一、概述General
◆ DCM3366P(DV+DA)直流電能表根據(jù)我國對電力設(shè)備運行和計算機智能化監(jiān)控要求而
設(shè)計，能夠直接測量顯示系統(tǒng)的用電量和歷史用電量，并帶有RS485 接口，與微機進行數(shù)據(jù)交
換。適合蓄電池，太陽能電池板等直流信號設(shè)備電量測量和電能計量使用，亦可用于工礦企業(yè)，
民用建筑，樓宇自動化等現(xiàn)代供配直流電系統(tǒng)。。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 系列產(chǎn)品有多種不同型號，產(chǎn)品功能眾多，可滿足目前國內(nèi)外不同場合的特殊要求。
DCM3366 series provides many different types of products which can meet domestic and international market
specific requirements.
DCM3366P(DV+DA)可測量如下參數(shù)Measure the following parameters:
􀁺 實時直流電壓、直流電流、直流功率和直流電能。
Real time measure DC voltage、DC current、DC power and DC energy.
􀁺 上12 月每月獨立累計電能、過去360 天每天獨立累計電能。
Independent cumulative energy of each day in the past 12 months monthly, independent cumulative energy of
each day in the past 360 days.
􀁺 一段時間內(nèi)最大需量、最小需量。
􀁺 The max & min demand in a period of time.
􀁺 兩路開關(guān)量輸入
Two switching value inputs (DI)
二、主要技術(shù)指標Technical indicators
◆ DCM3366P(DV+DA)外形Externality
􀂗 主機尺寸Host size： 96± 0.5 mm×96±0.5 mm×98±0.5mm
􀂗 開孔尺寸Hole size： 92±0.5 mm×92±0.5 mm
􀂗 顯示類型Display type： LCD 顯示Display，8 位有效位數(shù)8-bit effective number bits
DV 輸入Input
􀂗 DC4~20mA 顯示按用戶要求訂制Customized
DA 輸入Input
􀂗 DC4~20mA 顯示按用戶要求訂制Customized
功率Power
􀂗 功率Power：0~9999.0000kW
時鐘Clock
􀂗 參比條件下，日計時誤差小于0.5 秒Under the reference conditions, the timing error is less than 0.5 seconds
􀂗 具有廣播對時功能With broadcasting timing function
通訊Communication
􀂗 接口Interface： RS485
􀂗 波特率Baud rate： 1200/2400/4800/9600/19200（出廠默認Default ：9600bps）
􀂗 通訊協(xié)議：Modbus (RTU 格式)和 DL/T645 雙協(xié)議
Communication protocol: Modbus (RTU format) & DL/T645 double protocol)
測量精度Accuracy
􀂗 電流Current： 0.5%
􀂗 電壓Voltage： 0.5%
􀂗 功率Power ： 1.0%
􀂗 電能Energy： 1.0%
絕緣強度Insulating Strength
􀂗 輸入/電源/外殼間: Among input voltage / Power / Frame ： 2.0kV/min·2mA
􀂗 通訊口/電源間：Between communication port / Power : 2.0kV/min·2mA
工作條件Working Conditions
􀂗 工作溫度Working temperature：-10℃~55℃
􀂗 儲存溫度Storage temperature：-40℃~70℃
􀂗 相對濕度Relative humidity： 20~95％RH 無凝露(Without condensation)
輔助電源Auxiliary Power Supply
􀂗 AC85~265V or DC85~330V
􀂗 功耗Power Consumption：≤2VA
三、DCM3366P(DV+DA)顯示操作Display Operating
每次上電顯示為日期畫面，按鍵依次顯示為：功率、電流、電壓、電能、時間、日期；按鍵依次顯示為：時間、電
能、電壓、電流、功率、日期。若沒有按鍵操作，超過設(shè)定的延時模式切換時間則進入自動循環(huán)顯示狀態(tài)（輪顯時間，出廠
默認值：60s）,LCD 顯示數(shù)據(jù)屏用戶可以根據(jù)要求自己設(shè)定,具有停電抄表功能。
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 .
