Huawei EMMA-A01 User Manual
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Huawei EMMA-A01 User Manual

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EMMA-(A01, A02)
User Manual
Issue
01
Date
2023-09-15
HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei EMMA-A01

  • Page 1 EMMA-(A01, A02) User Manual Issue Date 2023-09-15 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 for short) 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 NOTE is used to address information not related to personal injury, equipment damage, and environment deterioration. Change History Issue Release Date Description 2023-09-15 This issue is the first official release. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 5: Table Of Contents

    6 Power-On and Commissioning................... 38 6.1 Check Before Power-On..............................38 6.2 Powering On the EMMA..............................39 6.3 Commissioning the EMMA..............................40 6.3.1 Deploying a New Plant..............................41 6.3.2 Commissioning Functions............................... 42 7 Maintenance........................... 44 Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 6 B Certificate Management and Maintenance..............52 B.1 Preconfigured Certificate Risk Disclaimer........................52 B.2 Application Scenarios of Preconfigured Certificates....................53 C Contact Information......................54 D Intelligent Customer Service....................56 E Acronyms and Abbreviations....................57 Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 7: Safety Information

    ● The equipment is operated beyond the conditions specified in this document. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 8: Personal Safety

    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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 9 Professionals: personnel who are familiar with the working principles and structure of the equipment, trained or experienced in equipment operations and are clear of the sources and degree of various potential hazards in equipment installation, operation, maintenance Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 10: Electrical Safety

    Prevent foreign matter from entering the equipment during operations. Otherwise, equipment damage, load power derating, power failure, or personal injury may occur. CA UTION Do not route cables near the air intake or exhaust vents of the equipment. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 11 Do not scrawl, damage, or block any labels or nameplates on the equipment. Promptly replace labels that have worn out. ● Do not use solvents such as water, alcohol, or oil to clean electrical components inside or outside of the equipment. Issue 01 (2023-09-15) 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 13 (recommended area: 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 14: Mechanical Safety

    ● Use correct tools and operate them in the correct way. Moving Heavy Objects ● Be cautious to prevent injury when moving heavy objects. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 15 Before using a ladder, check that it is intact and confirm its load bearing capacity. Do not overload it. ● Ensure that the ladder is securely positioned and held firm. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 16 ● 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 17 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 18: 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 19 (K) Inverter (L) EMMA The networking is described as follows: ● The preceding figure uses the EMMA-A02 as an example. The EMMA-A01 cannot connect to smart electrical devices such as chargers, SG Ready heat pumps, and smart switches. ● Inverters connect to the EMMA over RS485. A maximum of three inverters can be connected in parallel.

  • Page 20: 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 21 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 22: 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 23 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 24: 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 25: 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 26 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 27: 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 28 EMMA-(A01, A02) User Manual 4 Installation Figure 4-3 Installing the EMMA ----End Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 29: 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 30: Preparing Cables

    NO TICE ● This document uses the EMMA-A02 as an example to describe electrical connections. The EMMA-A01 supports only the PV and ESS features. Therefore, do not connect signal cables of chargers, heat pumps, and other intelligent electrical equipment to the EMMA.
  • Page 31 Sectional Area AC_IN AC input Outdoor copper Prepared 16 mm power cable cable by the customer AC_OUT AC output Outdoor copper Prepared 16 mm power cable cable by the customer Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 32 ● 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 33: 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 34 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 35 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 36 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 37 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 38 EMMA-(A01, A02) User Manual 5 Electrical Connections Figure 5-8 External CT connection (current > 63 A) ----End Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 39: 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 40 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 41 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 42: 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 43: 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 44: 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 45: 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 46: 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 47: 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 48: 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 49 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 50: 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 51: Alarm Reference

    ● Warning: Potential faults that may affect services are detected. Further check or diagnosis is required before any corrective measures. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 52 The DI cable Check the cable connection connection is between the Ripple Control device abnormal. and the inverter. Ensure that the Ripple Control device is connected to only one inverter. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 53 2. The certificate Invalid file is abnormal 2. Contact your vendor or technical or incorrect. support to apply for a new certificate file and load it. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 54 2. Check whether the FE cable or Wi-Fi connection between the smart switch and router is normal. Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 55: 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 56 –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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 57: 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 58: 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 59: 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 60: 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 61 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 62: D Intelligent Customer Service

    EMMA-(A01, A02) User Manual D Intelligent Customer Service Intelligent Customer Service https://digitalpower.huawei.com/robotchat/ Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

  • Page 63: 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 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 64 MPPT maximum power point tracking normally closed normally open power over Ethernet reset RSTP Rapid Spanning Tree Protocol state of charge state of health wide area network Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

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