ISOBUS ECU 1224 User and Instruction maual
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P00801545 Rev:02 SW:1.0.0
29
The flow-meter output is captured by the ISOBUS ECU 1224 and is represented by a pulsing signal
with a frequency proportional to the measured flow. In order to determine the flow, it is
necessary to configure the “Flow
-
meter conversion factor” representing the
amount of pulses
corresponding to one liter. This parameter can be found on the flowmeter documentation.
This parameter depends on the flowmeter and the conversion factor may vary according to the
sensor range and/or constructor.
The configuration page contains also the “flow
-
meter min/max value” parameters that are used by
system for graphical and consistency check purposes.
We recommend the use of Tecomec flowmeters having the following characteristics:
Part No. l/1’ bar
% FSO
°C V dc
#8404012 range (10÷200) l/min
#8404023
range (3÷60) l/min
#8404024
range (5÷100) l/min
#8404025
range (10÷200) l/min
In
“
WORK
”
page (fig 20),t the flow is reported in the indicator (lower left area)
That indicator can be used to show the measured pressure. To show the flow in the WORK page
check
the “Show press/flow” parameter must be set to “flow”).
9.3.4 Pressure sensor setup
The pressure sensor is optional Can be used to measure the pressure in the control unit or
regulate the Ratio. Check specific parameters in the SETUP Page If the sensor pressure is present,
the “Pressure sensor min/max value” parameters shall be defined.
The pressure sensor must supply signal 4-20 mA, proportional to pressure.
9.3.5 Tank level sensor setup
This sensor is Optional.
ECU-1224 can manage a level sensor (4-20 mA output) mounted on the sprayer tank, to
determine the current level of the agronomic product available.
In case level sensor is installed,
enable “Tank level sensor present” parameter of the configuration.
After sensor installation run level sensor calibration (refer to chapter 9.7 for more details).
If the use of the level sensor is disabled, ISOBUS ECU 1224 calculates tank level using flowmeter to
determine the amount of product distributed and consequently the residual quantity available in
the tank.
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