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Building management system with automatic equipment discovery and equipment model distribution

  • US 10,402,360 B2
  • Filed: 06/10/2016
  • Issued: 09/03/2019
  • Est. Priority Date: 06/10/2016
  • Status: Active Grant
First Claim
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1. A building management system comprising:

  • a system manager comprising a first system bus datalink having a first active node table stored therein;

    a zone coordinator comprising a second system bus datalink and a zone bus datalink;

    a system bus connecting the first system bus datalink to the second system bus datalink;

    one or more zone controllers, each zone controller configured to monitor and control a building zone; and

    a zone bus connecting the zone bus datalink to the one or more zone controllers;

    wherein a plurality of system bus devices, including the system manager and the zone coordinator, communicate on the system bus using a master-slave token passing protocol;

    wherein the first active node table comprises a plurality of nodes, each node representing one of the system bus devices participating in a token passing ring used to exchange information among the system bus devices using the master-slave token passing protocol via the system bus;

    wherein the system manager is configured to monitor the first active node table for new nodes and to identify a new system bus device communicating on the system bus in response to a determination that the first active node table includes a new node.

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