Toshiba VLP Technology Q9 Plus, Installation & Operation Manual, Page: 194 / 285

Q9 Plus ASD Installation and Operation Manual 185
Under-Torque Detection Level During Power Running
Program

Protection

Under-Torque Detection
While the motor is being driven by the ASD, this setting is used to set a low-
torque threshold minimum level that must exist for the duration of the parameter
F654 time setting to activate the Under-Torque disposition of the parameter
F651 setting.
Direct Access Number — F652
Parameter Type — Numerical
Factory Default — 0.00
Changeable During Run — Yes
Minimum — 0.00
Maximum — 250.00
Units — %
Under-Torque Detection Level During Regenerative Braking
Program

Protection

Under-Torque Detection
During regeneration, this setting is used to set a low-torque threshold minimum
level that must exist for the duration of the parameter
F654 time setting to
activate the Under-Torque disposition of the parameter F651 setting.
Direct Access Number — F653
Parameter Type — Numerical
Factory Default — 0.00
Changeable During Run — Yes
Minimum — 0.00
Maximum — 250.00
Units — %
Under-Torque Detection Time
Program

Protection

Under-Torque Detection
This parameter sets the time that the low-torque condition must exist to activate
the
Under-Torque disposition of the parameter F651 setting.
Direct Access Number — F654
Parameter Type — Numerical
Factory Default — 0.50
Changeable During Run — Yes
Minimum — 0.00
Maximum — 10.00
Units — Seconds
Under-Torque Detection Hysteres
Program

Protection

Under-Torque Detection
With Alarm selected at parameter F651 , this parameter setting is used to set the
hysteresis threshold of the low-torque condition for which the system must
return to deactivate the
Under-Torque Alarm setting of parameter F651 and to
return to normal system operation.
If Trip is selected at parameter F651 , the same threshold applicables are in
effect with the addition that operator intervention will be required to return the
system to the normal operating condition. Remove the source of the trip
condition and/or perform a system reset.
Direct Access Number — F655
Parameter Type — Numerical
Factory Default — 10.00
Changeable During Run — Yes
Minimum — 0.00
Maximum — 100.00
Units — %
F652 F655
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