178 ACE-tronics G9 ASD Installation and Operation Manual
Low-Current Detection Hysteresis Width
Program Protection Low Current
During a momentary low-current condition, this parameter provides a current
threshold level to which the low-current condition must return within the time
setting of
F612 or a Low-Current Trip will be incurred.
Direct Access Number — F609
Parameter Type — Numerical
Factory Default — 10
Changeable During Run — Yes
Minimum — 1
Maximum — 20
Units — %
Low-Current Trip
Program Protection Low Current
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:
Disabled
Enabled
Direct Access Number — F610
Parameter Type — Selection List
Factory Default — Disabled
Changeable During Run — No
Low-Current Detection Current
Program Protection Low Current
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 — % (or A; see F701 setting)
Low-Current Detection Time
Program Protection Low Current
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:
Every Start (Standard Pulse)
Power On or Reset (Standard Pulse)
Every Start (Short Pulse)
Power On or Reset (Short Pulse)
Direct Access Number — F613
Parameter Type — Selection List
Factory Default — Every Start (standard
pulse)
Changeable During Run — No
F609 F613
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