Operator`s manual

3500 VRC Operator’s Manual

V5.00.26

October

2006

Revision M

Part No. : AM

3500V/M/SIMV5

Updated : 12/10/2006

5.4.2 - Set Ratios

If drive ratios are already known, alarm points can be manually set. If drive ratios are unknown they

can be displayed live and set while operating.

Manual Setting

1. Press softkey pointing at “DRIVE 1 RATIO” to highlight the far right column.

2. Use the arrow keys to set the recommended drive ratio.

3. Repeat steps 1 to 3 for all other active bins.

Determining Drive Ratios

When the metering system is active drive ratios are displayed live in the middle column of the

screen. It may take up to 60 seconds before the displayed ratio is updated. Wait for at least two

updates before setting the alarm point.

1. Ensure correct drive gears are fitted and correct product calibration factors are entered.

2. Start air seeder and begin operation.

3. Press softkey pointing at “DRIVE … RATIO”.

4. Press “RESET” key to clear ratio set-point to 999:1.

5. Watch until live ratio display updates at least twice, then press “SET”’ softkey at bottom of

screen to capture and set the live ratio.

6. Repeat steps 3 to 5 for each active drive.

Note

?? Drive ratios are a comparison of the number of feedback pulses generated by the drive to the

number of pulses generated at the final metering mechanism.

?? Disable the drive ratio alarm for the drive applying liquid or anhydrous NH