uno.
Uno International Ltd.
Stepper Control Board Manual
10/21
4. Working with chains
1. You can run a single motor at any number of intervals, at any interval duration as many time as you
wish.
2. Right Click in the Chain box and choose "Add Repeat", "Add Delay" or "Add Backstep". Each time you
add one of these functions it will be added to the Chain box.
3. Drag the function you requested to the position you want and specify each function separately. You can
delete any of the functions by right-click and choosing Delete.
You can specify:
Repeat: Number of repeats
Delay: Period of delay between actions in seconds
Backstep: Volume of Backstep, it's speed and direction.
Backstep is a useful function in order to aspirate back into the dispense tip any partial droplets which might be
formed after a dispense.
You can drag the functions into any position in the chain tree, drag the motor from the motors box into the chain
box in order to achieve any motor variation you require.
An operation for a single motor function can look like this:
