DISCOVER LYNK II Manuale utente
1805-0040 REV A
(950-0025)
805-0040 LYNK II VICTRON
(SOLAR) MANUAL
2
1.0 AUDIENCE, SAFETY, MESSAGES, AND WARNINGS 3
1.1 Audience 3
1.2 Warning, Caution, Notice, and Note Messages 3
1.3 General Warnings 4
1.4 Safe Handling Procedures 4
1.5 Personal Protective Equipment 5
2.0 Documentation 5
3.0 Overview 6
3.1 System Overview 6
3.2 Compatibility 7
3.3 Minimum Battery System Capacity 8
4.0 CAN HardwareTermination and CAN Out PIN Configurations 9
4.1 LYNK II CANTermination 9
4.2 LYNK II CAN Out - RJ45 PIN Assignments for Victron Devices using VE.can 9
4.2.1 VE.CAN PIN Assignments 10
5.0 Installing and Connecting LYNK II to the VE.Can Network 11
5.1 Networking Discover Lithium Batteries with LYNK II 11
5.2 Connecting LYNK II to the VE.Can Network 12
6.0 Enabling LYNK II to Communicate with Victron Devices 13
6.1 Victron Open-Loop Configuration 14
6.1.1 Victron Open-loop Inverter-Charger Configuration Procedure 14
6.1.2 Victron Open-loop MPPT Charge Controller Configuration Procedure 16
6.2 Setting the LYNK II Communication Protocol for Victron Energy Devices 17
6.2.1 Victron Protocol Configuration Procedure 17
6.3 Victron Closed-Loop Configuration 18
6.3.1 Victron Closed-loop Configuration Procedure 18
6.4 Configurable Closed-Loop Settings 19
6.4.1 Saving the Configurable Closed-Loop Settings 21
3
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. Qualified personnel should have training, knowledge, and
experience in:
• Installing electrical equipment
• Applying applicable installation codes
• Analyzing and reducing hazards involved in performing electrical work
• Installing and configuring batteries
• Installing and configuring systems activated by relays
1.2 Warning, Caution, Notice, and Note Messages
Messages in this manual are formatted according to this structure.
Additional information concerning important procedures and features of
the product. Read all the instructions before installation, operation, and
maintenance.
Important information regarding hazardous conditions.
WARNING
Important information regarding hazardous conditions that may result in personal
injury or death.
CAUTION
Important information regarding hazardous conditions that may result in personal
injury.
NOTICE
Important information regarding conditions that may damage the equipment but not
result in personal injury.
NOTE
Ad hoc information concerning important procedures and features not related to
personal injury or equipment damage.
4
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.
WARNING
ELECTRIC SHOCK AND FIRE HAZARD
Do not lay tools or other metal parts on top of the battery or across the terminals.
Failure to follow these instructions may result in death or serious injury.
CAUTION
ELECTRIC SHOCK HAZARD
• Do not touch the energized surfaces of any electrical component in the battery
system.
• Before servicing the battery, follow all procedures to fully de-energize the
battery system.
• Follow the “Safe Handling Procedures” below when working with the battery.
Failure to follow these instructions may result in injury.
1.4 Safe Handling Procedures
Before using the battery and any power electronics, read all instructions and cautionary
markings on all components and appropriate sections of their manuals.
• Use personal protective equipment when working with batteries.
• Do not dispose of the battery in a fire.
• Promptly dispose of or recycle used batteries following local regulations.
• Do not disassemble, open, crush, bend, deform, puncture or shred.
• Do not modify, re-manufacture, or attempt to insert foreign objects into
the battery, immerse or expose the battery to water or other liquids, fire,
explosion, or other hazards.
• Only use the battery for the system for which it is specified.
• Do not lift or carry the battery while in operation.
• When lifting a heavy battery, follow the appropriate standards.
• Only lift, move, or mount following local regulations.
• Take care when handling battery terminals and cabling.
5
• Only use the battery with a charging system that meets specifications. Using
a battery or charger that does not meet specifications may present a risk of
fire, explosion, leakage, or other hazards.
• Do not short-circuit a battery or allow metallic conductive objects to contact
battery terminals.
• Replace the battery only with another battery that has been qualified for the
system. Using an unqualified battery may present a risk of fire, explosion,
leakage, or other hazards.
• Do not drop the device or battery. If the device or battery is dropped,
especially on a hard surface, and the user suspects damage, take it to a
service center for inspection.
1.5 Personal Protective Equipment
When handling or working near a battery:
• Use Personal Protective Equipment, including clothing, glasses, insulated
gloves, and boots.
• Do not wear rings, watches, bracelets, or necklaces.
2.0 Documentation
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.
Before installation and configuration, consult the relevant product documentation,
including Manuals, Application Notes, and Installation and Configuration Guides.
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).
6
3.0 Overview
This manual provides general settings and is not a comprehensive guide to the
programming and configuration of a specific installation. An installation may have
unique conditions or use cases that require modification or adaptations of values.
Installers must be capable of reviewing and adapting to the specifics of an installation
and its specific use case and optimizing settings where needed.
The key steps required to install and configure the LYNK II Communication Gateway
with compatible Discover Lithium batteries and power conversion equipment are as
follows:
• 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.
• Terminate all networks correctly.
• Set up the open-loop configuration parameters on the power conversion
equipment.
• Set the LYNK II using LYNK ACCESS software to the correct protocol to enable
closed-loop communication between the Discover batteries and the power
conversion equipment.
• Set up the closed-loop configuration parameters on the power conversion
equipment.
• Set up user preferences and enable the use case using the power conversion
control system.
