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Victron energy Cerbo GX Manual

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ENGLISH
Cerbo GX Manual
Rev 25 - 10/2023
This manual is also available in HTML5.

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  • Page 1 ENGLISH Cerbo GX Manual Rev 25 - 10/2023 This manual is also available in HTML5.

  • Page 2: Table Of Contents

    Cerbo GX Manual Table of Contents 1. Safety instructions ........................1 2. Introduction ........................... 2 2.1. What is the Cerbo GX? ..................... 2 2.2. What's in the box? ......................2 3. Installation ..........................3 3.1. Cerbo GX Overview of connections ..................3 3.2.
  • Page 3 Cerbo GX Manual 6.4. Mobile (cellular) network using a 3G or 4G router ..............38 6.5. USB tethering using a mobile phone ..................39 6.6. Manual IP configuration ....................39 6.7. Multiple connections (failover) ................... 39 6.8. Minimise internet traffic ....................39 6.9.
  • Page 4 Cerbo GX Manual 12. VRM Portal ......................... 79 12.1. VRM Portal introduction ....................79 12.2. Registering on VRM ..................... 79 12.3. Datalogging to VRM ..................... 79 12.4. Troubleshooting data logging ................... 81 12.5. Analysing data offline, without VRM ................... 84 12.6.
  • Page 5 19.2.8. Q8: There is a menu entry named "Multi", while there is no Inverter, Multi or Quattro connected .. 130 19.2.9. Q9: When I type the IP address of the Cerbo GX into my browser, I see a web page mentioning Hiawatha? ....................
  • Page 6 21.1.5. Device Classes ....................143 21.1.6. Instance Translation ..................144 21.1.7. RV-C Fault and Error Handling ................144 21.1.8. RV-C Device Priority ..................145 21.2. Cerbo GX Dimensions ....................146 21.3. Modbus holding registers for the ComAp CM-Ethernet module ........... 146...

  • Page 7: Safety Instructions

    Cerbo GX Manual 1. Safety instructions SAVE THESE INSTRUCTIONS – This manual contains important instructions that shall be followed during installation, setup, operation and maintenance. • Please read this manual carefully before the product is installed and put into use •...

  • Page 8: Introduction

    All the other system-components such as inverter/chargers, solar chargers, and batteries are connected to it. The Cerbo GX ensures that they all work in harmony. To monitor and control your system, you can simply access it remotely via our...

  • Page 9: Installation

    Cerbo GX Manual 3. Installation 3.1. Cerbo GX Overview of connections Communication ports Other 3x VE.Direct 4x Digital Inputs MicroSD Card Slot (max. 32GB) 1x VE.Can (non-isolated) and 1x BMS-Can 4x Resistive Tank Level Inputs Power in port (8 - 70VDC) 1x VE.Bus...

  • Page 10: Mounting Options And Accessories

    Cerbo GX Manual 3.2. Mounting options and accessories The following mounting options and accessories are available for purchase: • GX Touch 50 & GX Touch 70 displays • GX Touch wall mount available in 5" and 7" • GX Touch 50 adapter for CCGX cut-out •...

  • Page 11: Powering The Cerbo Gx

    When the Cerbo GX is used in an installation with a VE.Bus BMS, connect the Power in V+ on the Cerbo GX to the terminal labelled 'Load disconnect' on the VE.Bus BMS. Connect both negative leads to the negative stub of a common battery.

  • Page 12: Gx Touch 50 & Gx Touch 70

    Connecting the GX Touch 50 or GX Touch 70 Note that the GX Touch must be connected to the Cerbo GX before powering it on. The best way to do this is to unplug the power connector from the Cerbo GX prior to installation.
  • Page 13 Cerbo GX Manual +VDC Page 7 Installation...

  • Page 14: Deactivating Touch Input Control

    There are two ways to disable the touch function of the display: 1. Using a momentary-push button wired to one of the digital inputs 2. By using an external USB keyboard connected to the Cerbo GX; The touch function can then be toggled on and off by pressing the Pause/Break key.

