Infrared control is probably the most common form of control in the market place today. With every single television or audio / video system being supplied with a remote control, millions of people use this technology on a daily basis.
In line with the domestic market the commercial sector has also adopted the remote control as a way of regulating air conditioning units, projector screens and matrix switching.
KNX has a number of transmitting and receiving devices that sit on the data bus and allow total control of iR devices.