KNX USB Interface 310

This interface is for establish a bidirectional connection between a PC and the EIB/KNX installation bus. The USB connector has a galvanic separation from the EIB/KNX bus. Both ETS (Engineering Tool Software) versions ETS3 or later and some Visualization tools support this interface.
Typische Anwendung vom KNX USB Interface 310 (REG)

Mechanical data

  • Housing: plastic
  • DIN rail mounted device, width: 2 TE


  • Signal LED (green) for USB-connection
  • Signal LED (yellow) for communication

Power supply

  • The part of circuit for communication over USB is supplied by the connected PC / Laptop, correct operation is signalled by the green LED (USB).
    Power consumption: < 200mW
  • The part of circuit for communication over EIB/KNX is supplied by EIB/KNX bus.
    Power consumption: < 300mW


  • KNX connector
  • USB connector type B
  • Wire length max. 5m


  • ETS (Engineering Tool Software) ETS3 or higher