HX7+ ASD Installation and Operation Manual
97
Electronic Thermal Protection #4
Program
Motor Parameters
Motor Set #4
The
Motor #4 Electronic Thermal Protection
parameter specifies the motor
overload current level for motor set #4. This value is entered as either a
percentage of the full load rating of the ASD or as the FLA of the motor.
The unit of measurement for this parameter may be set to
Amps
(V/A) or it
may be set as a percentage of the ASD rating. The name-plated FLA of the
motor may be entered directly when
Amps
is selected as the unit of
to change the display unit).
Electronic Thermal Protection
settings
(#1 – #4) will be displayed in
Amps
if
the keypad display units are set to
V/A
rather than
%
.
Direct Access Number — F181
Parameter Type —
Numerical
Factory Default —
100.0
Changeable During Run —
Yes
Minimum — 10.0
Maximum — 100.0
Units — %
V/f Adjustment Coefficient
Program
Special Control
Special Parameters
This parameter may be used in the
Constant Torque
or the
Variable Torque
modes only and should be adjusted gradually to improve the application-
specific torque requirements. The
Torque Boost
setting (
) may be adjusted
to improve the low-frequency torque performance.
Note:
The
Torque Boost
setting should be adjusted gradually before
attempting performance corrections using this parameter.
Direct Access Number — F183
Parameter Type —
Numerical
Factory Default —
32
Changeable During Run —
Yes
Minimum — 0
Maximum — 255
Custom V/f Five-Point Setting #1 Frequency
Program
Special Control
V/f Five-Point Setting
The
Custom V/f Five-Point Setting #1
Frequency
setting establishes the
frequency that is to be associated with the voltage setting of
Custom V/f
Five-Point Setting #1 Voltage
).
The V/f five-point settings define a custom volts per hertz relationship for the
startup output of the ASD.
To enable this function, set the
V/f Pattern
) selection to
Custom V/f
Curve
.
Custom V/f Curves
may be useful in starting high inertia loads such as rotary
drum vacuum filters.
Direct Access Number — F190
Parameter Type —
Numerical
Factory Default —
0.0
Changeable During Run —
No
Minimum — 0.0
Maximum — 299
Units — Hz
Содержание HX7+ ASD
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