U-ONE® system: FOC decoder module (certified to SIL 2)

The universal encoder system U-ONE from Johannes Huebner Giessen offers ten function modules in a single unit. The FOC decoder module is one of the possible modules available to acquire optical signals from the basic unit and supply power to the electronic function modules. If the basic unit UOM 41L-1212 is utilized, then the module is also available SIL-2-/PL-d-certified to DIN EN 61508 / DIN EN ISO 13849.

Other function modules belonging to the U-ONE system offer the following functions: Speed detection, position detection, electronic overspeed switch including programmable switching speeds from 0.63 rpm, various bus interfaces, diverse Ethernet connections, electronic cam controller, synchronization module and graphic display of sequential processes.


Supply voltage

12 - 30 VDC

Connection technology

ST connector for FOC COMBICON terminal block for supply voltage


Internal bus connection to following modules

Device temperature range

-25 °C to +70 °C

Special features

Certified to DIN EN 61508 SIL 2 and DIN EN ISO 13849 PL d (for use with U-ONE SIL 2)

Operating and Assembly Instructions (PDF, 1.55 MB) Download
Catalog - U-ONE (PDF, 0 GB) Download


Standard dimension drawings and connection diagrams are provided in the Operating and Installation Instructions. We would be pleased to send you individual variations as well as DXF/STEP files on request.