Rotary transmission for a handling unit

Rotary feedthrough (10) for a handling unit, with a base (12) and a relative to the base member (12) rotatable rotary member (14) with rotating member side and base-side media connections (48, 50, 18, 20) and electrical connections (72, 74 and 22 , provided 24), and (with (between the media terminals 48, 50 and 18, 20) and the electric terminals 72, 74 and 22, 24) conduits (26, 28), wherein the base element and rotating part side in each case a media connection (18, 48) and a media line (26) between the two media connections (48 18) is provided, wherein the rotating member side media terminal (48) for supplying a valve unit (16) is provided, and wherein an electrical transducer is provided on the base part (12) and the rotary part (14), respectively, characterized in that the electrical signals from the base member side transducers are converted into digital signals, the digital signals from the base (12) to the rotary part (14) via an electrical line (66, 68) are transmitted and that the digital signals from the rotating member side converter again are reconverted into electrical signals, said reconverted electrical signals for controlling the valve unit (16) serve, wherein for transmitting the power for operating the valve unit (16) and / or the digital signals between the rotary part (14) and base (12) one or more slip rings (66, 76) with associated contact collectors (68, 78) are provided; wherein the base portion-side media connections (18 and 20) with pneumatic media lines (26, 28) are connected, which each open into an annular space (36, 38), which represents the connection to the rotary part (14), and wherein the slip rings (66, 76) in the radial direction of the annular spaces (36, 38) surrounded.