SOMFY KNX USB Interface Operation And Installation Manual
©2017 SOMFY ACTIVITES SA, 50 avenue du Nouveau Monde, 74300 Cluses, France REF. 5136842A – 2017-07-31 Page 1/2
Operation and installation manual
KNX USB Interface
Ref. 9018243B
Compact USB Interface for the KNX-Bus
KNX USB Interface
Application
The KNX USB Interface is a data interface between a PC or
laptop and the KNX installation bus. The USB connector is galvanic isolated from the KNX bus.
The device is compatible with ETS® Software Version 3 (or
higher) and supports KNX extended frames. The LEDs on the
front panel indicate the operating status and communication
errors on the bus.
Installation and Connection
The KNX USB Interface is designed for installation on a DIN rail
with a width of 1 unit (18mm). It features the following controls
and displays:
The KNX USB Interface is powered by USB. An external power
supply is not necessary.
The device is not working without USB connection.
KNX Programming mode
The individual address of the Interface can be set locally via the
ETS. According to this reason no programming button or LED is
necessary on this device.
Status display
The KNX LED ❸ lights up green if the device is successfully
connected to the KNX bus. This LED indicates telegram traffic on
the KNX bus by flickering.
KNX communication failures (e.g. repetitions of telegrams or
telegram fragments) are indicated by a short change of the LED
color to red.
The USB LED ❹ lights up green if the device is connected to
USB. This LED indicates telegram traffic on the USB by flickering.
USB communication failures (e.g. repetitions of telegrams or
telegram fragments) are indicated by a short change of the LED
color to red.
Factory default settings
The following configuration is set by factory default:
Individual device address: 15.15.255
Interface settings with ETS
Within the ETS KNX interfaces can be selected and set up via
the ETS menu "Bus Interfaces".
After connecting the KNX USB Interface to the PC and the KNX
bus, it should automatically appear in the ETS within the menu
"Bus" under "Discovered interfaces".
By clicking on the discovered interface it is selected as the current interface. On the right side of the ETS window all specific
information and options of the connection appear.
The indicated individual address of the KNX USB Interface can
be changed here. To check if the address you want to assign is
unique within your KNX installation you can click the button
“Address free?”
EN
❶ KNX bus connector
❷ USB type B connector
❸ KNX LED (multicolor)
❹ USB LED (multicolor)
©2017 SOMFY ACTIVITES SA, 50 avenue du Nouveau Monde, 74300 Cluses, France REF. 5136842A – 2017-07-31 Page 2/2
WARNING
The device must be mounted and commis-
sioned by an authorized electrician.
The prevailing safety rules must be heeded.
The device must not be opened.
For planning and construction of electric in-
stallations, the relevant guidelines, regulations
and standards of the respective country are to
be considered.
SOMFY ACTIVITES SA
50 Avenue du Nouveau Monde
74300 Cluses
France
T +33 (0)4 50 96 70 00
F + 33 (0)4 50 96 71 89
www.somfy.com/projects
Société Anonyme
Capital: 35.000.000 €
RCS ANNECY 303.970.230
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