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Collective wiring system and method of control thereof

  • US 5,438,506 A
  • Filed: 01/10/1994
  • Issued: 08/01/1995
  • Est. Priority Date: 02/23/1985
  • Status: Expired due to Term
First Claim
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1. A method of control of a collective wiring system for a motor vehicle in which a central control unit fetches input data representing a status condition and outputs control data via a transmission path to a plurality of terminal control units which control vehicle electrical devices by transmitting said control data thereto, comprising the steps of:

  • (1) generating control data on the basis of fetched input data representing status conditions and holding the generated control data;

    (2) storing in memory a listing of identifiers of terminal control units in an arbitrary predetermined order;

    (3) generating addresses of terminal control units in response to the identifiers stored in said memory and in the order in which said identifiers are stored in said memory;

    (4) formatting a sequence of messages each including a generated address of a terminal control unit and control data to be sent to the terminal control unit; and

    (5) transmitting said sequence of messages periodically via said transmission path to said terminal control units according to the addresses thereof and in the arbitrary order of said listing of identifiers, independent of said generating and holding step (1).

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