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DTSU666-H Smart Power Sensor

User Manual

Issue

01

Date

2018-05-18

HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for DTSU666-H

Page 1: ...DTSU666 H Smart Power Sensor User Manual Issue 01 Date 2018 05 18 HUAWEI TECHNOLOGIES CO LTD ...

Page 2: ... Huawei and the customer All or part of the products services and features described in this document may not be within the purchase scope or the usage scope Unless otherwise specified in the contract all statements information and recommendations in this document are provided AS IS without warranties guarantees or representations of any kind either express or implied The information in this docum...

Page 3: ...neers Symbol Conventions The symbols that may be found in this document are defined as follows Symbol Conventions Symbol Description Indicates an imminently hazardous situation which if not avoided will result in death or serious injury Indicates a potentially hazardous situation which if not avoided could result in death or serious injury Indicates a potentially hazardous situation which if not a...

Page 4: ...on Calls attention to important information best practices and tips NOTE is used to address information not related to personal injury equipment damage and environment deterioration Change History Changes between document issues are cumulative The latest document issue contains all updates made in previous issues Issue 01 2018 05 18 This issue is the first official release ...

Page 5: ...ns 7 2 3 Application Scenarios 10 2 4 Model Naming Conventions 11 2 5 Product Structure 11 3 System Maintenance 13 3 1 Troubleshooting 13 A Technical Specifications 15 A 1 Environmental Specifications 15 A 2 Main technical performance and parameter 15 A 2 1 Electrical parameter 15 A 2 2 Percentage error 16 A 2 3 Start 16 A 2 4 Defluction 16 A 2 5 Other technical parameter 17 A 3 EMC Specifications...

Page 6: ...re operating the product remove any conductors such as jewelry or watches Use insulated tools during operations Bolts should be tightened with a torque wrench and marked using red or blue color Installation personnel should mark tightened bolts in blue Quality inspection personnel should confirm if the bolts are tightened and then mark them in red If screws or bolts used to secure the device are n...

Page 7: ...trict accordance with the quick guide Disclaimer The manufacturer shall not be liable for any consequence caused by any of the following events Transportation damage The storage conditions do not meet the requirements specified in this document Incorrect installation or use Installation or use by unqualified personnel Failure to obey the operation instructions and safety precautions in this docume...

Page 8: ...e electric shocks or fire may occur Ensure that all electrical connections comply with local electrical standards Ensure that the cables used in a grid tied PV system are properly connected and insulated and meet all specification requirements Operation High voltage may cause an electric shock which results in serious injury death or serious property damage from the DTSU666 H in operation Strictly...

Page 9: ... H with sufficient knowledge of this document and proper tools and testing devices Temporary warning signs or fences must be placed to prevent unauthorized people from entering the site The DTSU666 H can be powered on only after all faults are rectified Failing to do so may escalate faults or damage the device During the maintenance observe ESD precautions and wear ESD gloves ...

Page 10: ...as three phase voltage three phase current active power reactive power frequency positive and reverse energy four quadrant electric energy etc Adopting the standard DIN35mm din rail mounting structural module design it is characterized with small volume easy installation and networking etc As a monitoring terminal product towards energy management system it can be widely applied into internal powe...

Page 11: ...ght Huawei Technologies Co Ltd 6 Figure 2 1 DTSU666 H 2 2 Working Principles 2 2 1 Conceptual Diagram The instrument is composed of highly accurate metering integrated circuit ASIC management MCU storage chip RS485 communication module etc The conceptual diagram is shown in Figure 2 2 Figure 2 2 Conceptual diagram ...

Page 12: ...t value is displayed in seven bits with the display range from 0 00 kWh to 999999 9 kWh Figure 2 3 Liquid crystal display Table 2 1 Display Auto loop No Display interface Instruction No Display interface Instructi on 1 Imp active power 10000 0kWh 2 Exp active energy 2345 67 kWh 3 active power 3 291kW 4 Phase A voltage 220 0V 5 Phase B voltage 220 1V 6 Phase C voltage 220 20V 7 Phase A current 5 00...

