DISCOVER DEYE LYNK II Manual
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DISCOVER DEYE LYNK II Manual

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(950-0025)
DEYE MANUAL
READ AND SAVE THESE INSTRUCTIONS
805-0084 REV A
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Summary of Contents for DISCOVER DEYE LYNK II

  • Page 1 (950-0025) DEYE MANUAL READ AND SAVE THESE INSTRUCTIONS 805-0084 REV A...

  • Page 2: Table Of Contents

    5 . INSTALLING AND CONNECTING LYNK II TO THE DEYE NETWORK . . . . . . . . . . . . . . . . . . . . . . . . 13 Networking Discover Lithium Batteries with LYNK II ......13 Connecting LYNK II to the Deye Network .

  • Page 3: Introduction

    INTRODUCTION This Application Note provides information about integrating LYNK and AEbus network-enabled Discover Lithium Batteries using the LYNK II Communication Gateway with Deye power conversion devices. 1 . AUDIENCE, WARNINGS, MESSAGES, GENERAL SAFETY, PERSONAL PROTECTIVE EQUIPMENT 1 .1 Audience Configuration, installations, service, and operating tasks should only be performed by qualified personnel in consultation with local authorities having jurisdiction and authorized dealers.

  • Page 4: General Warnings

    1 .3 General Warnings WARNING ELECTRIC SHOCK AND FIRE HAZARD • This equipment must only be installed as specified. • Do not disassemble or modify the battery. • If the battery case has been damaged, do not touch exposed contents. •...

  • Page 5: Personal Protective Equipment

    2 . DOCUMENTATION This Application Note provides information about integrating LYNK and AEbus network-enabled Discover Lithium Batteries using the LYNK II Communication Gateway with Deye power conversion devices in a closed-loop configuration. Before installation and configuration, consult the relevant product documentation, including Manuals, Application Notes, Installation and Configuration Guides.
  • Page 6 SUN-8/10/12K-SG05LP3-EU-SM2 | 8-12kW | Three Phase | 2 MPPT | Hybrid Inverter | LV Battery Supported Visit https://www.deyeinverter.com/ for the most recent version of published documents. Discover Energy Systems Documentation Visit https://www.discoverlithium.com for the most recent version of published documents. •...

  • Page 7: Overview

    • Configure the LYNK II CAN out pins to match the CAN in pins of the power conversion equipment. • Mount the LYNK II, connect the Discover battery communication network to either the LYNK Port or AEbus Port, and then connect the CAN Out Port to the power conversion equipment's communication network.

  • Page 8: Compatibility

    Figure 1. System Overview 3 .2 Compatibility Discover Lithium Batteries A Discover battery must have a compatible network port, such as a LYNK Port or AEbus Port, for communicating with a LYNK II device. • AES RACKMOUNT: 48-48-5120, 48-48-5120-H Deye Inverters...

  • Page 9: Minimum Battery System Capacity

    • SUN-3/4/5/6/8/10/12K-SG05LP3-EU-SM2 3 .3 Minimum Battery System Capacity The Discover Lithium Battery and Deye device automatically manage the battery charge and discharge rates. Using large solar arrays with battery banks that are too small can exceed the operating limits of the battery to charge and possibly lead to the BMS triggering over-current protection.
  • Page 10 Calculated based on the peak power of 2 times rated power (10 seconds) and max efficiency of 97 .6% as published in Deye SUN-3.6/5/6/7 .6/8K-SG05LP1-EU Hybrid Inverter User Manual (Ver: 2.2, 2024-03-26). Discover AES RACKMOUNT 48-48-5120/48-48-5120-H Battery, Peak Power: 218 A RMS (3 seconds), 95 A DC Continuous Charge/Discharge, as published in Discover AES RACKMOUNT Installation and Operation Manual (805- 0043 Rev F).

  • Page 11: Lynk Ii Can Hardware Termination And Can Out Pin Configuration

    Deye Three Phase Hybrid Inverter SUN-8/10/12K-SG05LP3-EU-SM2 datasheet (downloaded from the website 2024-04-11). Discover AES RACKMOUNT 48-48-5120/48-48-5120-H Battery, Peak Power: 218 A RMS (3 seconds), 95 A DC Continuous Charge/Discharge, as published in Discover AES RACKMOUNT Installation and Operation Manual (805- 0043 Rev F).

