Victron Energy ASS030140030

Victron Energy MK3-USB-C Interface User Manual

VE.Bus to USB-C Cable for GX Device Configuration

1. Introduction

This manual provides essential information for the proper installation, operation, and maintenance of your Victron Energy MK3-USB-C Interface. The MK3-USB-C is designed to facilitate communication between Victron VE.Bus products and a computer or GX device via a USB-C connection, enabling configuration, monitoring, and firmware updates.

2. Safety Information

Always observe general safety precautions when working with electrical equipment. Ensure all connections are secure and correctly polarized. This device is intended for use with Victron Energy products. Refer to the manuals of connected devices for specific safety guidelines.

3. Package Contents

Verify that all items are present in the package:

  • 1x Victron Energy MK3-USB-C Interface (Model: ASS030140030)

4. Product Overview

The Victron Energy MK3-USB-C Interface (Part Number: ASS030140030, Serial Number: HQ2307XMGRH) is a compact device that bridges the communication gap between Victron VE.Bus products and modern computing devices equipped with USB-C ports. It features an RJ45 connector for VE.Bus communication and an integrated USB-C cable for connection to your computer or GX device.

Victron Energy MK3-USB-C Interface top view with labels
Figure 1: Top view of the Victron Energy MK3-USB-C Interface. This image displays the device with its blue label, showing the product name 'Interface MK3-USB-C (VE.Bus to USB-C)', Victron Energy logo, CE and UKCA markings, and the integrated USB-C cable. The label also indicates the Part Number (PN: ASS030140030) and Serial Number (SN: HQ2307XMGRH).
Victron Energy MK3-USB-C Interface held in hands, showing USB-C connector
Figure 2: The Victron Energy MK3-USB-C Interface held in hands, highlighting the USB-C connector end of the integrated cable. This view emphasizes the modern USB-C connectivity for laptops and other compatible devices.

5. Setup and Connection

To set up the MK3-USB-C Interface, follow these steps:

  1. Connect to VE.Bus Device: Plug the RJ45 connector of the MK3-USB-C Interface into the VE.Bus communication port of your Victron inverter, charger, or other compatible VE.Bus product.
  2. Connect to Computer/GX Device: Plug the integrated USB-C cable into an available USB-C port on your computer (laptop, desktop) or a Victron GX device.
  3. Software Installation: The MK3-USB-C is generally plug-and-play and does not require specific driver installations for most operating systems. For configuration and monitoring, download and install the VictronConnect software from the official Victron Energy website.
Diagram showing MK3-USB connection between laptop and Victron inverter/charger
Figure 3: Connection diagram illustrating how the MK3-USB (or MK3-USB-C) connects a laptop to a Victron inverter/charger via the VE.Bus port. A straight RJ45 UTP cable is required for the VE.Bus connection.

6. Operating with VictronConnect

The MK3-USB-C Interface is primarily used with the VictronConnect software for configuration, monitoring, and firmware updates of compatible Victron products.

6.1. Firmware Updates

The MK3-USB-C supports firmware updates for your Victron VE.Bus devices. When connected, VictronConnect will automatically suggest firmware updates if available, simplifying the process for new system configurations.

Image showing a Victron MK3-USB interface and text about updating firmware
Figure 4: Visual representation of the MK3-USB interface and its role in updating Victron firmware via a USB connection. This highlights the cable's function in maintaining device performance.

6.2. Real-time Monitoring

VictronConnect allows you to obtain real-time and historical data from any Victron product connected via USB, Bluetooth, or local area network through a GX Device. The software is available for iOS, Android, Windows, and Mac, offering an intuitive interface for comprehensive system oversight.

Diagram of parallel, three, split-phase systems and VictronConnect real-time monitoring
Figure 5: This image illustrates the configuration of parallel, three, and split-phase systems using Victron products, and the capability of VictronConnect for real-time monitoring of system data on a mobile device.
VictronConnect app interface showing battery status
Figure 6: A screenshot of the VictronConnect application interface on a smartphone, displaying battery status information including voltage and temperature. This demonstrates the app's capability for live status updates.

7. Compatibility

The Victron Energy MK3-USB-C Interface is compatible with the following Victron VE.Bus products:

  • MultiPlus (including Compact)
  • MultiGrid
  • EasySolar
  • MultiPlus-II
  • Quattros
  • EasySolar-II
  • MultiPlus-II GX
  • Phoenix Inverters with a VE.Bus port
  • EasySolar-II GX

8. Maintenance

The MK3-USB-C Interface requires minimal maintenance. Keep the device clean and dry. Avoid exposing it to extreme temperatures or moisture. Ensure the connectors are free from dust and debris to maintain reliable communication.

9. Troubleshooting

If you encounter issues with the MK3-USB-C Interface, consider the following:

  • Connection Issues: Ensure both the RJ45 and USB-C cables are securely connected. Try a different USB-C port on your computer or GX device.
  • Software Not Detecting Device: Verify that VictronConnect software is installed correctly and is the latest version. Restart the software and/or your computer.
  • Firmware Update Failure: Ensure a stable power supply to the VE.Bus device during firmware updates. Do not disconnect the MK3-USB-C during the update process.
  • Compatibility: Confirm that your Victron VE.Bus product is listed as compatible with the MK3-USB-C Interface.

10. Specifications

FeatureSpecification
Model NumberASS030140030
Product Dimensions1.57 x 3.31 x 4.92 inches
Item Weight3.52 ounces
BrandVictron Energy
Connector TypeUSB Type C (integrated cable)
Compatible DevicesDesktop, Laptops, Victron GX Devices
Included ComponentsInterface MK3-USB-C
MaterialMetal, Plastic
Output Voltage5 Volts (USB power)

11. Important Notice: Use by Licensed Professionals

WARNING: The features and configuration options accessible via this interface are powerful tools. They are intended for use by Victron-trained Engineers, Installers, and Dealers. Usage by untrained system owners and users is not recommended.

Configuring Victron Inverter/Chargers, such as MultiPlus and Quattro models, requires specialized training and experience. Victron Energy does not offer direct support for individuals without proper training attempting configuration. Settings are often protected by a password, which is provided during Victron training. Please contact your authorized Victron Distributor for further information and training resources.

Warning sign with text 'Use by licensed professional'
Figure 7: A warning graphic emphasizing that the configuration tools are intended for use by licensed professionals due to the complexity and potential impact of settings.

12. Warranty

Victron Energy products are covered by a limited warranty. For detailed warranty terms and conditions, please refer to the official Victron Energy website or contact your authorized dealer. Keep your proof of purchase for warranty claims.

13. Support

For technical assistance, product information, or support, please visit the official Victron Energy website or contact your local Victron Energy dealer or distributor. Comprehensive documentation and support resources are available online.

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