Chapter 4 - Parameter Description [FU1]

Related Functions: FU2-33 [Rated Motor Current]

FU1-59: Stall Prevention Mode Selection (Bit set)

FU1-60: Stall Prevention Level

This bit set parameter follows the conventions used in I/O-15 and I/O-16 to show the ON (bit set) status.

This function is used to prevent the motor from stalling by reducing the inverter output frequency until the motor current decreases below the stall prevention level. This function can be selected for each mode of acceleration, steady speed, and deceleration via bit combination.

☞Note: The set value is the percentage of FU2-33 [Rated Motor Current].

FU1-59 [Stall Prevention Mode Selection]

Setting Range

FU1-59

Description

3rd bit

2nd bit

1st bit

0

0

1

001

Stall Prevention during

Acceleration

0

1

0

010

Stall Prevention during Steady

Speed

1

0

0

100

Stall Prevention during

Deceleration

When FU1-59 is set to ‘111’, stall prevention works during accelerating, steady speed and decelerating.

☞Note: The acceleration and deceleration time may take longer than the time set in DRV-01, DRV-02 when Stall Prevention is selected.

☞Note: If stall prevention status persists, inverter may stop during acceleration.

Related Functions: FU2-33 [Rated Motor Current]

Output Current

FU1-60 [Stall Level]

Time

FU1-60 [Stall level]

Output Frequency

Time

[Stall Prevention during Acceleration]

Output Current

FU1-60 [Stall Level]

Time

FU1-60 [Stall Level]

Output Frequency

Time

[Stall Prevention during Steady Speed]

DC Link Voltage

390VDC or 680V DC

Time Output Frequency

Time

[Stall Prevention during Deceleration]

48

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Cleveland Range inverter manual FU1-59 Stall Prevention Mode Selection, St bit
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inverter specifications

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