Working draft of the proposed amendment to UN R13 intended to enable the type approval of fully automatic coupling systems that do not use ISO 7638 connectors.

Comments on the working draft to insert provisions for automated connections between vehicles into UN R13 on heavy-duty vehicle braking systems.

Comments by ACV expert Winfried Gaupp concerning the current state of the draft amendments to introduce provisions for automated connections between vehicles into UN R13 and expressing concern that the text include the latest technologies being applied to vehicles in production.

ISO 13044-2 in its current draft describes ACV (ACS / FACS) as a system designed for 24 V operation only; however, most modern brake systems (as considered by UN R13) can be operated under different voltage levels (8-32V).

Zip file (compressed file) of sketches concerning electrical and pneumatic configurations of automated and non-automated connections between a truck and its trailer.

Working draft of the amendments to introduce provisions for automated connections bewteen vehicles into UN R13 pursuant to the discussions held during the 6th informal group meeting of 28-29 February 2012.