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Huawei EMMA Pro User Manual
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Huawei EMMA Pro User Manual

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EMMA-(A01, A02)
User Manual
Issue
05
Date
2024-01-19
HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei EMMA Pro

  • Page 1 EMMA-(A01, A02) User Manual Issue Date 2024-01-19 HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
  • Page 2 Notice The purchased products, services and features are stipulated by the contract made between Huawei Digital Power Technologies Co., Ltd. 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"...

  • Page 3: About This Document

    About This Document About This Document Purpose This document describes the EMMA-A01 and EMMA-A02 (EMMA Pro) in terms of safety precautions, product introduction, installation, electrical connections, power-on and commissioning, maintenance, and technical data. Read this document carefully before installing and using the EMMA.
  • Page 4 Reference. 2023-12-30 Updated Networking. 2023-11-30 ● Updated About This Document. ● Updated Networking. ● Updated 2.4 Label Description. 2023-10-31 Updated Networking. 2023-09-15 This issue is the first official release. Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 5: Table Of Contents

    6 Power-On and Commissioning................... 40 6.1 Check Before Power-On..............................40 6.2 Powering On the EMMA..............................41 6.3 Commissioning the EMMA..............................42 6.3.1 Deploying a New Plant..............................43 6.3.2 Commissioning Functions............................... 44 7 Maintenance........................... 46 Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 6 B Certificate Management and Maintenance..............51 B.1 Preconfigured Certificate Risk Disclaimer........................51 B.2 Application Scenarios of Preconfigured Certificates....................52 C Contact Information......................53 D Intelligent Customer Service....................55 E Acronyms and Abbreviations....................56 Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 7: Safety Information

    D ANGER During operations, use dedicated insulated tools to prevent electric shocks or short circuits. The dielectric withstanding voltage level must comply with local laws, regulations, standards, and specifications. Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 8 Personnel who will perform special tasks such as electrical operations, working at heights, and operations of special equipment must possess the required local qualifications. ● Only certified high-voltage electricians are allowed to operate medium- voltage equipment. Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 9: Electrical Safety

    Before installing or removing power cables, turn off the switches of the equipment and its upstream and downstream switches. ● If any liquid is detected inside the equipment, disconnect the power supply immediately and do not use the equipment. Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 10 Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 11 When touching the equipment and handling boards, modules with exposed circuit boards, or application-specific integrated circuits (ASICs), observe ESD protection regulations and wear ESD clothing and ESD gloves or a well- grounded ESD wrist strap. Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 12: Environment Requirements

    Do not place the equipment near heat sources or fire sources, such as smoke, candles, heaters, or other heating devices. Overheat may damage the equipment or cause a fire. Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 13 (the area shall be greater than or equal to 3 m x 2.5 m). ● Do not install the equipment outdoors in salt-affected areas because it may be corroded. A salt-affected area refers to the region within 500 m of the Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 14: Mechanical Safety

    Do not use tools that have signs of scratches or fail to pass the inspection or whose inspection validity period has expired. Ensure that the tools are secure and not overloaded. Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 15 Move a heavy object stably with balanced force at an even and low speed. Put down the object stably and slowly to prevent any collision or drop from scratching the surface of the equipment or damaging the components and cables. Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 16 The Company is not responsible for any accident caused by violation of the safety regulations on working at heights. ● Behave cautiously when working at heights. Do not rest at heights. Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 17 ● If you use a single ladder to climb up to a platform, ensure that the ladder is at least 1 m higher than the platform. Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 18 To avoid short circuits or other risks, do not drill holes into buried pipes or cables. ● When drilling holes, protect the equipment from shavings. After drilling, clean up any shavings. Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 19: Product Description

    The EMMA is a device that manages energy in a home with a PV system. It can implement unified scheduling and management of home energy. The EMMA has two models: Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 20 Inverters connect to the EMMA over RS485. A maximum of three inverters can be connected in parallel. ● The EMMA is connected to the router through the FE or WLAN port. Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 21 Smart circuit Shelly Pro 2PM 0.10.2-beta1, 1.0.3, 1.0.8, 1.1.0- breaker beta3 NO TICE For details about the mapping in the EMMA network, see Residential Smart PV Solution User Manual (EMMA). Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 22: Appearance