  • Page 15: Relay Connections

    Cerbo GX Manual 3.6. Relay connections The Cerbo GX has potential-free Normally Open (NO) and Normally Closed (NC) relay functionality. The function of the relays can be set via the GX menu, Settings → Relay → Function. Relay 1 is of particular importance because, in addition to manual and...

  • Page 16: Connecting Victron Products

    It is possible to connect both a Cerbo GX and a Digital Multi Control to a VE.Bus system. The ability to switch the product On, Off or set it to Charger Only via the Cerbo GX will be disabled. The same applies to the input current limit: when there is a Digital Multi Control in the system, the input current limit which is set at that control panel will be the master-setting, and changing it on the Cerbo GX will not be possible.

  • Page 17: Ac Load Monitoring

    Cerbo GX Manual Only one VE.Bus system can be connected to the VE.Bus ports on the back of the Cerbo GX. The professional way to to monitor more systems is to add a second Cerbo GX If you do require to connect more than one system to the same Cerbo GX, use an MK3-USB. Functionality will be limited: •...

  • Page 18: Dc Load Monitor Mode

    Generic load, Electric drive, Fridge, Water pump, Bilge pump, DC system, Inverter, Water heater Once connected to the Cerbo GX, the type and the amps and power of the DC load is shown in the user interfaces and available on the VRM Portal.

  • Page 19: Ve.can Devices

    BMS-Can is intended to be used with compatible managed battery systems, such as Pylontech, BYD, Freedomwon and many more. These must be terminated at the Victron end (on the Cerbo GX) with the included terminator (same one as used with VE.Can).

  • Page 20: Inverter Rs, Multi Rs And Mppt Rs

    • Connect the BMV-600 using the VE.Direct to BMV-60xS cable. (ASS0305322xx). 4.8. DC Link Box • Connect the DC Link Box with the supplied RJ12 cable. Then connect the BMV-700 to the Cerbo GX. 4.9. VE.Can Resistive Tank Sender Adapter See the VE.Can resistive tank sender adapter...

  • Page 21: Connecting Hardwired Victron Temperature Sensors

    Cerbo GX Manual 4.11. Connecting hardwired Victron temperature sensors See the Connection Overview [3] for the location and number of temperature sensor inputs. They can be used to measure & monitor all kinds of temperature inputs. The measuring temperature range of the temperature inputs is -40°C to +70°C.

  • Page 22: Connecting Supported Non-Victron Products

    - almost all do. It can communicate at both 4800 and 38400 baud rates. Plug the unit into either of the USB sockets. Connection may take a few minutes, but the Cerbo GX will automatically recognize the GPS. The unit's location will automatically be sent to the VRM online portal and its position is shown on the map.

  • Page 23: Connecting A Nmea 2000 Gps

    Cerbo GX Manual 5.3. Connecting a NMEA 2000 GPS Instead of a USB GPS, a NMEA 2000 GPS can be used for remote vehicle or boat tracking in the VRM portal. The third party NMEA 2000 GPS sender must meet the following requirements: •...

  • Page 24: Connecting Tank Level Sensors To The Gx Tank Inputs

    Cerbo GX Manual 5.5. Connecting Tank Level Sensors to the GX Tank Inputs The tank level inputs are resistive and should be connected to a resistive tank sender. Victron does not supply tank senders. The built-in tank sensor connections do not support mA or 0-5V type sensors, this type will require additional accessories or replacement with a resistive type sensor.

  • Page 25: Increasing The Number Of Tank Inputs By Using Multiple Gx Devices

    5.6.1. Introduction The number of tank inputs on a GX device, such as the Cerbo GX and Venus GX, can be expanded by connecting multiple GX devices together in a VE.Can network. To do this, one GX device must be designated to be the "main" and the others(s) to be the "secondary"...

  • Page 26: Requirements

    For example, remote configuration doesn't work, DVCC control will not work, and remote firmware updates don't work either. Extending the VE.Direct ports via USB provides full functionality, which is therefore the recommended method. You can find more information on this in chapter Powering the Cerbo GX [5]. 5.6.3. Configuration step-by-step First, on all GX devices, configure all tank inputs in Settings →...

