Aerotech parameters setup
Wavefront sensor manipulator X axis
Counts/unit
Encoder = 0.244um resolution => 1 count of encoder = 0.244 * 10^(-3) mm
In Aerotech for mm as unit
Counts/unit = 1/ (0.244* 10^(-3)) = 4098.36065
Counts/rev
1 motor revolution = 
mm
=>4098.36065* =
Stepper Resolution
2000
Other Parameters (starting point)
Running current = 0.5A
Holding current = 0.2A
Stepper Damping Cut off = 150
Max Speed
axis maximum speed attained mm/sec
Error Thresholds
InPositionDistance (the position error threshold below which an axis is considered to be in position) for both axis 10-5 mm
InPositionTime (quantity of time that the position error of the axis must be less than InPositionDistance) = 500 sec
PositionErrorThreshold ( maximum allowable position error (the difference between the position command and the position feedback) before a position error fault is generated.)
1mm
Profile Monitor X axis
Counts/rev
1 motor revolution = say 5000 microsteps
Counts/unit
In Aerotech for mm as unit
1 motor revolution = mm
=>5000/
Stepper Resolution
2000
Other Parameters (starting point)
Running current = 0.5A
Holding current = 0.2A
Stepper Damping Cut off = 150
Max Speed
axis maximum speed attained mm/sec
Error Thresholds
InPositionDistance (the position error threshold below which an axis is considered to be in position) for both axis 10-5 mm
InPositionTime (quantity of time that the position error of the axis must be less than InPositionDistance) = 0 sec
PositionErrorThreshold ( maximum allowable position error (the difference between the position command and the position feedback) before a position error fault is generated.)
1mm
