The KNX RS485 motor control unit establishes the connection to control up to 18 individual Somfy RS485 motors via KNX bus. For surface-mounted installation. - Clear facade design through alignment of the blinds using the incremental encoder technology of the RS485 drive - For controlling Somfy RS485 motors in roller shutters, interior and exterior blinds - The interface enables bidirectional data exchange between the KNX bus and the Somfy motor - The exact position of the drive during travel is sent to the KNX bus - The upper and lower position of the drive is reported when reached - The drive can be moved to any position (0-100%) using a byte telegram - After a safety telegram, the drive moves to one of the four adjustable safety positions and is blocked for further travel commands Dimensions (W × H × D): 90 × 180 × 45 mm Protection class: IP 20 Operating voltage: via KNX bus Operating temperature: 0 °C to 40 °C Nominal current consumption KNX bus: less than 12.5 mA DC