  • Page 27: Connecting Third-Party Nmea 2000 Tank Senders

    Cerbo GX Manual Lastly, on the main GX device, check if all sensors show up in the Device List and work well. 5.7. Connecting third-party NMEA 2000 tank senders A third-party NMEA 2000 tank sender must meet the following requirements to be visible on the GX device: •...

  • Page 28: Mopeka Pro Check Lpg And Water Bluetooth Sensors

    Bluetooth radio (via a USB cable extension) close to other supported Bluetooth devices that might not otherwise be reachable. Note for Cerbo GX units built up to and including serial number HQ2207; The built-in Bluetooth connection is disabled when the internal CPU temperature exceeds 53 degrees C (influenced by load and/or ambient temperature). For reliable operation it is necessary to use a USB Bluetooth adapter.

  • Page 29: Configuration

    Cerbo GX Manual 5.8.2. Configuration Go to the Device List menu. Scroll up or down and select the appropriate sensor. Press the right arrow key or space bar on that sensor to open up the sensor Setup menu. Scroll down to Setup and right arrow key or space bar again to open up the sensors Setup menu.

  • Page 30: Tank Level Monitoring

    Cerbo GX Manual 5.8.3. Tank level monitoring Tank levels can be monitored at various locations within the GX environment: • Device List of the GX device • Sensor overview menu of the GX device • Graphical overview of the GX device •...

  • Page 31: Wakespeed Ws500 Alternator Regulator Support

    2. Wakespeed WS500 firmware 2.5.0 or higher installed on the WS500 controller 3. The WS500 must connect to the VE.Can port of the GX device. It is not possible to monitor the WS500 when connected to the BMS-Can port of a Cerbo GX. 5.9.3. Wiring the WS500 to VE.Can Both, the WS500 and VE.Can, use RJ45 connectors for their CAN ports.

  • Page 32: Wiring Example

    The example below shows an overview of the recommended wiring based on an installation with a Lynx Smart BMS, Lynx Distributors and a Cerbo GX. The correct placement of the alternator shunt (not to be confused with the shunt of the BMV or SmartShunt) is important here for the correct connection of the current sense wire.

  • Page 33: Gx Device User Interface For Ws500

    Cerbo GX Manual 5.9.5. GX device user interface for WS500 Once the WS500 is connected to the GX device, the Device list contains an entry for the regulator. The WS500 menu then provides the following information and data: • Output: voltage, current and power as reported from the alternator regulator •...

  • Page 34: Troubleshooting & Faq

    Cerbo GX Manual 5.9.7. Troubleshooting & FAQ For further assistance and troubleshooting please contact Wakespeed support directly. Error code #91 and #92 Venus OS will report all errors that can be generated by the WS500 as defined within the Wakespeed Communications and Configuration guide.

  • Page 35: Wireless Bluetooth Ruuvi Temperature Sensors

    Bluetooth radio (via a USB cable extension) close to other supported Bluetooth devices that might not otherwise be reachable. Note for Cerbo GX units built up to and including serial number HQ2207: The built-in Bluetooth connection is disabled when the internal CPU temperature exceeds 53 degrees C (influenced by load and/or ambient temperature). For reliable operation it is necessary to use a USB Bluetooth adapter.
  • Page 36 Cerbo GX Manual If you have multiple sensors, you may wish to physically write this device ID on the sensor case itself to help keep track. The sensor should now be visible in the main menu - by default it is labelled 'Generic temperature sensor (##)' It is possible inside the temperature sensor menu to adjust the type, and also to set a custom name.

  • Page 37: Connecting Imt Solar Irradiance, Temperature And Wind Speed Sensors

    Cerbo GX Manual 5.11. Connecting IMT Solar Irradiance, Temperature and Wind Speed Sensors Ingenieurbüro Mencke & Tegtmeyer GmbH (IMT) offer a range of digital silicon irradiance sensor models within the Si-RS485 series that are all compatible with a Victron GX device.
  • Page 38 Cerbo GX Manual Si-Sensor Victron RS485 to USB interface Signal Black Power Neg/Gnd - 0VDC (not used) Brown Terminator 1 - 120R (not used) Green Terminator 2 - 120R (not used) Installation Notes The maximum DC power supply voltage permitted for the IMT Si-RS485 series solar irradiance sensor range is 28.0VDC -...
  • Page 39 Cerbo GX Manual Within the ‘IMT Si-RS485 Series Solar Irradiance Sensor’ menu all available parameters will be automatically displayed (dependent on the sensors connected) and update in real time. Within the ‘Settings’ sub-menu it is possible to manually enable and disable any optional/additional external sensors that are connected to the IMT Si-RS485 Series irradiance sensor.