Page 13: ...energy 2345 67kW h 4 None parity 1 stop bit baud 960 0bps 5 Comm Add 011 6 Phase A voltage 220 0V 7 Phase B voltage 220 1V 8 Phase C voltage 220 20V 9 Phase A current 5 001A 10 Phase B current 5 001A 11 Phase C current 5 002A 12 active power 3 291kW 13 Phase A active power 1 090kW 14 Phase B active power 1 101kW 15 Phase C active power 1 100kW 16 power factor 0 500 inductive 17 Phase A power facto...

Page 14: ...ings for communication stop bit and Parity bits 1 Factory mode 2 None parity 2 stop bits n 2 3 None parity 1 stop bit n 1 4 Even parity 1 stop bit E 1 5 Odd parity 1 stop bit O 1 0 4 800 1 9 600 Communication baud rate 0 4800bps 1 9600bps 11 19 Communication address Programming operation button description SET button represents confirmation or Cursor shift when input digits ESC button represents E...

Page 15: ...definition is defined in document Huawei inverter matching meter Modbus interface definition description Article 2 1 general signal definition table Float document version V100 release date 2018 01 29 2 3 Application Scenarios Scenario 1 The smart power sensor is used to realize power restriction of the power grid with charge and discharge control towards energy storage in the household inverter s...

Page 16: ...ng conventions Table 2 4 Model specification Model No Accuracy grade Referenced voltage Current specificatio n Instrument constant Type DTSU666 H Active class 1 3 220 380 V 100 A 40 mA 800 imp kWh Via transformer Please take the physical label as standard 2 5 Product Structure Model No Module Outline dimension H W D mm Installation dimension Din rail DTSU666 H 4 72 100 65 5 DIN35 standard din rail...

Page 17: ...DTSU666 H Smart Power Sensor User Manual 2 Overview Issue 01 2018 05 18 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 12 Figure 2 7 Product dimensions ...

Page 18: ...cation Abnormal RS485 communication 1 The RS485 communication cable is disconnected short circuit or reversely connected 2 The address baud rate data bit and parity bit of the instrument is not in accordance with the host computer 1 If any problems for the communication cable please change the cable 2 Set the address baud rate data bit and parity bit of the instrument to be the same as the host co...

Page 19: ...al 3 System Maintenance Issue 01 2018 05 18 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 14 Contact the installation vendor if all failure analysis procedures listed above are completed and the fault still exists ...

Page 20: ...emperature range 25º C to 60º C Limited working temperature range 40º C to 70º C Relative humidity Annual average 75 RH Atmospheric pressure 86 106 kPa A 2 Main technical performance and parameter A 2 1 Electrical parameter Regulated working voltage range 0 9 1 1 Un Extended working voltage range 0 8 1 15 Un Power consumption of voltage 1 5 W and 6 VA Power consumption of current Ib 10 A 0 2 VA Ib...

Page 21: ...n unbalanced load Type Current range Power factor The limited value of percentage error towards various grade of instruments Connect via current transformer 0 05In I Imax 1 2 0 0 1In I Imax 0 5 L 2 0 Notes In Secondary rated current of the current transformer Ib calibrated current of energy meter L inductive C capacitive A 2 3 Start Under the power factor of 1 0 and 2 In the instrument can be star...

Page 22: ...ol Modbus RTU A 3 EMC Specifications EMC performance of the meter conforms to the following relevant technical standard IEC 61326 1 2012 IEC 61326 2 1 2012 EN 61326 1 2013 EN 61326 2 1 2013 EN61000 3 2 2005 A2 2009 EN61000 3 3 2008 A 4 Structure Specifications Item Specifications Installation mode Directly stuck the sensor on the din rail and finally install it on the power distribution box 1 When...

Page 23: ...tial Copyright Huawei Technologies Co Ltd 18 A 5 Wiring terminal instruction 1 Connect the Ua Ub Uc Un voltage lines to the 3 6 9 and 10 terminals of the collector 2 Connect current transformer outlets IA IA IB IB IC IC to terminals 13 14 16 17 19 21 of the collector Connect 3 RS485A and RS485B to the communication host ...

Page 24: ...yright Huawei Technologies Co Ltd 19 B Acronyms and Abbreviations B D DC direct current E EFT electrical fast transient EMI electromagnetic interference EMS electromagnetic susceptibility ESD electrostatic discharge M MPPT maximum power point tracking P PLC power line communication R RE radiated emission RS radiated susceptibility ...

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