Exceed demandWhen the average demand of demand cycle ≥ the up limited of demand (can be set up, default 1000W), it is exceed demand. The meter record the demand, exceed demand time, and turn on alarm light; when the maximum demand less than the up limited, exceed demand stops, and the time will be record. Meter can record last ten times events.3.8.10. ProgrammingMeter will record each programming time from 1st time to 10th and the programming mark.3.8.10.1. Power onMeter will record each power on time from 1st time to 10th (month, day, hour and minute).3.8.10.2. ResetMeter will record each reset time from 1st time to 10th (month, day, hour and minute).3.8.10.3. Clear demandMeter will record each clear demand time from 1st time to 10th (month, day, hour and minute), and maximum demand before clear demand.3.8.10.4. Clear zeroMeter will record each clear zero time from 1st time to 10th (month, day, hour and minute), and the active energy before clear zero.3.8.10.5. Calibrate dateMeter will record each time of calibrate date from 1st time to 10th (month, day, hour and minute), and time before calibrate date(month, day, hour and minute).3.8.10.6. Voltage Qualification RateThe up and lower voltage limit is programmable to check the voltage quality, meter will measure the average voltage of every minute than compare with the limit value. The total running time of phase A/B/C when the voltage is in the checking range or exceed the up limit or lower than the lower limit will be record.The up & lower limit of voltage checking range is programmable; the default setting is 0V;The up & lower limit of voltage qualified range is programmable; the default setting is 0V;3.8.10.7. xceed limit of voltage DistortionWhen the total harmonic voltage/current is large than the up limit (programmable, the default voltage setting is 10V and the current is 6A) the aberration event is happened, and meter will record this event with time; when it voltage/current come back and lower than the limit, the event finished, and meter will record the event with time.The last ten time events will be record.3.8.10.8. Three Phase Failure RecordWhen the three phase voltage failed, meter will record this events, the start and end time and current total energy value, meter will make alarm by LED lighting. The voltage failure event for each phase will not record at this moment.3.8.10.9. Current Reverse IndicatorFor three phase four wire connection, when any one phase current reversed, the relative symbol (Ia, Ib, Ic) for each phase with ‘-’ will be diplayed on LCD3.8.11. The record of electronic energy quality3.8.11.1. The unbalance rate of currentWhen the current of the three phases are unbalanced, and the unbalance rate is bigger than the preset limit, meter will record the unbalance events. When the unbalance rate is lower than the preset limit, the event recording stopped. Meter(3P4W)(3P4W)。

电表运行状态字 4(A 相故障状态)：(标识编码 04000504)
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
断相
潮流反向
过载
过流
失流
过压
欠压
失压
Bit15
Bit14
Bit13
Bit12
Bit11
Bit10
Bit9
Bit8
保留
保留
保留
保留
保留
保留
保留
断流
注：0 代表无此类故障，1 代表当前发生此类故障。
附录 A 内部参数及状态 (控制)字说明
电表运行状态字1：(标识编码 04000501)

Bit7 Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
无功功率方向 有功功率方向 停电抄表电池
时钟电池 需量积算方式
保留 保留
保留
(0 正向、1 反向) (0 正向、1 反向) (0 正常，1 欠压) (0 正常，1 欠压) (0 滑差，1 区间)
周休日特征字：(标识编码04000801)
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
保留
周六
周五
注：0 代表休息，1 代表工作。
周四
周三
周二
周一
周日
通信速率特征字(RS485通信口1、RS485通信口2)：(标识编码04000703、04000704)
Bit7
Bit6
Bit5
Bit4
Bit0 失压 Bit8 断流