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Distributed architecture irrigation controller

  • US 7,245,991 B1
  • Filed: 01/28/2005
  • Issued: 07/17/2007
  • Est. Priority Date: 01/28/2005
  • Status: Active Grant
First Claim
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1. A distributed architecture irrigation controller, comprising:

  • means for entry or selection of a watering program;

    means for storing the watering program;

    means for providing a plurality of receptacles for removably receiving a plurality of modules;

    a plurality of station modules each configured for insertion into one of the receptacles and connectable to a corresponding solenoid actuated valve, each station module including a micro-controller and at least one switching device for selectively providing a power signal that energizes the corresponding solenoid actuated valve;

    processor means for executing the stored watering program and controlling the station modules in accordance with the stored watering program;

    a controller area network (CAN) bus connecting the processor means and the receptacles; and

    the processor means and the micro-controllers each including means for sending and receiving messages over the bus that are generated by the processor means and the micro-controllers.

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