  • Page 40: Data Visualisation - Vrm

    Cerbo GX Manual 5.11.1. Data Visualisation - VRM To review logged historical data on the VRM portal, expand the ‘Meteorological Sensor’ widget list and select the ‘Meteorological Sensor’ widget. Data from all available sensor types will be automatically displayed in the graph. Individual sensors/parameters can also be disabled/enabled by clicking on the sensor name/legend.

  • Page 41: Installation & Configuration

    Cerbo GX Manual How does it work? The CM-Ethernet module contains data from the InteliLite 4 panel that the GX device can read via Modbus. The default Modbus mapping of the CM-Ethernet module is used. In the appendix you will find an overview of all Modbus registers used and their mappings:...
  • Page 42 Cerbo GX Manual Connecting supported non-Victron Page 36 products...

  • Page 43: Internet Connectivity

    This video explains how to connect LAN, WiFi and a GX GSM (also applies to GX LTE 4G): 6.1. Ethernet LAN port When you connect an ethernet cable between a router and Cerbo GX, the Settings → Ethernet page of your Cerbo GX will confirm connection.

  • Page 44: Wifi

    To connect the Cerbo GX to a mobile (cellular) network, such as a 3G or 4G network, use a cellular router. Connect the Cerbo GX to that router with either a LAN cable or the router's WiFi network.

  • Page 45: Usb Tethering Using A Mobile Phone

    Almost no installations will need the IP address configuration to be inserted manually as most systems support automatic IP configuration (DHCP) - and that is also the Cerbo GX default setting. If you do need to configure the address manually, select the...
  • Page 46 The amount of data used is also very dependent on the system: More products connected to the Cerbo GX will generate more data. • A state change (from inverter to charger for example) will trigger a data transmission, so a system with very frequent state changes will also tend to generate more data.

  • Page 47: More Information About Setting Up An Internet Connection And Vrm

    Cerbo GX Manual 6.9. More information about setting up an internet connection and VRM • Setting up a VRM account • VRM Portal alarms and monitoring • VRM Portal - Frequently asked questions Page 41 Internet connectivity...

  • Page 48: Accessing The Gx Device

    Cerbo GX Manual 7. Accessing the GX device It is possible to access the GX device via a smartphone, tablet or computer. This access is called Remote Console. The Remote Console is the central element for making or changing settings on the GX device.

  • Page 49: Using Victronconnect Via Bluetooth

    Make sure the Cerbo GX is powered on and the Bluetooth LED is blinking. Open the VictronConnect app within 10 meters of the Cerbo GX and wait for nearby devices to be discovered. Once discovered, click or tap on the Cerbo GX.

  • Page 50: Accessing Via Built-In Wifi Access Point

    Stand as close as possible from the Cerbo GX, and no further than a few meters away. Go to the WiFi settings on your phone, tablet or laptop. After searching, the Cerbo GX will show up in the list, as Venus-HQ1940DEFR4-3b6. Where HQ… is the serial number as printed on the side of the box.

  • Page 51: Accessing The Remote Console Via Local Lan/Wifi Network

    IP Address on VRM On the VRM Portal, you'll find the IP address on the Device list page of the installation. Note that this does require the Cerbo GX to be connected to the internet.

  • Page 52: Accessing Via Vrm

    7.4. Accessing via VRM This method requires a working internet connection, both on your phone, tablet or laptop as well as for the Cerbo GX. For a new install, this means that it needs to be connected by Ethernet cable.

  • Page 53: The Remote Console Menu

    Cerbo GX Manual More technical information in the related troubleshooting chapter: Remote Console on VRM - Troubleshooting [85]. 7.5. The Remote Console menu The Remote Console menu (Settings → Remote Console) contains options for controlling access to the Remote Console via LAN/WiFi and VRM and shows the online status of the Remote Console on VRM.

