KNX push-button bus coupling unit WG AP 2-gang with 2-point operation Grey The push-button bus coupling unit is the interface between the KNX system and the user. Features: Push-button function: Switching, dimming, blinds, 1-byte value transmitter and scene extension unit. Switching function: Command can be parameterised when pressing and releasing the buttons (ON, OFF, TOGGLE, no reaction). Dimming function: Command can be parameterised when the buttons are pressed (brighter ON, darker OFF, brighter or darker TOGGLE, brighter TOGGLE, darker TOGGLE, no reaction). Blind function: Command can be parameterised when pressing the buttons (UP, DOWN, no reaction). Value transmitter 1-byte function: Function can be configured. Scene extension function: Function can be configured (with or without memory function for long button press). With 2-point operation (straight rocker), the rocker can be operated on both sides (e.g. top bottom). Push-button bus coupling unit in the water-protected surface-mounted system (IP44). Operating concepts Rocker or button function can be set. Rocker function: Switching, dimming and blinds. Command can be parameterised for top and bottom rocker actuation (ON, OFF, TOGGLE, no reaction). Command can be parameterised for top and bottom rocker actuation (brighter ON, darker OFF, brighter darker TOGGLE, brighter TOGGLE, darker TOGGLE, no reaction). Command for rocker actuation can be parameterised (rocker top: UP, rocker bottom: DOWN, rocker top: DOWN, rocker bottom: UP).