AFFZP0BB – ACE3 – User Manual Page – 75/139
8.4 Acceleration time
The ACCEL DELAY parameter allows to define the acceleration rate depending on
the final-speed setpoint and on ACCEL MODULATION.
- ACCEL MODULATION = OFF
Acceleration time can be obtained applying this formula:
100
∙
- ACCEL MODULATION = ON
Acceleration time is evaluated differently by software for final-speed setpoint
values above or below 100 Hz.
Case 1
(black trace in the graph):
Final-speed setpoint = 100 Hz
ACCEL DELAY = 2,5 s
Acceleration time results 2.5 s.
Case 2
(red trace in the graph):
Final-speed setpoint = 60 Hz
ACCEL DELAY = 2,5 s
Acceleration rate is re-scaled so that acceleration time results equal to
ACCEL DELAY, in this case 2.5 s.
Case 3
(green trace in the graph):
Final-speed setpoint = 150 Hz
ACCEL DELAY = 2,5 s
Acceleration time results:
150
100
∙2.5 3,75
Figure 1: Acceleration time
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