1. BPW BERGISCHE ACHSEN THE QUALITY FACTOR. Truck Trailer CAN – ISO11992 05.05.2011 S. Manz KEV-CMS 1 Busload topics – ISO11992-2

2. BPW BERGISCHE ACHSEN THE QUALITY FACTOR. Truck Trailer CAN – ISO11992 05.05.2011 S. Manz KEV-CMS 2 Motivation

3. BPW BERGISCHE ACHSEN THE QUALITY FACTOR. Truck Trailer CAN – ISO11992 05.05.2011 S. Manz KEV-CMS 3 ISO 11992 – 1/2/3/4 ISO11992 Part 1 Physical layer and data-link layer Part 2 Application layer for brakes and running gear defines routing of messages for up to 5 trailers / towed vehilces last voting for changes / ammendments ended January 2011 Part 3 Application layer for equipment other than brakes and running gear Part 4 diagnostics Currently under voting

4. BPW BERGISCHE ACHSEN THE QUALITY FACTOR. Truck Trailer CAN – ISO11992 05.05.2011 S. Manz KEV-CMS 4 Per Segment Busload acc. ISO 11992-2 Amd. 2007 Segment #1 Segment #2 Segment #3 Segment #2 Segment #4 130% 116% 100% 82% 62% Bus load mostly due to Message EBS26 beeing directly sent between vehicles.

5. BPW BERGISCHE ACHSEN THE QUALITY FACTOR. Truck Trailer CAN – ISO11992 05.05.2011 S. Manz KEV-CMS 5 Per Segment Busload acc. ISO CD 11992-2 Segment #1 Segment #2 Segment #3 Segment #2 Segment #4 70% 69% 64% 58% 50% Voting period over and approved from 12/01/2011 Bus load massively reduced for combinations with more than one trailer in by ommiting Message EBS26