socomec COUNTIS M33 User manual
SOCOMEC CHINA CO., Ltd
SOCOMEC CHINA CO., LtdSOCOMEC CHINA CO., Ltd
SOCOMEC CHINA CO., Ltd
溯高美索克曼电气
溯高美索克曼电气溯高美索克曼电气
溯高美索克曼电气（
（（
（上海
上海上海
上海）
））
）有限公司
有限公司有限公司
有限公司
http://www.socomec.com
THREE PHASE DIN RAIL ENERGY METER
COUNTIS M33
MANUAL V1.0
SOCOMEC CHINA CO., Ltd
SOCOMEC CHINA CO., LtdSOCOMEC CHINA CO., Ltd
SOCOMEC CHINA CO., Ltd
溯高美索克曼电气
溯高美索克曼电气溯高美索克曼电气
溯高美索克曼电气（
（（
（上海
上海上海
上海）
））
）有限公司
有限公司有限公司
有限公司
http://www.socomec.com
Statement
All rights reser ed. Without the written permission of Socomec, the contents of any passages and chapters
in this manual shall not be copied or reproduced or disseminated in any form. Otherwise, all
consequences shall be borne by the iolator.
Socomec reser es all legal rights.
Socomec reser e the right to modify the product specifications described in this manual without prior
notice. Before ordering, please contact our company or local agent for the latest specifications of this
product.
Contents
Part 1 Product overview
1.1 Brief Introduction --------------------------------------------------------------------------------------------------------------1
1.2 Product characteristics -------------------------------------------------------------------------------------------------------1
1.3 Application ----- ----------------------------------------------------------------------------------------------------------------2
Part 2 General Specifications
2.1 Specifications-----------------------------------------------------------------------------------------------------------------3
2.2 Accuracy -------------------------------------------------------------------------------------------------------------------------3
2.3 RS485 Communication-------------------------------------------------------------------------------------------------------4
2.4 En ironment--------------------------------------------------------------------------------------------------------------------4
2.5 Dimendions---------------------------------------------------------------------------------------------------------------------5
2.6 Wiring Diagram----------------------------------------------------------------------------------------------------------------6
Part 3. Operation Instructions
3.1
Display and Operation
---------------------------------------------------------------------------------------------------7
3.1.1
Button Definition
-------------------------------------------------------------------------------------------------------7
3.2
Measurement
---------------------------------------------------------------------------------------------------------------7
3.2.1 Voltage & Current---------------------------------------------------------------------------------------------------------7
3.2.2 Frequency, Power Factor & Demand---------------------------------------------------------------------------------9
3.2.3 Power ------------------------------------------------------------------------------------------------------------------------10
3.2.4 Energy------------------------------------------------------------------------------------------------------------------------11
3.3 Setting by button-----------------------------------------------------------------------------------------12
3.3.1
Button Operation
-------------------------------------------------------------------------------------------------------13
3.3.2
Number Entry Procedure
-------------------------------------------------------------------------------------------13
3.3.3 Set Password----------------------------------------------------------------------------------------------------------------14
3.3.4 Modbus Address-----------------------------------------------------------------------------------------------------------15
3.3.5 Baud Rate--------------------------------------------------------------------------------------------------------------------15
3.3.6 Parity--------------------------------------------------------------------------------------------------------------------------16
3.3.7 Stop bit-----------------------------------------------------------------------------------------------------------------------17
3.3.8 Pule Output------------------------------------------------------------------------------------------------------------------17
3.3.9 Pulse Constant--------------------------------------------------------------------------------------------------------------18
3.3.10 Pulse Duration------------------------------------------------------------------------------------------------------------19
3.3.11 Set DIT ---------------------------------------------------------------------------------------------------------------------20
3.3.12 Set backlit lasting time--------------------------------------------------------------------------------------------------21
3.3.13 Set System------------------------------------------------------------------------------------------------------------------22
3.3.14 Clear-------------------------------------------------------------------------------------------------------------------------23
Part 4．
．．
．Modbus re ister Map------------------------------------------------------------------------------------------------24
- 1
-
Part 1 Product overview
1.1 Brief Introduction
COUNTIS M33 measures and displays the characteristics of single phase two wires (1p2w), three phase
three wires (3p3w,) and three phase four wires (3p4w) supplies, including oltage, frequency, current,
power, acti e and reacti e energy, imported or exported. Energy is measured in terms of kWh, kVArh.