    CT input port (12V_IN/ output/DO port (RS485/DI/12 RS485/CT Input) V_OUT/DO) (5) AC input port (L1 IN/L2 IN/L3 IN/N (6) WAN port (WAN) (7) LAN port (LAN) (8) LED indicator/RST button Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 23 When the WiFi access point (AP) is idle module the button and disabled, you can hold down the hibernation for 1s to button for 1s to 3s to wake up the WiFi wakeup Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 24: Label Description

    ● REGKEY: registration code for registering the FusionSolar Smart PV Management System (SmartPVMS) on the app. ● SSID: WLAN hotspot name. ● PSW: password for logging in to the WLAN. Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 25 The following figure shows the position of the nameplate, including the trademark, product model, key technical specifications, compliance symbols, company name, and place of origin. Figure 2-4 Position of the nameplate (1) Position of the nameplate Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 26: Storage Requirements

    The EMMA must be protected against rain and water. ● If the EMMA has been stored for more than two years, it must be checked and tested by professionals before use. Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 27: Installation

    EMMA-(A01, A02) User Manual 4 Installation Installation 4.1 Installation Requirements Figure 4-1 Installation requirements 4.2 Preparing Tools Table 4-1 Personal protective equipment (PPE) Safety helmet Goggles Reflective vest Insulated shoes Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 28 Table 4-2 Installation tools Cable cutter Diagonal pliers Wire stripper RJ45 crimping tool Flat-head Phillips insulated Utility knife Marker insulated torque torque screwdriver screwdriver Steel measuring Cable tie Multimeter Eject pin tape Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 29: Checking Before The Installation

    Step 1 Clamp the EMMA onto the DIN 35 mm standard guide rail from bottom to top, and push the EMMA upwards. Step 2 Fasten the EMMA to the guide rail. Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 30 EMMA-(A01, A02) User Manual 4 Installation Figure 4-3 Installing the EMMA ----End Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 31: Electrical Connections

    Cable scraps may cause sparks and result in personal injury and equipment damage. NO TE The cable colors shown in cable connection schematic diagrams are for reference only. Select cables according to local cable specifications. Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 32: Preparing Cables

    ● The factors to be considered in cable selection include the rated current, cable type, routing mode, ambient temperature, and maximum acceptable line loss. Figure 5-1 Cable connection diagram: internal CT connection (current ≤ 63 A) Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 33 Outdoor copper ● Internal CT Prepared power cable cable connection: 16 by the AC_OUT (temperature customer AC output resistance ≥ power cable ● External CT 90°C) connection: 6 to 16 Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 34 ● Primary side: ● The external CT communications cables are shorter than or equal to 30 m and not routed separately. It is recommended that the cables be routed through pipes. Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 35: Connecting The Ac Power Cable Or External Ct Cable

    5.2 Connecting the AC Power Cable or External CT Cable The EMMA supports internal CT connection (current ≤ 63 A) or external CT connection (current > 63 A). Context Figure 5-3 AC input power cable ports Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 36 Supply power to loads in internal CT cable L1 connection mode. L2-OUT AC output power cable L2 L3-OUT AC output power cable L3 N-OUT AC output power cable N Figure 5-5 10-pin connector Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 37 You are advised to prepare cord end terminals for AC power cables. (1) Cord end terminal (2) Crimping tool (Optional) For the external CT connection, connect the external CT cables to the 10-pin signal connector. Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 38 Step 2 Open the protective cover of the cable fixing screw, insert the AC power cable into the AC input port, and tighten the screw. Step 3 Connect all AC power cables and external CT cables based on the power grid connection. Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 39 Figure 5-7 Internal CT connection (current ≤ 63 A) NO TE In the single-phase cable connection scenario (L N), you are advised to connect cables to the L1 and N terminals on the EMMA. Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 40 EMMA-(A01, A02) User Manual 5 Electrical Connections Figure 5-8 External CT connection (current > 63 A) ----End Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 41: Connecting Rs485 Communications Cables, Do Signal Cables, And 12 V Output Cables

    12 V@100 mA, and the output 12 V power output– voltage ranges from 9.5 V to 13.2 ● The port is used to help the DO control the heat pump. Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 42 Mode 1: Use a 12 V@100 mA power supply to drive the external relay. Choose the proper contact capability of the external relay according to the SG Ready heat pump port. Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 43 Figure 5-12 Connecting the signal DO to the SG Ready heat pump Step 3 Insert the 14-pin signal connector into the EMMA. Figure 5-13 Installing a 14-pin signal connector ----End Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 44: Installing Fe Communications Cables