  • Page 12: Lynk Ii Can Out - Rj45 Pin Assignments For Deye Inverters

    NOTE LYNK II terminates the AEbus and LYNK Network by default. Do not remove the termination jumper inside LYNK II unless instructed to do so by Discover Energy Systems. 4 .2 LYNK II CAN Out - RJ45 PIN Assignments for Deye Inverters CAN signals (CAN H, CAN L, CAN GND) can be assigned to any pin of the RJ45 connector on the LYNK II by adjusting the jumpers on the header board.

  • Page 13: Installing And Connecting Lynk Ii To The Deye Network

    38.00 465.90 459.30 • Discover Lithium batteries must be set to ON to supply power and communicate data with LYNK II. AES RACKMOUNT Figure 3. AES RACKMOUNT Battery Module Both LYNK II and AES RACKMOUNT Battery Modules are internally terminated. No extra termination is required.

  • Page 14: Connecting Lynk Ii To The Deye Network

    6 . ENABLING LYNK II TO COMMUNICATE WITH DEYE DEVICES When properly connected to a closed-loop network and set to use the Deye protocol, LYNK II will transmit real-time parameters from the Discover Lithium battery, including voltage, current, temperature, state of charge, and fault conditions to a Deye inverter-charger.

  • Page 15: Setting Deye Closed-Loop Configuration

    Deye inverter-charger will eventually put the attached battery into an overcharged or fully discharged state. When that occurs, either situation will trigger the Discover Lithium Battery BMS to self-protect and disconnect the battery from the system.
  • Page 16 Deye inverter- charger will eventually put the attached battery into an overcharged or fully discharged state. When that occurs, either situation will trigger the Discover Lithium Battery BMS to self-protect and disconnect the battery from the system.
  • Page 17 Deye documentation for menu navigation and details on the setup procedure. 1. Set the Discover Lithium batteries to ON and set the inverter-charger to ON. 2. Using the touch screen and keypad on the inverter-charger, navigate to Main Screen >...
  • Page 18 Figure 7. Battery Setting - Closed-Loop Charge Settings Touch the Up and Down arrows to scroll through screens. Touch the check mark button to save changes, X to cancel. Ignore data displayed in gray boxes. Battery Setting (page 3) Lithium Mode Set this value to 00.

  • Page 19: Appendix

    Discover Lithium battery documentation for battery values and the latest Deye documentation for details on menu navigation and the setup procedure. 1. Set the Discover Lithium batteries to ON and set the inverter-charger to ON. 2. Using the touch screen and keypad on the inverter, navigate to Main Screen >...
  • Page 20 Battery Setting (page 1) Max A Charge For a single inverter, set to the smaller value between the inverter’s maximum charge rate or the quantity of attached batteries multiplied by the battery’s maximum charge rating. For example: Single phase system with SUN-6K-SG01LP1-US inverter and two AES RACKMOUNT 48-48-5120 batteries: •...
  • Page 21 Figure 10. Battery Setting - Generator / Grid Charge Settings Touch the Up and Down arrows to scroll through screens. Touch the check mark button to save changes, X to cancel. Ignore data displayed in gray boxes. Battery Setting (page 2) Start (%) Not required in an open-loop configuration.
  • Page 22 Figure 11. Battery Setting - Inverter Shutdown/Restart Settings Touch the Up and Down arrows to scroll through screens. Touch the check mark button to save changes, X to cancel. Ignore data displayed in gray boxes. Battery Setting (page 3) Lithium Mode This property is not applicable in a open-loop configuration.
  • Page 23 Inverter AC output continues when the battery reaches the specified SOC. TEMPCO (mv/C/Cell) Set to 0 mv/C/Cell. Batt Resistance Keep the default value of 25 mOhms. Discover Lithium batteries do not require temperature compensation. Setting TEMPCO to 0 mv/C/Cell disables inverter controlled temperature compensation.

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950-0025

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