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Summary of Contents for Huawei DTSU666-H
- Page 1 DTSU666-H Smart Power Sensor User Manual Issue Date 2018-05-18 HUAWEI TECHNOLOGIES CO., LTD.
- Page 2 Notice The purchased products, services and features are stipulated by the contract made between 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”...
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Page 3: About This Document
User Manual About This Document About This Document Purpose This document describes the DTSU666-H Smart Power Sensor in terms of its functions, electrical properties, and structure. Figures provided in this document are for reference only. Intended Audience This document is intended for: ... - Page 4 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. Issue 01 (2018-05-18) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
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Page 5: Table Of Contents
A.2.5 Other technical parameter ............................17 A.3 EMC Specifications ..............................17 A.4 Structure Specifications ............................. 17 A.5 Wiring terminal instruction ............................18 B Acronyms and Abbreviations B....................19 Issue 01 (2018-05-18) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. -
Page 6: Safety Precautions
Huawei will not be liable for any consequences that are caused by the violation of general safety regulations and device usage safety standards. - Page 7 Failure to obey the operation instructions and safety precautions in this document Operation in extreme environments which are not covered in this document The DTSU666-H operates beyond specified ranges. Unauthorized modifications to the product or software code or removal of the product ...
- Page 8 Do not scrawl or damage any warning labels on the DTSU666-H because these labels contain important information about safe operation. Do not scrawl or damage the nameplate on the back of the DTSU666-H because it contains important product information. Installation ...
- Page 9 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. ...
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Page 10: Overview
2 Overview Overview 2.1 Product Overview Type DTSU666-H Smart Power Sensor (here in after referred to as the “sensor”) adopts large-scaled integrated circuit with digital sampling technology, specially designed for power monitoring and energy metering demands including power system, communication industry,... -
Page 11: Working Principles
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 Issue 01 (2018-05-18) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. -
Page 12: Functions
Phase B current current =5.001A =5.001A Phase C Frequenc current Freq=50. =5.002A 00Hz No button operation backlight is closed for 60 seconds. Auto loop Switch time = 5s. Issue 01 (2018-05-18) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. - Page 13 =1.101kW Phase C power active power factor =1.100kW =0.500 inductive Phase A Phase B power factor power factor PFa=1.000L PFb=0.50 Phase C Frequency power factor Freq=50.0 PFc=0.500C Issue 01 (2018-05-18) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
- Page 14 “Cursor shift”(when input digits), “ESC” button represents “Exit”, “ ” button represents “increase”. The input password is (default to be 701). Figure 2-4 Setting example for Modify communication address or baud rate Issue 01 (2018-05-18) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
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Page 15: Application Scenarios
1 stop bit, and communication addresses (see factory numbers or LCD display), support ModBus RTU protocol. ModBus-RTU interface 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. -
Page 16: Model Naming Conventions
Please take the physical label as standard. 2.5 Product Structure Model No. Module Installation dimension Outline dimension (H×W×D） (Din-rail) DTSU666-H 72× 100× 65.5 DIN35 standard din-rail Issue 01 (2018-05-18) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. - Page 17 DTSU666-H Smart Power Sensor User Manual 2 Overview Figure 2-7 Product dimensions Issue 01 (2018-05-18) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
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Page 18: System Maintenance
2. Check whether the high & low end of current transformer inlet is reversely connected. Please observe the power, to be abnormal if any negative values. Issue 01 (2018-05-18) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. - Page 19 DTSU666-H Smart Power Sensor User Manual 3 System Maintenance Contact the installation vendor if all failure analysis procedures listed above are completed and the fault still exists. Issue 01 (2018-05-18) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
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Page 20: A Technical Specifications
Power consumption of ≤ 0.2 VA Ib < 10 A current Ib ≥ 10 A ≤ 0.4 VA Data storage time after ≥ 10 years power interruption Issue 01 (2018-05-18) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. -
Page 21: Percentage Error
When testing, the current circuit shall be disconnected and the applied voltage of the voltage circuit shall be 115% of the referenced voltage. Issue 01 (2018-05-18) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. -
Page 22: Other Technical Parameter
Dimensions (H x W 72 mm x100mm x 65.5 mm (± 0.5 mm) x D) ≤ 0.8 kg Weight Issue 01 (2018-05-18) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. -
Page 23: Wiring Terminal Instruction
Connect current transformer outlets IA*, IA, IB*, IB, IC*, IC to terminals 13, 14, 16, 17, 19, 21 of the collector.Connect. RS485A and RS485B to the communication host. Issue 01 (2018-05-18) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. -
Page 24: B Acronyms And Abbreviations B
Acronyms and Abbreviations B direct current electrical fast transient electromagnetic interference electromagnetic susceptibility electrostatic discharge maximum power point tracking MPPT power line communication radiated emission radiated susceptibility Issue 01 (2018-05-18) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
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