Presence sensor dedicated to KNX installations in offices, conference rooms, schools, hospitals etc.. Bus Coupler and integrated connection Wago connector. Application using the 4 different operating modes are possible: the first is the standard semi-automatic or fully automatic mode (switching), the second is a semi-automatic or fully automatic mode with the constant adjustment of brightness (dimming), the third is to slave mode, the fourth is a permanent adjustment of the light (control of light is not dependent on the presence). Two target values are set (specified in Lux) and a reference value remains fixed (specified in%). The values can be modified using a communication object. Soft Start for passing reference to enlightenment. Reflectivity for a better adjustment to environmental conditions. HVAC channels activated by push button.