一、概述General
◆ DCM3366P(DV+DA)直流电能表根据我国对电力设备运行和计算机智能化监控要求而
设计，能够直接测量显示系统的用电量和历史用电量，并带有RS485 接口，与微机进行数据交
换。适合蓄电池，太阳能电池板等直流信号设备电量测量和电能计量使用，亦可用于工矿企业，
民用建筑，楼宇自动化等现代供配直流电系统。。DCM3366P(DV+DA) DC energy meter is able to
directly measure the display system power consumption and electricity history. The RS485
port can exchange data with the microcomputer. It is suitable to be used for batteries, solar
panels power DC signal measurement and energy metering equipment. Be used for industrial
and mining enterprises, civil construction, building automation and other modern DC system for distribution.
DCM3366 系列产品有多种不同型号，产品功能众多，可满足目前国内外不同场合的特殊要求。
DCM3366 series provides many different types of products which can meet domestic and international market
specific requirements.
DCM3366P(DV+DA)可测量如下参数Measure the following parameters:
􀁺 实时直流电压、直流电流、直流功率和直流电能。
Real time measure DC voltage、DC current、DC power and DC energy.
􀁺 上12 月每月独立累计电能、过去360 天每天独立累计电能。
Independent cumulative energy of each day in the past 12 months monthly, independent cumulative energy of
each day in the past 360 days.
􀁺 一段时间内最大需量、最小需量。
􀁺 The max & min demand in a period of time.
􀁺 两路开关量输入
Two switching value inputs (DI)
二、主要技术指标Technical indicators
◆ DCM3366P(DV+DA)外形Externality
􀂗 主机尺寸Host size： 96± 0.5 mm×96±0.5 mm×98±0.5mm
􀂗 开孔尺寸Hole size： 92±0.5 mm×92±0.5 mm
􀂗 显示类型Display type： LCD 显示Display，8 位有效位数8-bit effective number bits
DV 输入Input
􀂗 DC4~20mA 显示按用户要求订制Customized
DA 输入Input
􀂗 DC4~20mA 显示按用户要求订制Customized
功率Power
􀂗 功率Power：0~9999.0000kW
时钟Clock
􀂗 参比条件下，日计时误差小于0.5 秒Under the reference conditions, the timing error is less than 0.5 seconds
􀂗 具有广播对时功能With broadcasting timing function
通讯Communication
􀂗 接口Interface： RS485
􀂗 波特率Baud rate： 1200/2400/4800/9600/19200（出厂默认Default ：9600bps）
􀂗 通讯协议：Modbus (RTU 格式)和 DL/T645 双协议
Communication protocol: Modbus (RTU format) & DL/T645 double protocol)
测量精度Accuracy
􀂗 电流Current： 0.5%
􀂗 电压Voltage： 0.5%
􀂗 功率Power ： 1.0%
􀂗 电能Energy： 1.0%
绝缘强度Insulating Strength
􀂗 输入/电源/外壳间: Among input voltage / Power / Frame ： 2.0kV/min·2mA
􀂗 通讯口/电源间：Between communication port / Power : 2.0kV/min·2mA
工作条件Working Conditions
􀂗 工作温度Working temperature：-10℃~55℃
􀂗 储存温度Storage temperature：-40℃~70℃
􀂗 相对湿度Relative humidity： 20~95％RH 无凝露(Without condensation)
辅助电源Auxiliary Power Supply
􀂗 AC85~265V or DC85~330V
􀂗 功耗Power Consumption：≤2VA
三、DCM3366P(DV+DA)显示操作Display Operating
每次上电显示为日期画面，按键依次显示为：功率、电流、电压、电能、时间、日期；按键依次显示为：时间、电
能、电压、电流、功率、日期。若没有按键操作，超过设定的延时模式切换时间则进入自动循环显示状态（轮显时间，出厂
默认值：60s）,LCD 显示数据屏用户可以根据要求自己设定,具有停电抄表功能。
The screen shows the date when the power is on. Press Power to display: power, current, voltage, energy, time,
date; Press key to display: time, energy, voltage, current, power, date. If there is no button operation and preset value
is overtime, it will enter the cycle display statues (default value: 60s), the display data on the LCD can be requested by the
customers. Meter reading function when power off .
