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VMBRSUSB - Configuration module with usb and rs-232 interface for din rail

DIN rail module to configure and control your Velbus system using a PC. Includes a USB and a RS-232 connection port (suitable for long connection wires). You can always choose which connection type you use.


  • Only a qualified professional may carry out the installation in conformity with in force legislation and standards.

  • protocol manuals for developers

    available for download at https://github.com/velbus

  • galvanic separation between the computer and the VELBUS system
  • velbus:
    • full VELBUS 16.6kbps protocol compliant
    • velbus short circuit protection to power and bus
    • self restoration after bus error
  • USB:
    • USB power indication
    • USB V2.0 compatible (full speed 12Mb/s)
    • uses standard Microsoft™ Windows™ 'usbser.sys' driver
  • RS232 :
    • full duplex RS232C communication with PC
  • RS232:
    • baud rate: 38400
    • databits: 8
    • parity: none
    • stopbits: 1
    • RTS: high
    • DTR: low
  • velbus:
    • velbus power supply: 15±3VDC
    • current consumption: 15mA
    • USB current consumption: 35mA
    • dimensions: 90 x 36 x 58mm / 3.5 x 1.4 x 2.3"
  • width: 2 DIN modules


EXE-File VelbusLink 10.6.5 (EN/NL/FR) - Latest version (10/21/2021)
Free Windows program to configure and program a Velbus installation (latest version - 10/21/2021)
PDF-File Velbus Installation Guide, Part 1: Hardware and Cabling
Everything you need to know about the Velbus hardware
PDF-File Velbus Installation Guide, Part 2: Configuration
How to configure Velbus modules using the free software VelbusLink
PDF-File Velbus Troubleshooting Guide
Step-by-step guide for solving Velbus problems.
EXE-File VelbusLink 10.5.1 (EN/NL/FR) - Previous version
Previous version of VelbusLink
XLSX-File Velbus consumption calculator
Spreadsheet to calculate the number of power supplies you need in a Velbus installation.

Info Sheets

PDF-File Infosheet
HTML-File Velbus actions by module (click on an action to see a description)
List of actions per module