Method and device for automatically attributing addresses to a plurality of modules interconnected by a communication network with complex topology
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United States of America Patent
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Apr 15, 2008
Grant Date -
Jun 19, 2003
app pub date -
Feb 2, 2001
filing date -
Feb 7, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention concerns a method whereby each module is determined from the address of the module located immediately upstream in the networked relative to the central unit, the detected address being transmitted by the upstream module in an attribution message, which triggers off an automatic search phase for the module without address, nearest downstream to a module with an address, during which each downstream module without address receives (50) the address attribution message, triggers (52) a delay whereof the duration is so much longer if the received message reception is low, and if at the end (54) of the delay, no address capture message is detected (53), it transmits (56) such a message, stores (57) the received address, determines the address of the nearest downstream module without address, and triggers (30) the search phase for the nearest downstream module without address.
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