Patent ID: 6459959
Filing Date: 2002-10-01
Classification: A01G,G05B

Abstract:
An irrigation controller comprising:a housing having a microprocessor for storing and executing a watering program for controlling a plurality of irrigation stations, wherein the microprocessor includes a parallel output bus within the housing having a plurality of separate station output pins for controlling the irrigation stations with one station output pin used for controlling each station; and a plurality of receptacles disposed in said housing, each receptacle ensuring a direct electronic connection to said output pins; a selection of modules, at least two of which being configured for interchangeable placement into at least two of said receptacles within said housing, each of said modules having a terminal suited for receiving an electrical lead wire extending to the irrigation station, each of said modules further having a driver and switch for activating the station as commanded by the microprocessor over the at least one station output pin.