Description

DESCRIPTION OF THE DPA BOX WITH GPS ANTENNA AND T24/T28 DPA WIDTH ADJUSTMENT

• The DPA with GPS antenna regulates the rate of distribution in relation to the progress of the tillage tool (DPA system), on a continuous basis.
• This is a proportional advance flow system using a magnetic GPS antenna to be positioned outside the tractor cab.
• The DPA system with GPS antenna is equipped with a control light and a control box in the cab which takes over the functions of the DELIMBE seed drills. It is fitted with switches for memorizing speed and starting seeding at the end of the row.

The DPA with GPS antenna consists of :

• A control box with 2 potentiometers (40 amps),
• On/off switch to control dispensing,
• An on/off button to control the blower,
• A priming button to start the system without moving forward (e.g. for weighing),
• A memorized speed button, to save a setting (the desired speed).
• A potentiometer for adjusting the flow rate,
• A 2nd variator knob (potentiometer) for adjusting the rotation speed of the table, i.e. the working width,
• A magnetized GPS antenna to be mounted on the outside of the tractor cab. Cable length is 2.5 meters.
• Power supply harness included with the box: The box includes a 3-pin plug for power supply to the tractor with a 1.5-meter harness and a 7-pin plug for connection to the unit with a 6-meter harness.

HOW TO USE DPA WITH GPS ANTENNA FOR T24/T28

• Position the GPS antenna outside the tractor cab. Be careful with this system: avoid areas with trees, mountains or white areas where the network is weak.
• It’s best to use the setting chart supplied with the unit to adjust the DPA.

ADJUSTING THE DPA BOX WITH THE T24 OR T28 SLUG-PROOF GPS ANTENNA

Make the following calculation to obtain a setting in kg/hour:

Speed x Working width x Dose per hectare = Kilogram per hour.

The result obtained enables you to weigh in a minute to obtain grams/minute and check the correct dose setting. This weight must then be converted into kilograms/hour.

To do this, hold your finger on the priming button for one minute. The spline will then rotate to the desired setting.

If over- or under-dosing is detected during weighing, the potentiometer setting must be changed and weighing repeated.

Once a setting has been made on the in-cab potentiometer, turn on the on/off switches to start the blower and distribution. The tractor must be travelling at the set working speed for the DPA to receive speed information. When this working speed is reached, press the memorized speed button. The green LED starts flashing. When it stays on and stops flashing, this means that the DPA is working. The dose is therefore even, whatever the tractor’s forward speed.

For more details on features, click on the “product details” tab just above the description.