Related Manuals for Huawei DDSU666-H
Summary of Contents for Huawei DDSU666-H
- Page 1 DDSU666-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 DDSU666-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 parameters ............................. 14 A.3 EMC Specifications ..............................15 A.4 Structure Specifications ............................. 15 A.5 Wiring terminal instruction ............................16 B Acronyms and Abbreviations B....................17 Issue 01 (2018-05-18) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. -
Page 6: Safety Precautions
Install the product in strict accordance with the quick guide. Disclaimer Huawei 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. - Page 7 Do not scrawl or damage any warning labels on the DDSU666-H because these labels contain important information about safe operation. Do not scrawl or damage the nameplate on the back of the DDSU666-H because it contains important product information. Installation ...
- Page 8 Temporary warning signs or fences must be placed to prevent unauthorized people from entering the site. The DDSU666-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 9: Overview
Overview 2.1 Product Overview Type DDSU666-H Smart Power Sensor (hereinafter referred to as the “Sensor”) is specially designed for the distributed photovoltaic system, to be a new Smart power sensor, combined with measurement and communication, mainly applied into the measurement for electrical quantity including voltage, current, power ,frequency, power factor, active energy etc. -
Page 10: Working Principles
Please see the conceptual diagram of the Sensor as Figure 2-2 Conceptual diagram. Issue 01 (2018-05-18) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. - Page 11 Characterized with cyclic display function, the shift time of cyclic display is 5s. Please see the cyclic displayed item in Table 2-1 Cyclic displayed items. Table 2-1 Cyclic displayed items Content Description Issue 01 (2018-05-18) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
- Page 12 9600: baud rate to be 9600bps 4800: baud rate to be 4800bps Comm.Add=11 Voltage U=220.0V Issue 01 (2018-05-18) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
- Page 13 4800bps and 9600bps. The default baud rate is 9600bps with check bit and stop bit to be n.1, communication address (see factory number or LCD display), support ModBus-RTU protocol. Issue 01 (2018-05-18) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
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Page 14: Application Scenarios
2 Overview For the definition of ModBus-RTU interface, please see article 2.1 of General signal definition table (Float) of Modbus interface definition and description of Huawei Smart Power Sensor with word version of V100, issued on January 29 , 2018. -
Page 15: Product Structure
Outline dimension: 36mm x 98mm x 66mm; Din-rail mounting dimension: 35mm, for the outline and installation dimension, please see Figure 2-7 as below. Figure 2-7 Product dimensions Issue 01 (2018-05-18) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. -
Page 16: System Maintenance
“parameter setting”. Issue 01 (2018-05-18) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. - Page 17 Pa, Pb, Pc, to be abnormal if any negative values. 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 18: A Technical Specifications
The percentage error of the sensor cannot exceed the following corresponding limited value. Current value Power factor The percentage error limitation of various grade instruments Direct connect Via transformer Class 1 Issue 01 (2018-05-18) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. -
Page 19: Start
A.2.5 Other technical parameters Scale range 0-999999.99 kWh Communication Modbus-RTU protocol protocol Issue 01 (2018-05-18) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. -
Page 20: Emc Specifications
Dimensions (H x W x D) 36 mm x 100 mm x 65.5 mm (± 0.5 mm) ≤ 0.3 kg Weight Issue 01 (2018-05-18) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. -
Page 21: Wiring Terminal Instruction
DDSU666-H Smart Power Sensor User Manual A Technical Specifications A.5 Wiring terminal instruction Issue 01 (2018-05-18) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. -
Page 22: 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.