Irrigation controller with indirectly powered station modules

Details Irrigation controller with indirectly powered station modules Irrigation controller with indirectly powered station modules

2007-05-14

2008-11-25

DeCady, Albert (Department: 2121)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Mechanical control system

C239S069000, C137S624110, C174S050000, C174S053000

Reexamination Certificate

active

07457687

ABSTRACT:
An irrigation controller includes inputs for entry or selection of a watering program and a memory capable of storing the watering program. A plurality of station modules are removably received in a plurality of corresponding receptacles. Each station module includes a station module circuit for switching a source of electrical power to open and close at least one of a plurality of valves. When the station modules are inserted into the receptacles a communication path is established between each station module circuit and the processor. The processor is capable of executing the watering program and sending commands to the station module circuits to open and close the valves in accordance with the watering program. A manually actuable mechanism allows a power signal to be applied to each station module circuit after the station modules have been inserted into their corresponding receptacles and the communication path has been established.

REFERENCES:
patent: 5262936 (1993-11-01), Faris et al.
patent: 6459959 (2002-10-01), Williams
patent: 6842667 (2005-01-01), Beutler et al.
patent: 7069115 (2006-06-01), Woytowitz
patent: 2004/0225411 (2004-11-01), Beutler et al.
patent: 2005/0038529 (2005-02-01), Perez et al.
patent: 2005/0055106 (2005-03-01), Beutler et al.
patent: 2006/0030971 (2006-02-01), Nelson et al.

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