With the ever increasing number of electronic and electrical functions in new motorcars it becomes more and more evident that multiplex wiring eventually will be implemented. Up to now for most cars the cost-balance between this new system and conventional wiring pointed towards the use of the well-known wiring harness. However, with each additional function the relative cost of multiplex wiring decreases. In the last few years a number of partial or complete multiplex wiring systems have been presented, each one based on a different configuration, different transfer methods and protocols and a different system philosophy. The system presented here is an attempt to fulfil as many common requirements as possible by using an adequate serial bus and balancing a number of trade-offs resulting from discussions with manufacturers and suppliers. We aim to arrive at a system definition which enables the component manufacturer to design and produce specific parts (e.g. integrated circuits) now and gives the possibility to provide the car industry with interchangeable products from different manufacturers later.
Proposal for an automotive multiplex wiring system
Vorschlaege zur Abloesung von Kabelbaeumen im Automobil durch Multiplex-Ring-Verkabelung
1985
4 Seiten, 6 Bilder
Conference paper
English
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