6-26
6
Setting Example
An example of stall prevention during deceleration when L3-04 is set to 1 is shown below.
Fig 6.29 Stall Prevention During Deceleration Operation
Setting Precautions
• The stall prevention level during deceleration differs depending on the inverter rated voltage and input
voltage. Refer to the following table for details.
• When using the braking option (braking resistor, braking resistor units, and braking units), be sure to set
parameter L3-04 to 0 or 3.
• When a braking option is used and the deceleration time shall be optimized (shorter than setting of C1-02/
04/06/08), L3-04 has to be set to 3.
Inverter Rated/Input Voltage Stall Prevention Level during Deceleration (V)
200 V class 380
400 V class
E1-01 ≥ 400 V 760
E1-01 < 400 V 660
Deceleration time controlled to
prevent overvoltage
Deceleration time
(set value)
Time
Output frequency
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