Maximum demand current can be measured o er preset periods of up to 60 minutes. In order to measure
energy, the unit requires oltage and current inputs in addition to the supply required to power the
product.
COUNTIS M33 supports max. 100A direct connection, sa es the cost and a oid the trouble to connect
external CTs, gi ing the unit a cost-effecti e and easy operation. Built-in interfaces pro ides pulse and
RS485 Modbus RTU outputs. Configuration is password protected.
1.2 Product characteristics
Measures kWh, K arh, KW, K ar, KVA, P, F, PF, Hz, dmd, V, A, etc.
Bi-directional measurement IMP & EXP
Two pulse outputs
RS485 Modbus
Din rail mounting 35mm
100A direct connection
The Unit can measure and display:
Line oltage and THD% (total harmonic distortion) of all phases
Line Frequency
Currents, Current demands and current THD% of all phases
Power, maximum power demand and power factor
Acti e energy imported and exported
Reacti e energy imported and exported
The unit has password-protected set-up screens for:
Changing password
- 2
-
Supply system selection 1p2w, 3p3w,3p4w
Demand Inter al Time(DIT)
Reset for demand measurements
Pulse output duration
1.3 Application
COUNTIS M33 is a multi-functional three phase energy meter, designed for power system, public facilities,
industrial applications and residential power monitoring needs. It can also be used in AC charging piles,
solar photo oltaic and other occasions. Its complete communication function makes it ery suitable for
real-time power monitoring systems.
- 3
-
Part 2 General Specifications
2.1 Specifications
Voltage： Rated Voltage (Un):3x230(400)V
Operational oltage: 80~120%
Current： Rated Current (Ib)：10A
Max Current (Imax)： 100A
O er current withstand: 0.4% Ib~Imax
O er current withstand: 20 Imax for 0.5s
Operational frequency：Rated：50/60Hz
Range：45-65 Hz
Insulation capabilities： AC oltage withstand 4KV/1min
Impulse oltage withstand 6kV – 1.2µS wa eform
Internal Power Consumption：≤ 2W.
Pulse Output 1：Configurable
Pulse Output 2：Fixed 400imp/kWh
Display：LCD with backlit
Max reading: 999999.99 kWh / k arh
2.2 Accuracy
Voltage：0.5%
Current：0.5%
Frequency：0.2%
Power Factor：1%
Acti e Power：0.5%
Reacti e Power：±1%
- 4
-
Apparent power：±1%
Acti e energy：Class1
Reacti e energy：Class2
2.3 RS485 Communication
Bus Type：RS485
Communication Protocol：Modbus RTU
Baud rate： 2400/4800/9600/19200/38400bps
Modbus Address：1-247
Bus load：64pcs
Communication distance：1000m
Parity：EVEN /ODD/NONE
Data bit：8
Stop bit：1
2.4 En ironment
Operating humidity： ≤90%
Storage humidity： ≤95%
Operating temperature： -25℃~+55℃
Storage temperature： -40℃~+70℃
Standard： GB-T 17215/ IEC62053-21/ EN50470-1/3
Accuracy： Class 1.0
Installation category： CAT III
Protection against penetration of dust and water: IP51（indoor）
- 5
-
Insulating encased meter of protecti e class: II
Altitude： ≤2000m
2.5 Dimensions
35mm
Height: 66 mm
Width: 72 mm
Length: 100 mm
- 6
-
2.6 Wiring Diagram
3P4W 3P3W 1P2W
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