HDL Bus RS232 Converter

The SB-DN-RS232N is able to send and receive ASCII commands, and supports ASCII code editing. The RS232 interface also works in all baud rates, and is ready to integrate with a multitude of different devices such as televisions, audio systems, air conditioners, projectors, security solutions, and other home automation systems.

The ability to seamlessly convert between HDL Buspro and RS 232 protocols, gives users the ability to synchronize and connect a multitude of devices. With this system flexibility users can quickly and easily enhance their existing automation solutions, or simply pick the products and devices that are best suited to meet their needs.


  • 2 way fixed S-Bus ASCII protocol from and to RS232
  • Support ASCII code editing and hexadecimal
  • Send more than 1980 ASCII and/or Hexadecimal commands
  • 22 characters ASCII message length
  • Easily editable baud rate from software to integrate with all 3rd part devices
  • RS232 interface work in all baud rate: 2400, 4800, 9600, 14400, 19200, 38400, 57600, 115200 bps
  • Send and receive ASCII commands
  • 2 way communication that can receive up to 99 ASCII/HEX to do 20 different commands for each message.
  • Milliseconds delay optional between each ASCII/HEX command
  • Ready to integrate with many music system and home technology brands


  • Power Input: DC 8-32V DC from Bus
  • Power Consumption: 15mA/DC24V
  • Output channels: 4ch relay
  • Working Temperature: 0°C ~ +45°C
  • Working Relative Humidity: 20% - 90%
  • Storage Temperature: -40°C - +55°C
  • Storage Relative Humidity: 10% - 93%
  • Installation: Standard 35mm rail mounting
  • Communication: Smart-BUS/RS232


Front: 72 x 88 x 66 (mm)


  • Home theatre, home automation
  • 3rd party integration
  • Industry control and communication