3.1 System Overview
The LYNK II Communication Gateway unlocks the full potential of a Discover Lithium
battery by enabling the internal Battery Management System (BMS) to provide real-
time data in a closed-loop configuration to other devices.This configuration allows
hybrid inverter-chargers and solar charge controller systems to optimize control over
the charging process in solar applications. LYNK II also enables the remote monitoring
of Discover Lithium battery SOC and data logging of multiple sites using the data
monitoring services offered by off-grid inverter systems.
Discover Lithium batteries must be set up to work with power conversion and
monitoring devices in either an open-loop or closed-loop configuration.
In an open-loop configuration, charge and discharge settings are set up manually
through the controller for the power conversion device at the time of installation.
7
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.
If communication is interrupted between the BMS and Victron inverter-charger, the
Victron inverter-charger uses the charge and discharge settings specified for an open-
loop configuration.
NETWORK
TERMINATOR
NETWORK
TERMINATOR
VE.CAN
VE.DIRECT
VE.BUS
Figure 1. Example LYNK II with Victron Energy devices
3.2 Compatibility
LYNK II Communication Gateway is compatible with the following:
Discover Lithium Batteries
• AES LiFePO4: 44-48-3000, 42-48-6650
• HELIOS ESS: 46-24-1560, 46-48-1540
Victron Products
Control Panels:
• Cerbo GX
• Color Control GX
• Venus GX
Used in conjunction with:
• Quattro Inverter-Charger
• Multiplus Inverter-Charger
• SmartSolar MPPT
8
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. Either curtail the
charging below the operational limit of installed batteries, or the battery capacity must
accept the maximum charge current of the system. Derive this value by adding the
charge capacities of all inverter-chargers and solar charge controllers in the system.
Additionally, battery peak capacity must support the surge requirements demanded by
the load attached to the inverter. Match all inverter peak power values with the sum of
all battery peak battery current values.
Inverter Peak Amps DC = (Inverter Surge W) / (Inverter Efficiency) / (48V: Low Battery Cut-Off)
Discharge Continuous Amps DC = (Inverter Continuous W) / (Inverter Efficiency) / (48V: Low Battery
Cut-Off)
120V Models
Inverter
Peak
Amps
DC
Discharge
Continuous
Max Amps
DC
Charger
Continuous
Max Amps
DC
44-48-3000
Minimum
per
inverter
42-48-6650
Minimum
per
inverter
46-48-1560
Minimum
per
inverter
Quattro
48/3000/35
(1)
133 54 35 1 1 2
Quattro
48/5000/70
(2)
220 88 70 1 1 2
Quattro
48/10000/140
(3)
434 174 140 3 2 5
1Calculated based on max 6000W at 120 VAC peak output, 2400W at 120VAC continuous output,
efficiency 94.0 %, and 35A DC max charging, as published in Victron Data Sheet as of 22-09-01.
2Calculated based on max 10000W at 120 VAC peak output, 4000W at 120VAC continuous output,
efficiency 95.0 %, and 70A DC max charging, as published in Victron Data Sheet as of 22-09-01.
3Calculated based on max 20000W at 120 VAC peak output, 8000W at 120VAC continuous output,
efficiency 96.0 %, and 140A DC max charging, as published in Victron Data Sheet as of 22-09-01.
9
Inverter Peak Amps DC = (Inverter Surge W) / (Inverter Efficiency) / (24V: Low Battery Cut-Off)
Discharge Continuous Amps DC = (Inverter Continuous W) / (Inverter Efficiency) / (24V: Low Battery
Cut-Off)
120V Models
Inverter
Peak
Amps DC
Discharge
Continuous
Max Amps DC
Charger
Continuous
Max Amps DC
46-24-1560
Minimum per
inverter
MultiPlus 24/2000/50 (4) 178 71 50 1
MultiPlus 24/3000/70 (5) 244 107 70 2
Quattro 24/5000/120 (6) 444 178 120 2
4Calculated based on max 4000W at 120 VAC peak output,1600W at 120VAC continuous output,
efficiency 94.0 %, and 50A DC max charging, as published in Victron Data Sheet as of 22-09-01.
5Calculated based on max 5500W at 120 VAC peak output, 2400W at 120VAC continuous output,
efficiency 94.0 %, and 70A DC max charging, as published in Victron Data Sheet as of 22-09-01.
6Calculated based on max 10000W at 120 VAC peak output, 4000W at 120VAC continuous output,
efficiency 94.0 %, and 120A DC max charging, as published in Victron Data Sheet as of 22-09-01.
4.0 CAN Hardware Termination and CAN Out PIN Configurations
4.1 LYNK II CAN Termination
NOTICE
Disconnect power and all connections to the LYNK II Communication Gateway
before configuring header boards and jumpers.
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. Do not remove the termination jumper inside the LYNK II Communication
Gateway unless instructed by Discover Battery.
4.2 LYNK II CAN Out - RJ45 PIN Assignments for Victron Devices using
VE.can
Assign CAN signals (CAN H, CAN L, CAN GND) to pins of the RJ45 connector by
adjusting the jumpers on the header board.
10
4.2.1 VE.CAN PIN Assignments
CAN Out RJ45 PIN Header Jumper RJ45 PIN
CAN L H1 - 6-8 8
CAN H H1 - 7-9 7
CAN GND H3 - 1-3 3
8
7
6
5
4
3
2
1
JUMPER
CAN GND
CAN H
CAN L
H1
H2
H3
H4
7
8
7
8
7
8
3
4
4
3
4
3
4
1
2
2
1
2
1
2
5
6
5
6
5
6
5
9
10
9
10
9
10
9
10
7
86
31
LOW
HIGH
GROUND
Figure 2. LYNK II PIN assignments for communication with Victron Energy devices
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