Theben KNX RF flush-mounted #actuators and media couplers allow simple and wireless extension or retrofitting of #KNX-based smart home systems. Only Theben KNX RF flush-mounted actuators currently feature encryption according to the KNX #Data Secure standard. This reliably protects communication from interception and tampering.
In current KNX systems, wireless protocols can be intercepted relatively easily. The encryption of Theben KNX RF flush-mounted actuators according to the KNX Data Secure standard effectively prevents interception and tampering with the transmitted data and guarantees maximum data security.
Theben KNX RF flush-mounted actuators can be installed directly in existing flush-mounted wall boxes and is compatible with every known switch system. This saves a lot of space and makes the wireless actuators almost invisible. Also, smaller distribution boxes can be used. Integrated binary inputs allow easy connection of external contacts, such as buttons, switches, window contacts and temperature sensors.
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00:00 Start Tutorial
01:30 Range
02:30 The Media Coupler
03:50 Different Domains
07:405 Listen before talk
11:10 Repeater Function
15:10 Influences Reception
15:40 Installation position
23:40 The unit overview
26:30 Data Secure
The video is aimed at professionals in building automation and electrical engineering, as well as anyone interested in KNX RF communication and its application in intelligent buildings. It provides a comprehensive overview of the challenges and best practices in dealing with KNX RF.
Here is a summary of the video in bullet points:
General introduction to KNX RF
- KNX RF uses a radio frequency of 868 MHz, which is also used by other systems.
- The typical range in buildings is a maximum of 30 metres, depending on various factors.
Topology and setup of KNX RF
- Explanation of how radio components (e.g. switching, dimming, blind actuators) without TP connection are connected to a KNX TP line via a media coupler.
- Each RF domain has a unique identity and is assigned to a specific media coupler.
Differences between TP and RF
- TP communication is more reliable and interference-free due to the cabling.
- RF communication is more susceptible to interference and has a shorter range.
Challenges and solutions in radio communication
- Importance of only sending necessary telegrams so as not to overload the RF bandwidth.
- Use of repeaters to extend the range of radio signals.
- Selection of repeaters based on their actual range and positioning.
Practical tips for installation
- Consideration of the attenuation effect of building materials on radio signals.
- Creative solutions for positioning RF devices to optimise signal transmission.
Important configuration settings
- Setting the repeater function in the ETS software for certain RF devices.
- Avoiding the use of too many repeaters to prevent signal overlap and interference.
Summary and conclusion
- Emphasising the importance of careful planning and configuration of KNX radio systems.
- Emphasising the need to integrate intelligent building technologies in modern buildings.
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