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Building automation system

  • US 7,781,910 B2
  • Filed: 09/26/2007
  • Issued: 08/24/2010
  • Est. Priority Date: 07/20/2006
  • Status: Active Grant
First Claim
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1. A building automation system (BAS) comprising:

  • a controller;

    a plurality of modules;

    an intermediary logically disposed between the modules and the controller, said intermediary comprising modular RS-485 connectors; and

    RS-485 cables connecting the controller, the intermediary, and the modules, wherein at least one of the modular RS-485 connectors comprises;

    a plug having a substantially L-shaped body and a back, the back having apertures configured to receive wires of an RS-485 cable, the plug body containing a short leg and a long leg; and

    a housing having a substantially L-shaped body, the housing body including a short leg and a long leg, the short leg containing a front face of the housing body and the long leg containing a bottom face of the housing, each of the bottom and front faces having an opening,wherein the opening in the bottom face in the housing of the modular RS-485 connector retains the plug such that the plug is accessible through the opening in the front face in the housing of the modular RS-485.

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