uno.
Uno International Ltd.
Stepper Control Board Manual
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9. Set rate - a speed which is typical in your application. As any common stepper motor has 200 steps per
revolution, 1000 steps/second means 5 full revolutions per second or 300rpm (1000/200*60).
10. Choose the motor from the chain list and press the Green "Run" button. This will rotate the motor 10 full
revolution (=2000 steps).
11. Carry out 10 dispenses and calculate the mean value.
12. Go back to Motor Configuration of the motor you are calibrating and choose "Pump" as description of
the motor.
13. Enter the mean value you calculated as µl/revolution.
3. Changing the configuration of the motor
1. Now that the pump is calibrated you can reconfigure the motor from a motor counting steps to a pump
which dispenses in ml.
2. Highlight the motor to reconfigure from the Motors list and choose Motors/Configure from the drop down
menu.
