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KNX TP1 Interface



The KNX-Interface LKNX-300 allows the LINX‑12x/‌15x/‌22x Automation Servers, the LROC-100 Room Controller, and the LGATE-95x Universal Gateways to interface to KNX devices connected to a KNX TP1 Bus. The LKNX-300 Interface needs to be connected to the EXT-Port on the L-INX/L-ROC/L-GATE devices.

For the KNX integration, LOYTEC’s L-INX/L-ROC/L-GATE devices use an ETS4 project. The project data is exported from the ETS4 software and then imported in the LOYTEC L-INX/‌L-GATE Configurator. Thus, up to 1 000 data points from the KNX network can be used by the L-INX/‌L-ROC/‌L-GATE devices on each port supporting KNXnet/‌IP or KNX TP1.


LGATE-950 and LKNX

KNX TP1 Interface


KNX interface to connect KNX TP1 devices

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Documentation and Software
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  • KNX TP1 Interface for LINX‑12x/15x/22x, LROC-100/150 and LGATE-95x
  • Access to a maximum of 1 000 KNX data points via KNX TP1 (L-INX/L-ROC/L-GATE)
  • Configurable through ETS4 software via XML import
  • Connected to the L-INX Automation Server, L-ROC Room Controller or LGATE-95x Gateway via port EXT


Dimensions in mm [inch]



Dimensions (mm) 55 x 100 x 60 (L x W x H)
Installation DIN rail mounting following DIN 43880, top hat rail EN 50022
Power supply Via the KNX TP1 bus
Operating conditions 0 °C to 50 °C, 10 – 90 % RH, non condensing, degree of protection: IP40, IP20 (terminals)
Installation Attachable or connected with a 3-wire cable, max. 1 m
1 x EXT
1 x KNX TP1
LIOB-Connect is looped through the device
Baud rate 9600 baud
Tools L‑INX/L-GATE Configurator
For use with LINX-12x, LINX-15x, LINX-22x, LROC-100, LGATE-950, LGATE-951
Resource limits  
Number of KNX TP1 data points 1 000