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KNX modules

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KNX-USB interface

The KNX-USB interface enables communication between the KNX bus and a computer for programming and monitoring devices on the bus by using the ETS program. Additionally, the interface can work in the bus logging mode, in which the history of events generated on the KNX bus is saved to the interface non-volatile memory (up to 350 000 events).

In the bus logging mode, the interface does not support communication with the ETS program.


  • communication with the KNX bus via integrated bus connector
  • power supply from the KNX bus or from the computer USB port
  • galvanic isolation of the KNX system and computer
  • data transmission between the interface and the computer acc. to USB 2.0 standard
  • LEDs indicating the device status
  • easy to connect and use


The actual appearance of the products may differ from the presented images. Product descriptions are provided in the web service for information purposes only.


general information manual
updated: 2019-11-29
357 KB


compiled: 2017-09-07


Other certificates
updated: 2020-01-28
168 KB
EU declaration of conformity
updated: 2022-12-30
855 KB

Technical Data

Maximum length of USB cable
5 m
Maximum power draw from KNX bus
0,6 W
Maximum power draw from USB
0,3 W
108 g
KNX bus voltage
20…30 V DC
USB voltage
5 V DC
Current draw from KNX bus
< 20 mA
Current draw from USB
< 30 mA
IP code
USB connector type
mini B
Enclosure dimensions
67 x 34 x 21 mm
Temperature range for storage / transport
Operating temperature range

Information materials


2leaflet - end user

3leaflet - installer

4technical data

5product data sheet

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