HX7+ ASD Installation and Operation Manual 131
Drooping Reference
Program Feedback Parameters Drooping Control
This parameter sets the method to be used in determining the output torque
while operating in the Drooping Control mode.
Settings:
0 — Total Torque Calculated by the Detection Current.
1 — Torque without Acc/Dec Torque Calculated by Detection Current.
2 — Total Torque Calculated by the Command Current.
3 — Torque without Acc/Dec Torque Calculated by the Command Current.
Direct Access Number — F327
Parameter Type — Selection List
Factory Default — Total torque
calculated by the detection current
Changeable During Run — Ye s
Light-Load High-Speed Operation Selection
Program Special Control Crane/Hoist Load
This parameter enables the Light-Load High-Speed function by selecting an
operating mode. The Light-Load High-Speed function accelerates the output
frequency of the ASD from the programmed speed to the setting established in
F341.
This parameter may be disabled.
If either of the other selections are made and configured, and after the criteria of
F331 – F333 are met, the Light-Load High-Speed function is enabled and this
parameter determines the operating mode of the Light-Load High-Speed
function.
Settings:
0 — Disabled
1 — Reserved
2 — Automatic Enable - Automatic Speed (F341)
3 — Automatic Enable - Preset Speed (Preset ID
Bin
is OR’ed w/1000
Bin
)
4 — Discrete Enable - Automatic Speed (F341) (see item 60 of Table 14 on
pg. 189)
5 — Discrete Enable - Preset Speed (Preset ID
Bin
is OR’ed w/1000
Bin
) (see
item 60 of Table 14 on pg. 189)
Direct Access Number — F330
Parameter Type — Selection List
Factory Default — Disabled
Changeable During Run — No
Minimum — 30.0
Maximum — Upper Limit (F012)
Units — Hz
Light-Load High-Speed Operation Switching Lower-Limit
Frequency
Program Special Control Crane/Hoist Load
This parameter sets an output frequency threshold that, once surpassed, allows
the Light-Load High-Speed function to be used.
The Light-Load High-Speed function may be used if the frequency threshold
(
F331) and the following conditions are met:
1) Light-Load High-Speed Operation Enable is configured at F330.
2) The output torque is less than the setting established in F335 when reaching
the frequency setting here.
Direct Access Number — F331
Parameter Type — Numerical
Factory Default — 40.00
Changeable During Run — Ye s
Minimum — 30.0
Maximum — Upper Limit (F012)
Units — Hz
F327 F331
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