NORAC UC5-BC-VT - Manual (Page 7)

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3.2 Height Sensors
 Height sensors use an ultrasonic signal to measure distance to the ground or crop canopy.
 The number of height sensors will vary from a minimum of two to a maximum of six per
system. Three height sensors are normally used.
3.3 Roll Sensors
 Roll sensors are important for measuring boom and sprayer roll dynamics.
 Two roll sensors are normally used for a UC5 Spray Height Control system.
 The mounting position of the roll sensors vary from sprayer to sprayer depending on
boom geometry and suspension.
3.4 Position Sensors
 Position sensors are used to measure boom suspension position and/or cylinder position.
 The function of position sensors may be similar to that of a pair of roll sensors.
 The mounting position of the position sensors vary from sprayer to sprayer depending on
boom geometry and suspension.
3.5 Modules
 Normally there are three modules included: a control module, an input module, and a
valve module.
 Module status is indicated by a LED. Shortly after power-up, the module should present a
solid green light, indicating the module is functioning and ready.