Near Intersection of I-35 & I-90 Southern Mn. | Concerning the 7000 series of tractors - some have mechanical linkage to the SCVs while others use an electric SCV. I assume that your 7820 is using the electric style.
It would seem that intercepting the command arm harness should be workable. Apparently the company mentioned has investigated this situation and has a solution (at least for some tractors).
My testing was for a control situation with variable output. This was to be used for a bed type dry fertilizer spreader where the speed of the bed determines the applied rate. The Raven would vary the PWM valve to change the hyd. flow so that the orbit motor would turn the bed at the appropraite speed based on Ground Speed, Width and desired Application rate.
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Laser / SCV