  • Page 54: Configuration

    Reboot? Reboots the GX device Audible alarm When there is an alarm on the Cerbo GX or a connected product, the Cerbo GX will beep - unless this setting is set to 'Off'. Demo mode Disabled Demonstrates product and installation features to a client or at an exhibition.
  • Page 55 Feature: Online, Offline, Disabled. Enable on LAN No / Yes - Enabling will allow direct connection to the Cerbo GX by typing its IP address or Venus.local into a web browser, or in VictronConnect when connected to the same network. Only enable this function on trusted networks.
  • Page 56 Cerbo GX Manual Item Default Description STS - Shared temperature Disabled The GX device will send the measured battery temperature to the sense inverter/charger system as well as all connected solar chargers. Temperature sensor Automatic Select the temperature sensor to use for shared temperature sense measurement.
  • Page 57 Cerbo GX Manual Item Default Description Oldest record age If internet/VRM is not available, then this will display the oldest record stored on the GX device. ESS - An Energy Storage System (ESS) is a specific type of power system that integrates a power grid connection with a Victron Inverter/Charger, GX device and battery system.
  • Page 58 Cerbo GX Manual Item Default Description Devices Displays a list of found Modbus TCP devices and their IP address Ethernet - read full feature description [37] State Unplugged The state is either unplugged, connecting or connected MAC address IP configuration...
  • Page 59 Cerbo GX Manual Item Default Description Time to service Remaining hours until the next service. Time to next test run hh:mm If a periodic run is programmed, this counter will display in days, and hours how long before that will occur.
  • Page 60 'Generator start/stop', 'Tank pump', 'Temperature', and 'Manual'. Polarity Normally open Select the polarity of the relay on the back of the Cerbo GX. 'Normally open' or 'Normally closed'. Note that setting it to Normally closed increases the Cerbo GX power draw. This option is only available when configured as an alarm relay.
  • Page 61 Cerbo GX Manual Item Default Description CAN-bus CAN-bus profile, Send data to VE.Can, Unique device number for VE.Can, Check unique numbers Analog inputs Available tank level sensors On/Off, Available Temperature sensors On/Off Digital inputs Available Digital inputs Off, Door alarm, Bilge pump, Bilge alarm,...

  • Page 62: Battery State Of Charge (Soc)

    Enable and configure the battery monitor in VEConfigure. In the Cerbo GX, in Settings → System setup, verify the selected battery monitor. It should be set to the Multi or Quattro. 2. Battery with Multi or Quattro and MPPT Solar Chargers or a EasySolar with GX device built-in No battery monitor is required as long as all MPPT solar chargers are Victron products and are connected to the Cerbo GX.

  • Page 63: Notes On Soc

    In the image above you can see a range of selectable choices for the SoC values which are shown in the main Overview screen. Choose the source you want to see on the main Overview screen of your Cerbo GX.

  • Page 64: Details On Ve.bus Soc

    2. no BMV or other battery monitor is installed 3. the system has other DC loads or other chargers connected to the same battery, which are not connected to the Cerbo GX. A short explanation: The VE.Bus SoC determined by the Multi or Quattro is incorrect in the above situation as it does not take into account the discharge and charge currents by those other DC loads and also unmonitored chargers.

  • Page 65: Customise The Logo On The Boat & Motorhome Page

    8.4. LEDs and Push-button 8.4.1. LEDs On the side of the Cerbo GX there are two LEDs. During power-up it it goes through these states: Boot-up The behavior of the LEDs during the boot-up process depends on whether the Wifi Access Point and Bluetooth were activated before booting or not.

  • Page 66: Temperature Relay Configuration

    In GX products where two relays are available (Cerbo GX & Cerbo-S GX, Ekrano GX), it is possible to have a single temperature sensor control both relays. It is also possible to have a single relay controlled by multiple different temperature sensors. For example, a Cerbo GX with 2 lithium battery heat pads, and only using both simultaneously when necessary.
  • Page 67 Cerbo GX Manual If that is insufficient to maintain the battery temperature above 5 degrees, you may wish to connect a second heat pad contactor to Relay 2 as well. Move down menu to Condition 2 Assign the relay control to Relay 2...

