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Mechanical or programmable control panels can be used (see
picture).
Mobil management technology can also be incorporated. This allows control
panels to be accessed and changed from anywhere in the world via: telemetry
system, business band radio, mobile phone or direct phone line (see
picture). Online control system is available where several centre pivots
can be linked up and controlled from the office via computer (see
picture).
Safety devices present on the system stop the machine automatically whenever
there is any malfunctioning. Usually the outside tower controls the speed of
the system. A system of alignment controls, keeps the other towers inline
between the end tower and the pivot point.
Wind speed and rain gauge can be mounted
to stop the system if there is wind or rain. Also, soil moisture
sensors can be hooked up to the control panel to stop and start irrigation
based on the actual soil moisture.
A software can control and operate up to 32 pivot systems. |