Support Article

How Many Devices Can be on a KNX System?


A single line segment can have 64 devices. Three additional segments can be connected to this line each with another 64 devices. 15 of these lines can be linked to an area and 15 areas can be linked to a backbone line. Including the line couplers used to link lines and areas together a full KNX system can consist of about 58,000 devices.