With the RelativeFlow blockage sensing, operators can see the flow rate of both seed and fertilizer from inside the tractor cab. Sensors on all primary towers and secondary hoses monitor the relative product flow, giving you a better view of the flow rate of both seed and fertilizer from the cart to the opener from inside your tractor cab. This exclusive technology can help you identify any problems before potential blockage occurs.

RelativeFlow Blockage is available on the following models:

P540 – 12.2-m (40-ft)
P556 – 17.1-m (56-ft)
P576 – 23.2-m (76-ft)
N500C – all widths
1890 – 15.2-m (50-ft) and 18.3-m (60-ft)
N530F – 9.1-m (30-ft)
N540F – 12.2-m (40-ft)
N543F – 13.1-m (43-ft)
N560F – 18.3-m (60-ft)

RelativeFlow Blockage is compatible with hydraulic drive carts for model year 2014 and newer 1910, model year 2013 and newer 550 Carts, C650 and C850 Air Cart.

Below are the GreenStar™ 3 2630 Display screens for the blockage monitoring system. For complete details and information, see the owner’s manual.

The RelativeFlow sensing chart shows the amount of flow through each sensor on the selected tower. Sensitivity for the blockage system can be adjusted if desired, as shown below.

Blockage warning sensitivity allows the producer to set and change the sensitivity of the sensors to meet their preferences. Increasing the sensitivity means the system is more likely to show a false blockage, while less sensitivity means the system is more likely to miss a blockage.

Multiple run-page alarm behavior options are available for selection.

Below are the Gen 4 display screens for the blockage monitoring system on the N500C.

For complete details and information reference, the owner’s manual.

The SeedStar™ system run page displays the five major run settings. Clicking on any of the tiles will take an operator to that specific page (shown below).

Blockage alarm delays can be set up by clicking on the advanced settings button from the blockage set-up screen.

A blockage delay is how long a blockage should occur before an alarm is sounded.
The blockage alarm reminder is how often the alarm should sound when a blockage occurs.
The meter on delay is the time from when the meter is turned on until the blockage sensor should start monitoring for blockage.
The meter off delay is the time from when the meter is turned off until the blockage sensor should start monitoring to verify no flow.

For more detailed information, see the owner’s manual.

Air tools with Relative Flow Blockage are not compatible with 1910 air carts with ground drive.

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