KNX presence detector with bus coupler and constant light control, 1 channel. Presence detector for brightness and motion dependent switching and dimming of consumers, manual settings on the device. Adjustment of the room requirement via rotating lens. Brightness range 5 - 1200 lux, bus coupler included in delivery. Channel 1 for presence, brightness dependent with selectable function of constant light control, presence (ON/OFF) or control via lux value setting on the device or via ETS. Switch-off delay freely selectable. Control via additional KNX button for forced reversal, setpoint change and storage. Rectangular detection area: approx. 16 x 8 m (at installation height = 3 m) Functions: ON/OFF, time functions, constant light control in combination with TX510 and switching status display via LED.