HX7+ ASD Installation and Operation Manual
75
Accel #1 Time
Program
Fundamentals
Accel/Decel #1 Settings
This parameter specifies the time in seconds for the drive to go from 0.0 Hz to
the
Maximum Frequency
for the
#1 Acceleration
profile. The accel/decel
pattern may be set using
. The minimum accel/decel time may be set using
Note:
An acceleration time shorter than the load will allow may cause
nuisance tripping and mechanical stress to loads.
Automatic Accel/Decel
and
Stall
settings
may lengthen the
acceleration time.
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 control the frequency and amplitude of
the applied voltage to the motor.
Under most operating conditions, as the output frequency of the drive 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.
Direct Access Number — F009
Parameter Type —
Numerical
Factory Default — (ASD dependent)
Changeable During Run —
Yes
Minimum — 0.1
Maximum — 6000
Units — Seconds
Decel #1 Time
Program
Fundamentals
Accel/Decel #1 Settings
This parameter specifies the time in seconds for the drive to go from the
Maximum Frequency
to 0.0 Hz for the
#1 Deceleration
profile. The accel/
decel pattern may be set using
When operating with the
Automatic
Accel/Decel
enabled (
) the minimum
accel/decel time may be set using
Note:
A deceleration time shorter than the load will allow may cause
nuisance tripping and mechanical stress to loads.
Automatic Accel/Decel
and
Stall
settings
may lengthen the
acceleration time.
Direct Access Number — F010
Parameter Type —
Numerical
Factory Default — (ASD dependent)
Changeable During Run —
Yes
Minimum — 0.1
Maximum — 6000
Units — Seconds
Maximum Frequency
Program
Fundamentals
Frequency Settings
This setting determines the absolute maximum frequency that the ASD can
output. This setting is also referred to as
FH
.
Accel/decel
times are calculated based on the
Maximum Frequency
setting.
Note:
This setting may not be lower than the
Upper Limit
setting
(
).
Direct Access Number — F011
Parameter Type —
Numerical
Factory Default —
80.0
Changeable During Run —
No
Minimum — 30.0
Maximum — 299.0
Units — Hz
Содержание HX7+ ASD
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