[KNX] What is the difference between KNX1, KNX2 and KNX3? Only KNX2 is available and recommended for new designs. KNX1 is obsolete, and KNX3 is a future product. Last Update: August 8, 2017 January 11, 2017 2014 KNX Q&A Related Knowledge Base Posts -[KNX] Could you provide ETS product file?[KNX] “I am interested about a device to comunicate KNX devices with web server Ethernet via HTTP Protocol, receive KNX values and send to Ethernet via HTTP_Request POST or PUT, and receive value via HTTPRequest_Get. What kind of device have I to buy to do it, no matter if I have to programmer the device? “[KNX] Is it possible to get the ETS5 prod fileregarding the RC1180-KNX2?