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SmartACU2000B Smart Array Controller User Manual (with PID Modules, 800 V AC)

This document describes the SmartACU2000B smart array control cabinet (with PID Modules), that is, the smart array control unit in terms of installation, cable connections, commissioning, and maintenance. The codes are 02403699, 02403479, 02403781 and 02403783.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
About This Document

About This Document


This document describes the SmartACU2000B smart array controller (smart array controller for short), which is an outdoor cabinet, in terms of its installation, electrical connections, commissioning, and maintenance. Before installing and operating the device, closely read this manual to get familiar with the functions and features of the device as well as the precautions.

Figures used in this document are for reference only.

Intended Audience

This document is intended for photovoltaic (PV) plant operation personnel and qualified electrical technicians.

Symbol Conventions

The symbols that may be found in this document are defined as follows.



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 avoided, may result in minor or moderate injury.

Indicates a potentially hazardous situation which, if not avoided, could result in equipment damage, data loss, performance deterioration, or unanticipated results.

NOTICE is used to address practices not related to personal injury.

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 04 (2017-10-30)

Added the description about the smart array controllers with the knife fuse switch as the three-phase input switch.

Issue 03 (2017-09-15)

Added the description about the SmartACU2000B-D-PID/PLC-24V and SmartACU2000B-D-2PID/2PLC-24V smart array controllers.

Issue 02 (2017-08-10)

  • Updated the figures about the RS485 and PLC communication modes in Working Principles.
  • Updated the description about how to commission the PID module, SmartLogger2000, PLC CCO, and LAN switch after power-on in Powering On the System.
  • Updated the figures about parts replacement in System Maintenance.

Issue 01 (2017-02-05)

This issue is used for first office application (FOA).

Updated: 2019-07-09

Document ID: EDOC1100033474

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