ISOBUS ECU 1224 User and Instruction maual
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P00801545 Rev:02 SW:1.0.0
28
Figure 16
9.3.2 Speed source setup
ISOBUS ECU 1224 can measure speed from different sources. In particular 4 sources can be
selected:
•
Ground
: the speed measure is received from the ISOBUS TC component (derived from GPS
antenna)
•
Vehicle
: the speed measure is received from the ISOBUS TC component (derived from
tractor vehicle data)
•
Tone Wheel
: sensor mounted to the wheel axel connected to ISOBUS ECU 1224 (pulsed
signal). In this case the user shall configure also the “Tone wheel const” parameter to set
the distance (expressed in cm) associated to each pulse of the sensor. This distance shall be
computed using the wheel circumference and the number of proximity tags installed (they
must be placed at the same distance).
To determine the “Tone wheel const” parameter, the following formula shall be used:
Tone wheel const = (6,283
x
R) / N
Where:
R = wheel radius (including the tire)
–
expressed in cm
N = number of tags
•
Simulated
:
constant value defined by the user with the “Simulated speed” parameter (it
may be useful when a malfunction on the other sources is detected)
9.3.3 Flowmeter setup
The flowmeter is used by ISOBUS ECU 1224 for the automatic regulation of the flow according to
the current set-point configured (manually by the user or received from the ISOBUS TC).
Summary of Contents for GEOline 8410073
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