System Components

A62921-UN-23JUL08

CAN Harness Connecton

The ISO standard Controller Area Network (CAN) Harness connection is the primary connection between the implement and the tractor for the SeedStar™ monitor system.

A50167-UN-09SEP02

Planter Main 1 Controller (PM1)

This control unit:

• Provides the main planter software application and user interface on the GreenStar™ display.
• Contains all the setup information for the planter.
• Receives and processes signals from the seed sensors.
• Controls the variable rate drive system (if equipped).
• Controls the RowCommand™ system (if equipped).

A48199-UN-26OCT01

External Radar (Optional)

An external radar unit can be used to provide the ground speed signal for the SeedStar™ monitoring system if the tractor is not equipped with GPS reciever or a factory-installed radar. See RADAR CONFIGURATION in the Performance Monitor Section.

A67664-UN-11JUN10

John Deere Dual Beam Radar

The John Deere dual beam radar is an example of a factory installed tractor radar. The radar provides the ground speed signal for the SeedStar monitoring system. Refer to your tractor operator’s manual for calibration information.

A67665-UN-11JUN10

GPS Receiver

Certain Global Positioning System (GPS) receivers can also be used to provide a ground speed signal for the SeedStar monitoring system. Since many configurations are possible, please refer to your GreenStar operators manual or see your John Deere dealer.

A67677-UN-11JUN10

Seed Tube with Seed Sensor

The seed sensor is used to monitor seed activity at each row unit. Seed information is processed by the Planter Main 1 controller and displayed on the GreenStar™ display. SeedStar 2 monitoring systems use seed sensor data to calculate and display individual row and planter average seed population to the operator.

A37760-UN-06SEP95

Vacuum Sensor

The vacuum sensors provide the vacuum level signal to the Planter Main 1 (PM1) controller. There is one vacuum sensor for each vacuum fan on the planter.

A66613-UN-22FEB10

Planter Main 2 (PM2) Controller (Machines With Integrated Pneumatic Down Force)

This control unit:

• Controls and monitors pneumatic down force system.

A66996-UN-30APR10

Pneumatic Down Force Air Compressor (Machines With Integrated Pneumatic Down Force)

The pneumatic down force air compressor supplies pressurized air to the air storage tank(s) on SeedStar™ 2 Integrated Pneumatic Down Force planters. Electrical power for the air compressor is provided by the tractor convenience outlet or directly from the tractor battery. A pressure switch located on the pneumatic downforce control valve operates a relay on the compressor unit to turn the compressor on and off.

A68064-UN-06JUL10

Pneumatic Down Force Air Tank and Solenoid Control Valve (Machines With Integrated Pneumatic Down Force)

The pneumatic down force air storage tank(s) provide extra air capacity to make fast row unit down force changes on SeedStar 2™ Integrated Down Force planters. The solenoid control valve located on top of the main tank is controlled and monitored by the Planter Main 2 (PM2) controller.

A67679-UN-30JUN10

Pneumatic Down Force Pressure Sensor (Machines With Integrated Pneumatic Down Force)

The Pneumatic Down Force Pressure Sensor senses the amount of air pressure in the air spring circuit. The Planter Main 2 (PM2) controller uses the pressure sensor signal to adjust the pressure in the air spring circuit to achieve the down force setting entered by the operator.

A37524-UN-13SEP95

Fertilizer Pressure Sensor (Optional)

The fertilizer pressure sensor is optional on planters equipped with a liquid fertilizer piston pump. The Planter Main 1 (PM1) controller monitors the fertilizer pressure sensor signal and displays the pressure value on the GreenStar™ display.