    Step 1 Connect the FE communications cables. Figure 5-14 Connecting FE communications cables (1) White-and-orange (2) Orange (3) White-and-green (4) Blue (5) White-and-blue (6) Green (7) White-and-brown (8) Brown ----End Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 45: Optional) Installing External Wlan Antennas

    SMA-J port can be configured to enhance the signal quality. Procedure Step 1 Remove the dustproof cap from the ANT port. Step 2 Install the external WLAN antenna. Figure 5-15 Installing a WLAN antenna ----End Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 46: Power-On And Commissioning

    Cables are bound neatly, and cable ties are secured evenly and properly in the same direction. There are no unnecessary adhesive tapes or cable ties on cables. Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 47: Powering On The Emma

    (on for 1s and then off for Blinking red fast A major alarm is generated. (on for 0.5s and then off for 0.5s) Steady red A critical alarm is generated. Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 48: Commissioning The Emma

    Blinking green The communication between the EMMA and fast (on for the management system is interrupted. 0.125s and then off for 0.125s) ----End 6.3 Commissioning the EMMA Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 49: Deploying A New Plant

    EMMA-(A01, A02) User Manual 6 Power-On and Commissioning 6.3.1 Deploying a New Plant Figure 6-1 Deploying a new plant Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 50: Commissioning Functions

    Applies to areas that have peak demand charges. The capacity control function allows you to lower the peak power drawn from grid in maximum self-consumption or TOU mode during peak hours, reducing electricity fees. Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 51 WLAN signals. If an external antenna is used, set the antenna in the built-in WLAN parameters to an external antenna. For details about app operations, see FusionSolar App User Manual. Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 52: Maintenance

    To ensure that the EMMA operates properly for a long term, you are advised to perform routine maintenance as described in this section. CA UTION Before performing maintenance operations such as connecting cables, the EMMA must be powered off. Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 53: Alarm Reference

    ● Check whether cables are damaged, especially whether the cable sheath that contacts a metal surface is damaged. 7.2 Alarm Reference For details about alarms, see EMMA Alarm Reference. Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 54: Technical Specifications

    RAT and frequency band: 802.11b/g/n (2.412–2.484 GHz) Current ● Internal CT connection: ≤ 63 A measurement ● External CT connection: > 63 A range Electric energy Class 1 (error within ±1%) precision Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 55 –40°C to +85°C temperature Operating Typical: 4 W power consumption Ingress IP2X protection (IP) rating Installation Power distribution box guide rail installation, DIN 35 mm mode standard guide rail Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 56: A Resetting Passwords

    The login passwords of the local installer and user accounts are reset to the initial ones. You can log in to the local commissioning screen to reset the login passwords. ----End Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 57: B Certificate Management And Maintenance

    Preconfigured Huawei-issued certificates are used only in the deployment phase, for establishing initial security channels between devices and the customer's network. Huawei does not promise or guarantee the security of preconfigured certificates. The customer shall bear consequences of all security risks and security incidents arising from using preconfigured Huawei-issued certificates as service certificates.

  • Page 58: Application Scenarios Of Preconfigured Certificates

    Modbus-TCP. /mnt/home/cert/tcpmb_server_cert_old/ ca_single_2.crt /mnt/home/cert/tcpmb_server_cert_old/ ca_single_0_1.crt /mnt/home/cert/ftp_server/ca.crt Authenticates the validity of the peer /mnt/home/cert/ftp_server/ charger when tomcat_client.crt communicating with the charger through the BIN protocol. Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 59: C Contact Information

    To ensure faster and better services, we kindly request your assistance in providing the following information: ● Model ● Serial number (SN) ● Software version ● Alarm ID or name ● Brief description of the fault symptom Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 60 EMMA-(A01, A02) User Manual C Contact Information NO TE EU Representative Information: Huawei Technologies Hungary Kft. Add.: HU-1133 Budapest, Váci út 116-118., 1. Building, 6. floor. Email: hungary.reception@huawei.com Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 61: D Intelligent Customer Service

    EMMA-(A01, A02) User Manual D Intelligent Customer Service Intelligent Customer Service https://digitalpower.huawei.com/robotchat/ Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 62: E Acronyms And Abbreviations

    EMMA-(A01, A02) User Manual E Acronyms and Abbreviations Acronyms and Abbreviations alternating current application current transformer direct current digital input digital output Ethernet gigabit Ethernet Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 63 MPPT maximum power point tracking normally closed normally open power over Ethernet reset state of charge state of health wide area network Issue 05 (2024-01-19) Copyright © Huawei Digital Power Technologies Co., Ltd.

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