  • Page 68: Firmware Updates

    Update it via the internet, either manually or let it check for new updates every day. Update it from a microSD-card or USB-stick. 9.2.1. Direct download from the internet On GX devices without a display (ie. a Venus GX or Cerbo GX without GX Touch), use Remote Console to get to below menus.

  • Page 69: Microsd-Card Or Usb-Stick

    Updating with a microSD-card or USB-stick is called 'Offline updating'. Use it when updating a device that is not connected to the internet. Download the latest swu file: • Cerbo GX - venus-swu-einstein.swu Note that the same files and the changelog is available on Victron Professional. There is also a Dropbox connection to connect your Dropbox to our shared folder, so you always have the latest firmware files available on your laptop.

  • Page 70: Stored Firmware Backup Feature

    Cerbo GX Manual 9.3.1. Stored firmware backup feature This option allows you to switch between the current and the previous firmware version. No internet or SD-card needed. Go to Settings → Firmware → Stored backup firmware. The following screen shows the firmware version currently running and the firmware version that can be booted.

  • Page 71: Install A Specific Firmware Version From Sd/Usb

    Old Venus OS firmware versions are available for download here: https://updates.victronenergy.com/feeds/venus/release/ images/ For Cerbo GX use the einstein folder. Download the .swu file of the version required. Store the .swu file in the root folder of a USB-stick or MicroSD-card.

  • Page 72: Ve.bus Inverter/Charger Monitoring

    This chapter explains the implications of enabling or disabling user control of the input current-limiter setting, as seen in the above menu (Device List → [your inverter/charger]. The limit as set by the user in the Cerbo GX will be applied to all inputs where the 'Overruled by remote' setting in VEConfigure is enabled: Using the example of a boat with two AC inputs and a Quattro where: 1.

  • Page 73: Phase Rotation Warning

    Cerbo GX Manual 10.2. Phase rotation warning The AC supply, either Generator or Grid, to a three phase inverter/charger system needs to be in the correct rotation, also known as sequence. If not, then the inverter/chargers will not accept the AC supply and remain in Inverter mode.

  • Page 74: Grid Failure Monitoring

    • Equalisation: Starts equalisation. See Multi or Quattro documentation for details. • Redetect VE.Bus system: Clears the cache on the Cerbo GX that has certain data of the VE.Bus system stored to keep the boot time as short as possible. Use this feature if, for example, a VE.Bus BMS used to be part of a system and is no longer used or replaced by a Lynx Smart BMS.

  • Page 75: Alarm Status Monitoring

    • Disabled: The Cerbo GX will never beep or show a notification. Not recommended. • Alarm only (default): The Cerbo GX will only beep and show a notification when the VE.Bus system switched off in an alarm condition. Warnings are ignored.

  • Page 76: Solar & Wind Priority

    Cerbo GX Manual 10.9. Solar & Wind Priority The solar and wind priority function ensures that solar and wind energy are used to charge the battery. At the same time, shore power is only used to prevent the battery from becoming too deeply discharged.

  • Page 77: Dvcc - Distributed Voltage And Current Control

    Cerbo GX Manual 11. DVCC - Distributed Voltage and Current Control 11.1. Introduction and features Enabling DVCC changes a GX device from a passive monitor into an active controller. The available features and effects of enabling DVCC depend on the type of battery used. The effect also depends on the installed Victron components and their configuration.

  • Page 78: Dvcc Requirements

    • For Gel, AGM, OPzS and other lead-acid batteries, DVCC can be used without any problem. The same is true for Victron Energy Lithium Battery Smart with the VE.Bus BMS, the Lynx Ion + Shunt BMS or the Lynx Ion BMS. DVCC is forced-enabled for the Lynx Smart BMS.

  • Page 79: Dvcc Effects On The Charge Algorithm

    Cerbo GX Manual 11.3. DVCC effects on the charge algorithm In standalone mode, our inverter/chargers and MPPT solar chargers use their own internal charging algorithm. This means that they determine how long to remain in Absorption, when to switch to Float, when to switch back to Bulk, or Storage. And in those various phases they use the configured parameters in VictronConnect and VEConfigure.

