Direct Access Parameter Information
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189
Over-Voltage Limit Operation Level
Program
Protection
Stall
This parameter sets the upper limit of the DC bus voltage thresh
-
old that, once exceeded, will cause an Over-Voltage Stall.
While running or during deceleration, the Over-Voltage Stall func
-
tion increases the output frequency of the ASD for a specified
time in an attempt to prevent an Over-Voltage Trip.
If the Over-Voltage Stall persists for over 4 mS, an Over-Voltage
Trip will be incurred.
Note: This parameter setting may increase deceleration times.
Direct Access Number —
F626
Parameter Type —
Numerical
Factory Default —
(ASD-Depen
-
dent)
Changeable During Run —
No
Minimum — 100
Maximum — 150
Units — %
Under-Voltage Trip
Program
Protection
Under-Voltage/Ridethrough
This parameter Enables/Disables the Under-Voltage Trip function.
With this parameter Enabled, the ASD will trip if the under-volt
-
age condition persists for a time greater than the
setting.
A user-selected contact may be actuated if so configured.
If Disabled, the ASD will stop and not trip; the FL contact is not
activated.
Settings:
0 — Disabled
1 — Enabled
Direct Access Number —
F627
Parameter Type —
Selection List
Factory Default —
Disabled
Changeable During Run —
No
Under-Voltage (Trip Alarm) Detection Time
Program
Protection
Under-Voltage/Ridethrough
This parameter sets the time that the under-voltage condition
must exist to cause an Under-Voltage Trip.
Direct Access Number —
F628
Parameter Type —
Numerical
Factory Default —
0.03
Changeable During Run —
No
Minimum — 0.01
Maximum — 10.00
Units — Seconds
Содержание DN-68249-003
Страница 1: ...ADJUSTABLE SPEED DRIVES Q9 DN 68249 003 INSTALLATION OPERATION MANUAL April 2020 ...
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Страница 3: ...Document Number 68249 003 April 2020 Q9 Plus ASD Installation Operation Manual ...
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Страница 12: ...Table of Contents Q9 Plus ASD Install Op Manual iv https www toshiba com tic ...
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