Toshiba WX9 ASD Installation & Operation Manual page 135

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F308
Dynamic Braking Resistance (not used)
Program Protection Dynamic Braking
This parameter is model-specific and has no function on the WX9 ASD.
This parameter is used to input the resistive value of the Dynamic Braking
Resistor.
For additional information on selecting the proper resistance value for a given
application, contact the TIC Customer Support Center.
For additional information on Dynamic Braking, see F304.
Note:
The Dynamic Braking function is NOT used with the WX9 ASD.
Continuous Dynamic Braking Capacity (not used)
Program Protection Dynamic Braking
This parameter is model-specific and has no function on the WX9 ASD.
This parameter is used to input the wattage of the Dynamic Braking Resistor.
For additional information on selecting the proper resistor wattage value for a
given application, contact the TIC Customer Support Center.
For additional information on Dynamic Braking, see F304.
Note:
The Dynamic Braking function is NOT used with the WX9 ASD.
Ridethrough Time
Program Protection Undervoltage/Ridethrough
In the event of a momentary power outage, this parameter determines the length
of the Ridethrough time. During a Ridethrough, regenerative energy is used
to maintain the control circuitry settings; it is not used to drive the motor.
The Ridethrough will be maintained for the number of seconds set using this
parameter.
Note:
The actual Ridethrough Time is load-dependent.
Forward/Reverse Disable
Program Frequency Forward/Reverse Disable
This parameter Enables/Disables the Forward Run or Reverse Run mode.
If either direction is disabled (box checked), commands received for the
disabled direction will not be recognized.
If both directions are disabled (both boxes checked), the received direction
command will determine the direction of the motor rotation.
Settings:
0 — Permit All
1 — Disable Reverse Run
2 — Disable Forward Run
3 — Direction by Command Permitted
WX9 ASD Installation and Operation Manual
Direct Access Number — F308
Parameter Type — Numerical
Factory Default — (ASD-Dependent)
Changeable During Run — No
Minimum — 1.0
Maximum — 1000.0
Units — 
Direct Access Number — F309
Parameter Type — Numerical
Factory Default — (ASD-Dependent)
Changeable During Run — No
Minimum — 0.01
Maximum — 600.0
Units — kW
Direct Access Number — F310
Parameter Type — Numerical
Factory Default — 2.00
Changeable During Run — Yes
Minimum — 0.00
Maximum — 320.0
Units — Seconds
Direct Access Number — F311
Parameter Type — Selection List
Factory Default — Permit All
Changeable During Run — No
F311
123

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