Device is designed as generator of information from digital tachographs VDO SIEMENS, ACTIA, and STONERIDGE at CAN bus and as transducer of information from CAN bus of cars at CAN bus in FMS format. Thus, it forms FMS gateway for cars.

At the bus, information about driver's ID, set working activity and so on are generated from tachograph.

From the car CAN bus, available data is convert into FMS format. Some data can be provided in adjusted format.