Toshiba G7 manual Drooping Reference, Light-load High-speed Operation Selection

F327 F331

Drooping Reference

Program ⇒ Feedback Parameters ⇒ Drooping Control ⇒ Drooping

Reference

This parameter sets the method to be used in determining the output torque while operating in the Drooping Control mode.

Settings:

Direct Access Number — F327

Parameter Type — Selection List

Factory Default — Total torque calculated by the detection current

Changeable During Run — Yes

Total Torque Calculated by the Detection Current.

Torque without Acc/Dec Torque Calculated by Detection Current. Total Torque Calculated by the Command Current.

Torque without Acc/Dec Torque Calculated by the Command Current.

Light-load High-speed Operation Selection

Program ⇒ Special Control Parameters ⇒ Crane/Hoist Settings ⇒ Express Speed Settings ⇒ Light-LoadHigh-Speed Operation

This parameter enables the Light-LoadHigh-Speedfunction by selecting an operating mode. The Light-LoadHigh-Speedfunction accelerates the output frequency of the ASD from the programmed speed to the setting established in

F341.

Direct Access Number — F330

Parameter Type — Selection List

Factory Default — Disabled

Changeable During Run — No

Minimum — 30.0

Maximum — Upper Limit (F012) Units — Hz

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-LoadHigh-Speedfunction is enabled and this parameter determines the operating mode of the Light-LoadHigh-Speedfunction.

Settings:

Disabled

Reserved

Automatic Enable - Automatic Speed (F341)

Automatic Enable - Preset Speed (Preset IDBin is OR’ed w/1000Bin) Discrete Enable - Automatic Speed (F341) (see item 60 of Table 8 on pg. 76) Discrete Enable - Preset Speed (Preset IDBin is OR’ed w/1000Bin) (see item 60 of Table 8 on pg. 76)

Light-Load High-Speed Operation Switching Lower-Limit	Direct Access Number — F331
Frequency	Parameter Type — Numerical
Program ⇒ Special Control Parameters ⇒ Crane/Hoist Settings ⇒	Factory Default — 40.00
Express Speed Settings ⇒ Light-Load High-Speed Operation	Changeable During Run — Yes
Switching Lower-Limit Frequency
	Minimum — 30.0
This parameter sets an output frequency threshold that, once surpassed, allows	Maximum — Upper Limit (F012)
the Light-loadHigh-speedfunction to be used.	Units — Hz
The Light-LoadHigh-Speedfunction 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.

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