77
Accel (Decel) Time 1 DRV 02, DRV 03
DRV: Accel Time 1
02 5.0sec
DRV: Decel Time 1
03 5.0sec
7 - PARAMETER DESCRIPTION
LCD Display
Range 0.1 to 3200.0s (Default 3.0s)
Description Acceleration time sets the length of time to accelerate from 0Hz to the maximum frequency parameter
AFN 04 - Maximum Freq on 111 121 for the primary ramp.
Deceleration time sets the length of time to decelerate from the maximum frequency parameter AFN 04
(Maximum Freq) on 111 121 to 0Hz from the primary ramp.
• For faster acceleration and/or deceleration, decrease the accel and/or decel time.
• For slower acceleration and/or deceleration, increase the accel and/or decel time.
z NOTE: Accelerating too fast will cause an overcurrent to occur and Decelerating too fast will cause an
overvoltage to occur.
z NOTE: When operating at less than max frequency the accel and decel times are reduced
proportionately. Example: if the operating frequency is 20Hz and the max frequency is 60Hz while the
accel time is 10 seconds, then the motor will accel from 0 to 20Hz in 3.3s.
See also AFN 23 - Ramp Cong on page 120.
Max.Freq.
Time
Acc.Time
Output Frequency
Figure 31: Accel/Decel Operation
Dec.Time
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