138
GX9 ASD Installation and Operation Manual
High-Speed Operation at Light Load
Program
Special
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
This parameter may be disabled.
If either of the other selections are made and configured,
and after the
criteria of
–
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 (
3 — Automatic Enable - Preset Speed (Preset ID
Bin
is OR’ed w/1000
Bin
)
4 — Discrete Enable - Automatic Speed (
) (see item 60 of Table 8 on
pg. 217)
5 — Discrete Enable - Preset Speed (Preset ID
Bin
is OR’ed w/1000
Bin
) (see
item 60 of Table 8 on pg. 217)
Direct Access Number — F330
Parameter Type —
Selection List
Factory Default —
Disabled
Changeable During Run —
No
Light-Load High-Speed Operation Switching Lower-Limit
Frequency
Program
Special
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
) and the following conditions are met:
1)
Light-Load High-Speed Operation Enable
2) The output torque is less than the setting established in
when reaching
the frequency setting here.
Direct Access Number — F331
Parameter Type —
Numerical
Factory Default —
40.0
Changeable During Run —
Yes
Minimum — 30.0
Maximum — Upper Limit (
)
Units — Hz
Light-Load High-Speed Operation Load Wait Time
Program
Special
Crane/Hoist Load
times out, this parameter determines the length of
time that the
Light-Load High-Speed
criteria must be met until the
Light-
Load High-Speed
function engages.
Direct Access Number — F332
Parameter Type —
Numerical
Factory Default —
1.0
Changeable During Run —
Yes
Minimum — 0.0
Maximum — 10.0
Units — Seconds
Light-Load High-Speed Operation Load Detection Time
Program
Special
Crane/Hoist Load
This parameter determines the length of time that the load requirement must
meet the
Light-Load High-Speed
criteria before the
Light-Load High-Speed
Enable
) is recognized.
Once recognized, the timer setting of
must expire to engage the
Light-
Load High-Speed
function.
Direct Access Number — F333
Parameter Type —
Numerical
Factory Default —
1.0
Changeable During Run —
Yes
Minimum — 0.0
Maximum — 10.0
Units — Seconds
Summary of Contents for GX9
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Page 254: ...242 GX9 ASD Installation and Operation Manual Figure 39 GX9 ASD 250 400 HP Enclosure ...
Page 255: ...GX9 ASD Installation and Operation Manual 243 Figure 40 GX9 ASD 500 800 HP Enclosure ...
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