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Building management system with dynamic master controller selection

  • US 10,642,770 B2
  • Filed: 06/05/2017
  • Issued: 05/05/2020
  • Est. Priority Date: 02/07/2017
  • Status: Active Grant
First Claim
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1. A building management system comprising:

  • a communications bus;

    an old master controller device connected to the communications bus; and

    a plurality of slave devices connected to the communications bus;

    wherein the plurality of slave devices are configured to;

    detect that the old master controller device has stopped communicating over the communications bus; and

    perform an algorithm to dynamically determine a new master controller device from the plurality of slave devices, wherein determining the new master controller device is based at least in part on device identifiers associated with the plurality of slave devices; and

    wherein the new master controller device is configured to assume master controller device functions comprising;

    querying a remote server to obtain configuration information for the plurality of slave devices; and

    commissioning the plurality of slave devices using the configuration information obtained from the remote server.

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