Speed, position and overspeed detection in one – U-ONE the universal encoder system from Johannes Huebner Giessen offers up to ten functions in a single unit. The system includes a universal basic unit that is connected to the electronic function modules on the switchboard via EMC proof fiber optic cable. The basic unit UOM 41L-1212 in a rugged aluminium casing is certified to EN 61508 SIL CL2 and EN 13849 PL d. It is designed for maximum speeds up to 3000 rpm; it is available as construction types B5 with flange and B35 with flange and foot. It is possible to arrange the ten function modules belonging to the system side-by-side in any order to facilitate flexible configuration.