Table of Contents
Advertisement
Regenerative Power Ridethrough Control Level
Program Protection Under-Voltage/Ridethrough
This parameter is activated during regeneration. It is used to set
the low end of the DC bus voltage threshold that, once the bus
voltage drops below this setting, activates the setting of
(Ridethrough Mode).
Activation may be the result of a momentary power loss or an
excessive load on the bus voltage.
During a Ridethrough, regenerative energy is used to maintain
the control circuitry settings for the duration of the Ridethrough; it
is not used to drive the motor.
The motor(s) of the system are stopped and then restarted auto-
matically or may continue seamlessly if so configured.
See
F302
for additional information on this parameter.
Note: This parameter setting may increase deceleration times.
ASD Overload
Program Protection Overload
This parameter is used to protect the ASD from an over-current
condition. The standard overload rating of the Q9 Plus ASD is
120% operation for 60 seconds.
This setting allows for the overload protection to be switched from
the standard overload detection means (Thermal Detection and
Overload) to thermal detection only.
Settings:
0 — Temperature (Thermal Detection) + Overload
1 — Temperature (Thermal Detection) Only
The Thermal Detection Only selection is used when multiple
devices are installed horizontally as described on
V/I Analog Input Broken Wire Detection Level
Program Terminal Input Special Functions
This parameter is enabled by providing a non-zero value here.
This function monitors the V/I input signal and if the V/I input sig-
nal falls below the level specified here and remains there for a
period in excess of 0.3 seconds a trip will be incurred (E-18).
This value is entered as 0% to 100% of the V/I input signal range.
190
–
F629
Direct Access Parameter Information
Q9 Plus ASD Install/Op Manual
pg.
F634
Direct Access Number —
Parameter Type — Numerical
Factory Default — (ASD-Depen-
dent)
Changeable During Run — No
F302
Minimum — (ASD-Dependent)
Maximum — 100
Units — %
Direct Access Number —
Parameter Type — Selection List
Factory Default — Thermal
Detection + Overload
Changeable During Run — No
10.
Direct Access Number —
Parameter Type — Numerical
Factory Default — 0 (Disabled)
Changeable During Run — Yes
Minimum — 0
Maximum — 100
Units — %
https://www.toshiba.com/tic/
F629
F631
F633
Advertisement
Table of Contents
