Q9 Plus ASD Installation and Operation Manual
177
Low-Current Trip
Program
Protection
Low-Current Settings
This parameter
Enables/Disables
the low-current trip feature.
When enabled, the ASD will trip on a low-current fault if the output current of
the ASD falls below the level defined at
F611
and remains there for the time set
at
F612
.
Settings:
0 — Disabled
1 — Enabled
Direct Access Number — F610
Parameter Type —
Selection List
Factory Default —
Disabled
Changeable During Run —
Yes
Low-Current Detection Current
Program
Protection
Low-Current Settings
With the
Low-Current Trip
(
F610
) parameter enabled, this function sets the
low-current trip threshold.
The threshold value is entered as a percentage of the maximum rating of the
ASD.
Direct Access Number — F611
Parameter Type —
Numerical
Factory Default —
0
Changeable During Run —
Yes
Minimum — 0
Maximum — 100
Units — %
Low-Current Detection Time
Program
Protection
Low-Current Settings
With the
Low-Current Trip
(
F610
) parameter enabled, this function sets the
time that the low-current condition must exist to cause a trip.
Direct Access Number — F612
Parameter Type —
Numerical
Factory Default —
0
Changeable During Run —
Yes
Minimum — 0
Maximum — 255
Units — Seconds
Short Circuit Detection At Start
Program
Protection
Special Protection Parameters
This parameter determines when the system will perform an
Output Short
Circuit
test.
Note:
Selection 3 is recommended for high-speed motor applications.
Because of the low impedance of high-speed motors the
standard-pulse setting may result in a motor malfunction.
Settings:
0 — Every Start (Standard Pulse)
1 — Power On or Reset (Standard Pulse)
2 — Every Start (Short Pulse)
3 — Power On or Reset (Short Pulse)
4 — Every Start (Extremely Short Pulse)
5 — Power On or Reset (Extremely Short Pulse)
Direct Access Number — F613
Parameter Type —
Selection List
Factory Default —
Every Start
(Standard Pulse)
Changeable During Run —
No
F610
F613
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