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Method for allocating an identification code to nodes in a network, for communication in a network as well as for controlling a network

  • US 7,583,618 B2
  • Filed: 09/25/2001
  • Issued: 09/01/2009
  • Est. Priority Date: 10/05/2000
  • Status: Expired due to Fees
First Claim
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1. A method for allocating a unique identification (ID) to a node in a Controller Area Network (CAN) network that not already possesses a unique identification assigned to it and making a request to that effect, wherein the requesting node generates an ID and sends an RTR (Remote Transmission Request) message comprised of said ID and an RTR bit indicating that the message is an ID request over the network, and wherein each node in the network that already possesses said generated ID will send an ID ban comprising the generated ID over the network in response to detection of said ID request, wherein the requesting node will present an ID confirmation comprising the ID and a device identification on the network after a predetermined period of time when the requesting node has not detected an ID ban, and wherein the node will accept the ID as unique after the ID confirmation has been sent and wherein said ID is stored in permanent storage means in said node.

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