Acceleration and Deceleration Characteristics
6-23
Setting Example
An example of stall prevention during deceleration when L3-04 is set to 1 as shown below.
Fig 6.23 Stall Prevention During Deceleration Operation
Setting Precautions
• The stall prevention level during deceleration differs depending on the Drive capacity. Refer to the follow-
ing 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.
• To decelerate at a shorter time than the deceleration time set when L3-04 is set to 0 with the braking option
enabled, set L3-04 to 3.
• The setting of L3-04 is ignored for flux vector control or open-loop vector control 2.
Drive Capacity Stall Prevention Level during Deceleration (V)
200-240Vclass 380
380-480Vclass
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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