Toshiba W7 DN-57442-006 Installation & Operation Manual page 108

Adjustable speed drives
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F241-F244
Direct Access Parameter Information
W7B ASD Installation & Operation Manual
Run Frequency
Program  Special  Frequency Control
This parameter establishes a center frequency (Run Frequency) of a
frequency band.
Parameter
F242
provides a plus-or-minus value for the Run Frequency;
thus, establishing a frequency band.
During acceleration, the drive will not output a signal to the motor until
the lower level of the band is reached.
During deceleration, the drive will continue to output the programmed
deceleration output signal to the motor until the lower level of the band is
reached; at which time the output will go to 0.0 Hz.
Run Frequency Hysteresis
Program  Special  Frequency Control
This parameter provides a plus-or-minus value for the Run Frequency
(
setting
F241).
End Frequency
Program  Special  Frequency Control
This parameter sets the lowest frequency that the drive will recognize
during deceleration before the drive goes to 0.0 Hz.
Dead Band of 0Hz Frequency Setting Signal
Program  Special  Special Parameters
This parameter sets an output frequency threshold that, until the
commanded frequency surpasses this setting, the ASD will output 0.0
Hz to the motor.
Note:
This setting will override the Startup Frequency setting (F240) if
this setting has a higher value.
98
Direct Access Number — F241
Parameter Type — Numerical
Factory Default — 0.0
Changeable During Run — Yes
Minimum — 0.0
Maximum — Max. Freq. (F011)
Units — Hz
Direct Access Number — F242
Parameter Type — Numerical
Factory Default — 0.0
Changeable During Run — Yes
Minimum — 0.0
Maximum — 30.0
Units — Hz
Direct Access Number — F243
Parameter Type — Numerical
Factory Default — 0.0
Changeable During Run — Yes
Minimum — 0.0
Maximum — 30.0
Units — Hz
Direct Access Number — F244
Parameter Type — Numerical
Factory Default — 0.0
Changeable During Run — Yes
Minimum — 0.0
Maximum — 5.0
Units — Hz
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