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Systems and methods for a communication protocol between a local controller and a master controller

  • US 8,773,236 B2
  • Filed: 09/30/2010
  • Issued: 07/08/2014
  • Est. Priority Date: 12/29/2009
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • attempting to communicate, from a first local management unit of a plurality of local management units, on a first active channel at a predetermined frequency with a master management unit, each of the plurality of local management units coupled to control a respective solar module of a plurality of solar modules;

    determining if communication with the master management unit on the first active channel has been established;

    in response to a determination that the communication on the first active channel has not been established, attempting to communicate on a second active channel with the master management unit, the second active channel having a frequency different from the first active channel;

    determining if communication with the master management unit on the second active channel has been established; and

    after communication with the master management unit has been established, restarting the first local management unit and subsequently communicating with the master management unit at a frequency other than the predetermined frequency.

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