Schneider Electric KNX. The logic module serves as a linking and control device in KNX systems. It has 10 linking, 10 filter/time, 8 converter and 12 multiplexer modules. With 3 freely programmable buttons and 3 status LEDs. These can be assigned control and test functions and operated on the device. For mounting on TH35 top hat rails in accordance with EN 60715. The bus connection is made via a bus connection terminal; a data rail is not required. Device width: 2.5 HP corresponds to approx. 45 mm. Color: light gray.