MIN: Minimum Speed

The MIN trim pot is used to set the minimum output frequency of the drive, which sets the minimum motor speed. The minimum speed is factory set to 10 Hz. Readjust the trim pot as follows:

1.Rotate main speed potentiometer to the

minimum speed position (full counterclockwise).

2.Increase setting of MIN trim pot so that motor runs at desired minimum speed.

HERTZ 17

0 24 MIN

MAX: Maximum Speed

The MAX trim pot is used to set the maximum output frequency of the drive, which sets the maximum motor speed. The maximum speed is factory set to full rated motor speed. Readjust the trim pot as follows:

1.Rotate main speed potentiometer to the maximum speed position (full clockwise).

2.Adjust setting of MAX trim pot so that motor runs at desired maximum speed.

HERTZ 40

30 60

MAX

ACC: Acceleration

The ACC trim pot sets the time it takes the motor to reach full speed from an initial zero start. The trim pot is factory set to approximately 1.5 seconds. Adjust the ACC trim pot as required for the application.

Note: When the control is set for 50 Hz operation, the ACC trim pot will automatically change to adjustable acceleration and deceleration.

SECONDS 10.0

3.017.0

1.5

18.5

0.3

20.0

 

ACC

Note: Rapid acceleration may cause the current limit circuit to activate. This will automatically extend the acceleration time.

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HP 2995 manual MIN Minimum Speed