B-2
ARC-6000
98-05012
R3
Boom Width
Data
Ground Speed
Data
Application Rate
Data
Rate Change
Commands
Operator/Console
Input
DISPLAY SELECTOR
Speed
Field Area Impl. Width
Distance
Test
Speed
Prime
Total Applied
Application Rate
OFF SET- UP DEC.
ON OPERATE INC.
Scan
%
Rate
Product Vol.
Total Area
ARC-6000
Automatic
Rate Controller
MIDWEST TECHNOLOGIES, INC.
BOOMS
123456789
¨
MID-TECH
MPH
Mid-T
ech
Appendix B SYSTEM O VERVIEW
How The ARC Controls Application Rate
T
he ARC System compares ground speed, active
boom width, and product flow rate four times a
second. A change in ground speed or boom
width results in a proportional change of material flow
rate to maintain a constant, pre-selected application
rate. High speed microprocessors and high resolution
sensors are used in the ARC System to allow it to
control the carrier application rate quickly and pre-
cisely.
ARC System Components
E
ach component is described below so the
operator has a general understanding of
function.
Fig. B-1 ARC
System Data Flow
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