KNX for modern buildings
KNX standard for smart installations
Demand for comfort and versatility in residential or commercial buildings has been growing rapidly in recent years. It means a comprehensive system covering intelligent control, low energy consumption and a high level of safety. In the past, the system was quite complicated in terms of power lines, because each function of the device needs its own physical control cable.
Initially, it requires a great deal of design and installation effort and later requires high maintenance. High cable densities can also pose a high risk of fire. Therefore, a new installation was developed for unified communication between any controller, sensor and actuator and named the KNX system. The KNX system uses only a two-wire installation bus, which transmits signals between devices in parallel with the 230 VAC power cable. Therefore, the KNX system significantly reduces the mass work of electrical wiring inside the building and further reduces the risk of fire and maintenance.
Power supply for KNX Bus
The KNX system can not only be very simple with several devices, but can also be extended by a complex system with hundreds of devices for use in a building. In both cases, a KNX power supply is required to supply the KNX bus. The KNX power supply is essential for the KNX Bus environment and cannot be replaced by a conventional switching mode power supply.
The KNX actuator converts commands received from sensors, automatic control switches or timers into actions and forms the interface between the KNX system and the electrical equipment normally used for lighting, blinds and heating applications. Currently, the main and economical solution is a drive implemented with mechanical relay (s) to turn on or off on any type of load that is connected to it.