DISCOVER LYNK II Manual
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DISCOVER LYNK II Manual

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(950-0025)
805-0040 LYNK II VICTRON
(SOLAR) MANUAL
805-0040 REV A
1

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Summary of Contents for DISCOVER LYNK II

  • Page 1 (950-0025) 805-0040 LYNK II VICTRON (SOLAR) MANUAL 805-0040 REV A...

  • Page 2: Table Of Contents

    3.3 Minimum Battery System Capacity 4.0 CAN Hardware Termination and CAN Out PIN Configurations 4.1 LYNK II CAN Termination 4.2 LYNK II CAN Out - RJ45 PIN Assignments for Victron Devices using VE.can 9 4.2.1 VE.CAN PIN Assignments 5.0 Installing and Connecting LYNK II to the VE.Can Network 5.1 Networking Discover Lithium Batteries with LYNK II...

  • Page 3: Audience, Safety, Messages, And Warnings

    Introduction This Application Note provides information about integrating LYNK and AEbus network-enabled Discover Lithium Batteries using the LYNK II Communication Gateway with Victron inverter-chargers. 1.0 AUDIENCE, SAFETY, MESSAGES, AND WARNINGS 1.1 Audience Configuration, installation, 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. • There are no user-serviceable parts inside. Failure to follow these instructions may result in death or serious injury.

  • Page 5: Personal Protective Equipment

    Victron Energy Documentation Visit https://www.victronenergy.com/ for the most recent version of published documents. Discover Battery Documentation Visit http://discoverbattery.com for the most recent version of published documents, including Discover Lithium battery user manuals and the LYNK II Installation and Operation Manual (805-0033).

  • Page 6: Overview

    • Review and confirm equipment compatibility and correct sizing. • 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 7: Compatibility

    In a closed-loop configuration, the BMS of the Discover Lithium battery sends battery status over a network data connection with the power conversion device. Power conversion devices use the Discover Lithium battery BMS data to fine-tune the output of their charger and deliver other functional controls based on battery voltage, temperature, and percent State-of-Charge.

  • Page 8: Minimum Battery System Capacity

    3.3 Minimum Battery System Capacity Battery charge and discharge rates are managed automatically by the Discover Lithium Battery and Victron Energy device. 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 9: Can Hardware Termination And Can Out Pin Configurations

    Jumpers configure termination for the AEbus and LYNK Network and the CAN Out PIN assignments. Follow the LYNK II Installation and Operation Manual (805-0033) to access and configure the header board with jumpers. Detailed PIN configurations are included in the LYNK II manual and are repeated here for convenience. NOTE The LYNK II Communication Gateway terminates the AEbus and LYNK Network by default.

  • Page 10: Ve.can Pin Assignments

    Header Jumper RJ45 PIN CAN L H1 - 6-8 CAN H H1 - 7-9 CAN GND H3 - 1-3 HIGH JUMPER CAN L CAN H CAN GND GROUND Figure 2. LYNK II PIN assignments for communication with Victron Energy devices...

  • Page 11: Installing And Connecting Lynk Ii To The Ve.can Network

    Discover Lithium battery models. Some key points are repeated here for convenience. • Connect at least one battery to the LYNK Port on the LYNK II. • A network of batteries will communicate as one battery.

  • Page 12: Connecting Lynk Ii To The Ve.can Network

    LYNK II is internally terminated. AES batteries are not internally terminated. When using LYNK II on an AEbus network, install a terminator opposite the LYNK II at the far end of the battery network. NOTE • AES LiFePO 48 V batteries sold before Jan 1, 2020, will not supply power to LYNK II using the network cable connection.

  • Page 13: Enabling Lynk Ii To Communicate With Victron Devices

    ◦ Insert a terminator in the other VE.Can port to terminate the CAN network. 6.0 Enabling LYNK II to Communicate with Victron Devices When the LYNK II is in a closed-loop network using the CANopen 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 Victron Energy device.

  • Page 14: Victron Open-Loop Configuration

    Refer to the latest Discover Battery documentation for battery values and the latest Victron documentation for details on menu navigation and the setup procedure. 1. Set the Discover Lithium batteries to ON and set the inverter to ON. 2. Connect your computer to the Victron GX device or inverter-charger.
  • Page 15 1.0 < 3.0 Hr 1.0 < 3.0 Hr 1.0 < 3.0 Hr 1.0 < 3.0 Hr Enabled is recommended. Precautionary settings ignored during normal operation and communication with Discover Lithium Battery. The lowest operating voltage allowed. Increase voltage as required.

  • Page 16: Victron Open-Loop Mppt Charge Controller Configuration Procedure

    Charger enabled loop (voltage-based) settings when Battery preset User defined there is a break in communication with LYNK II. Therefore, as a precautionary Expert mode measure, it is recommended to Charge voltages program the Victron MPPT with the Absorption voltage 55.20V...

  • Page 17: Setting The Lynk Ii Communication Protocol For Victron Energy Devices

    6.2 Setting the LYNK II Communication Protocol for Victron Energy Devices 6.2.1 Victron Protocol Configuration Procedure 1. Download the current version of LYNK ACCESS software from the Discover Battery website to get the most up-to-date suite of available protocol configurations.

  • Page 18: Victron Closed-Loop Configuration

    3. Connect the LYNK II. In LYNK ACCESS, confirm that only one LYNK device is connected to the computer. 4. In LYNK ACCESS, select the LYNK tab for optional configuration and settings. Select the blue gear icon in the upper right area of the CAN Settings tile.

  • Page 19: Configurable Closed-Loop Settings

    Figure 9. Device List NOTE • If Discover does not appear on the Device List, confirm that the CAT5 communication cable is a normal patch type, not a cross-over type. Use manufactured cables to avoid bad crimps and reduce the risk of a poor connection.
  • Page 20 Setting DVCC (Distributed Voltage and Forced on Current Control) Limit charge current Installed number of Discover Lithium batteries Maximum charge current x their rated Maximum Charger current, or a lower value if system curtailment is required. Limit Managed Battery Charge...

  • Page 21: Saving The Configurable Closed-Loop Settings

    6.4.1 Saving the Configurable Closed-Loop Settings Device List > Settings> General > Reboot? After all DVCC menu items have been set, reboot the system. 15:48 General User & Installer Access level Remote support Reboot? Audible alarm Disabled Demo Mode Starting demo mode will change some settings and the Pages Pages Menu...

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