ACE-tronics G9 ASD Installation and Operation Manual 83
Acceleration Time 1 — UP/DOWN Frequency Accel Time
Program Fundamental Acc/Dec 1
This is a dual-function parameter. The two functions are described below.
1) This parameter specifies the time in seconds for the output of the ASD to go
from 0.0 Hz to the Maximum Frequency for the #1 Acceleration profile.
2) This parameter specifies the time in seconds for the output of the ASD to go
from 0.0 Hz to the Maximum Frequency during the UP/DOWN
Frequency Functions. See
F264 for additional information on the UP/
DOWN Frequency Functions.
The Accel/Decel pattern may be set using F502. This parameter may be further
defined by the settings of F506 – F509.
Note: An acceleration time shorter than the load will allow may cause
nuisance tripping and mechanical stress to loads. Automatic
Accel/Decel, Stall, and Ridethrough settings may lengthen the
actual acceleration times.
Acceleration
The acceleration rate of a motor is determined by several factors: applied
power, applied load, and the physical properties of the motor (winding
parameters, motor size, etc.). The ASD will control the first of these factors:
input power. The settings of the ASD will control the frequency and amplitude
of the applied voltage to the motor.
Under most operating conditions, as the output frequency of the ASD goes up
so does the output voltage (linear acceleration). The ASD has the ability to
modify the relationship between frequency and voltage automatically to
produce smoother operation or increased (starting) torque (see
F502).
Direct Access Number — F009
Parameter Type — Numerical
Factory Default — 3.0
Changeable During Run — Yes
Minimum — 0.1
Maximum — 6000
Units — Seconds
Deceleration Time 1 — UP/DOWN Frequency Decel Time
Program Fundamental Acc/Dec 1
This is a dual-function parameter. The two functions are described below.
1) This parameter specifies the time in seconds for the output of the ASD to go
from the Maximum Frequency to 0.0 Hz for the #1 Deceleration profile.
2) This parameter specifies the time in seconds for the output of the ASD to go
from the Maximum Frequency to 0.0 Hz during the UP/DOWN
Frequency Functions. See
F264 for additional information on the UP/
DOWN Frequency Functions.
The Accel/Decel pattern may be set using F502. This parameter may be further
defined by the settings of F506 – F509.
Note: A deceleration time shorter than the load will allow may cause
nuisance tripping and mechanical stress to loads. Automatic
Accel/Decel, Stall, and Ridethrough settings may lengthen the
actual deceleration times.
Direct Access Number — F010
Parameter Type — Numerical
Factory Default — 1.5
Changeable During Run — Yes
Minimum — 0.1
Maximum — 6000
Units — Seconds
cel Time
el Time
F009 F010
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