  • Page 80: Dvcc Features For All Systems

    Cerbo GX Manual 11.4. DVCC features for all systems These features apply to all types of systems when DVCC is enabled; with or without ESS Assistant, with lead-acid or other normal batteries as well as when an intelligent CAN-bus BMS connected battery is installed: 11.4.1.

  • Page 81: Shared Voltage Sense (Svs)

    • BMV-712 battery monitor • SmartShunt • Lynx Shunt VE.Can battery monitors • Temperature inputs on a Cerbo GX (and same for other GX devices that have a temperature input) • Multi/Quattro inverter/charger • Solar chargers (if fitted with a temperature sensor) Note that STS is forced disabled for the Lynx Smart BMS and some batteries.

  • Page 82: Shared Current Sense (Scs)

    Cerbo GX Manual 11.4.5. Shared Current Sense (SCS) This feature forwards the battery current, as measured by a battery monitor connected to the GX device, to all connected solar chargers. The solar chargers can be configured to use the battery current for its tail current mechanism that ends absorption when the current is below the configured threshold.

  • Page 83: Dvcc Features When Using Can-Bus Bms Battery

    Cerbo GX Manual 11.5. DVCC features when using CAN-bus BMS battery This chapter applies to all systems where an intelligent battery BMS is installed and connected via CAN-bus. Note that this does not include the Victron VE.Bus BMS. Such intelligent BMS sends the following parameters to the GX device: 1.

  • Page 84: Dvcc For Systems With The Ess Assistant

    Cerbo GX Manual 11.6. DVCC for systems with the ESS Assistant • The ESS Keep batteries charged mode will only work properly with DVCC enabled. • A fixed solar offset of 0.4V (value for 48V system, divide by 4 for 12V) is applied when ESS-mode is set to Optimised in combination with the Feed-in excess solar charger power-setting enabled, or when ESS-mode is set to Keep batteries charged.
  • Page 85 Cerbo GX Manual 12. VRM Portal 12.1. VRM Portal introduction When connected to the internet, a GX device can be used in combination with the Victron Remote Management (VRM) portal, which enables: • Easy remote access to all statistics and systems status online •...
  • Page 86 Cerbo GX Manual The GX device has a buffer to store a couple of days worth of logs internally. To extend this period, insert a microSD card or USB stick. You can see the internal storage status in the settings.
  • Page 87 • The 'Stored records' indicates the number of logs that it has stored to send later. • If this number is 0, it means that the Cerbo GX has sent all its data to the VRM Portal, which in turn means that the connection is actually working.
  • Page 88 • When using Ethernet and 'State' shows 'Unplugged', verify that the Ethernet network cable is not faulty: try another one. The two lights at the back of the Cerbo GX, where the Ethernet RJ45 cable plugs in, should be lit or blinking. Two dead lights indicate a connection problem.
  • Page 89 • Navigate to Settings → VRM online portal and check the 'Connection error' status: • If a Connection error is shown, the Cerbo GX is not able to contact the VRM database. The connection error will show an error code that indicates the nature of the connectivity problem. Also, details of the error message are shown, to facilitate on-site IT experts to diagnose the problem.
  • Page 90 Cerbo GX Manual • Error #154 DNS Failure: Make sure that a valid DNS server is configured in the Ethernet or WiFi menu. Typically this is assigned automatically by a DHCP server in a network. • Error #155 Routing error: VRM is unreachable. This error occurs if an ICMP error is received, indicating that no route exists to the VRM server.
  • Page 91 After the restart, check the Remote Console on VRM status shows online or a port number. In case it says offline, or port number 0, the Cerbo GX was unable to connect to the Remote Console server. This is normally caused by a (company) firewall, blocking the connection.
  • Page 92 Cerbo GX Manual When using Remote Console on VRM, the browser will connect to either vncrelay.victronenergy.com, or vncrelay2.victronenergy.com, using websockets on port 443. For more details of used connections by the GX device, see Q15 of the FAQ [131]. Page 86...

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