Chapter 6 - Parameter description [FU1]

Output Voltage

Rated

 

 

Voltage

 

 

 

 

Output

FU1-22.

FU1-21.

Frequency

 

 

FU1-20

 

Note: If the command frequency is set lower than the starting frequency, inverter does not output voltage to motor.

FU1-23: Frequency Limit Selection

FU1-24: Low Limit Frequency

FU1-25: High Limit Frequency

FU1► Freq limit

 

 

23

 

0

 

23

--- No ---

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Factory Default:

No

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

FU1► F-limit Lo

 

 

24

 

0.50

 

24

 

0.50 Hz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Factory Default:

0.50 Hz

 

 

0.50

 

 

 

 

 

 

 

 

 

 

 

 

 

FU1► F-limit Hi

 

 

25

 

60.00

 

25

60.00 Hz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Factory Default:

60.00 Hz

60.00

 

 

 

 

 

 

 

 

 

 

FU1-23 selects the limits for the inverter operating frequency. If FU1-23 is set to ‘Yes’, inverter operates within the upper and lower limit setting. The inverter operates at the upper or the lower limit when the frequency reference is outside the frequency limit range.

Output Frequency

Reference Frequency Curve

Freq. Max

FU1-24

Output Frequency Curve

FU1-25

Time

[Freq. limit: ‘Yes’]

Note: Frequency limit does not work during accelerating and decelerating.

FU1-26: Manual/Auto Boost Selection

FU1-27: Torque Boost in Forward Direction

FU1-28: Torque Boost in Reverse Direction

FU1►Torque boost

 

26

 

0

 

26

Manual

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Factory Default:

Manual

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

FU1►

Fwd boost

 

27

 

2.0

 

27

 

2.0 %

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Factory Default:

2.0 %

 

 

2.0

 

 

 

 

 

 

 

 

 

 

 

 

 

FU1►

Rev boost

 

28

 

2.0

 

28

 

2.0 %

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Factory Default:

2.0 %

 

 

2.0

 

 

 

 

 

 

 

 

 

This function is used to increase the starting torque at low speed by increasing the output voltage of the inverter. If the boost value is set too high than required, it may cause the motor flux to saturate, causing over-current trip. Increase the boost value when there is excessive distance between inverter and motor.

[Manual Torque Boost]: The forward and reverse torque boost is set separately in FU1-27 and FU1-28.

Note: The torque boost value is the percentage of inverter rated voltage.

Note: When FU1-29 [Volts/Hz Pattern] is set to ‘User V/F’, this function does not work.

6-14

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Image 98
HP 30 30 manual FU1 Freq limit, FU1 F-limit Lo, FU1 F-limit Hi, 60.00 Hz, FU1Torque boost