LEESON FHP Series Chassis Mount Variable Speed Drives - Manual (Page 56)

46 Calibration
Calibration Procedure Setup for 60 Hz Motors:
1. Set the ENABLE switch to the DISABLE (open) position.
If no switch is installed, remove the jumper between the
(E2) and (E1) terminals of TB501.
2. Set the DIRECTION switch to the FWD (open) position.
If no switch is installed, remove the jumper between the
(D) and (E1) terminals of TB501.
3. Set all trimpots except TQ LIMIT and MAX fully
counterclockwise (CCW).
4. Set the TQ LIMIT trimpot to maximum (full CW).
5. Set the speed adjust potentiometer to zero (full CCW).
6. Calibrate the trimmer pots as follows:
MAXIMUM SPEED (MAX SPD)
Rotate the speed adjust potentiometer full CW. Using a
hand-held tachometer or analog frequency meter as a
reference, adjust the MAX trimpot until the desired speed or
frequency is reached.