Q9 Plus ASD Installation and Operation Manual
179
Cooling Fan Control
Program
Protection
Special Protection Parameters
This parameter sets the cooling fan run-time command.
Settings:
0 — Automatic
1 — Always On
Direct Access Number — F620
Parameter Type —
Selection List
Factory Default —
Automatic
Changeable During Run —
Yes
Cumulative Operation Time Alarm Setting
Program
Protection
Special Protection Parameters
This parameter sets a run-time value that, once exceeded, closes a discrete
output contact. The output signal may be used to control external equipment or
used to engage a brake.
Associate the
Total-Operation-Hours Alarm
setting of
Table 13 on pg. 239
to
a discrete output contactor.
Note:
The time displayed is 1/10th of the actual time (0.1 hr. = 1.0 hr.).
Direct Access Number — F621
Parameter Type —
Numerical
Factory Default —
610.0
Changeable During Run —
Yes
Minimum — 0.0
Maximum — 999.9
Units — Hours (X 10)
Abnormal Speed Detection Time
Program
Protection
Abnormal Speed Settings
This parameter sets the time that an over-speed condition must exist to cause a
trip.
This parameter functions in conjunction with the settings of
F623
and
F624
.
Direct Access Number — F622
Parameter Type —
Numerical
Factory Default —
0.01
Changeable During Run —
Yes
Minimum — 0.01
Maximum — 100.00
Units — Seconds
Over-Speed Detection Frequency Upper Band
Program
Protection
Abnormal Speed Settings
This parameter sets the upper level of the
Base Frequency
range that, once
exceeded, will cause an
Over-Speed Detected
alert.
This parameter functions in conjunction with the settings of
F622
and
F624
.
Direct Access Number — F623
Parameter Type —
Numerical
Factory Default —
0.00 (Disabled)
Changeable During Run —
Yes
Minimum — 0.00 (Disabled)
Maximum — (ASD-Dependent)
Units — Hz
Over-Speed Detection Frequency Lower Band
Program
Protection
Abnormal Speed Settings
This parameter sets the lower level of the
Base Frequency
range that, once the
output speed falls below this setting, will cause a
Speed Drop Detected
alert.
This parameter functions in conjunction with the settings of
F622
and
F623
.
Direct Access Number — F624
Parameter Type —
Numerical
Factory Default —
0.00 (Disabled)
Changeable During Run —
Yes
Minimum — 0.00 (Disabled)
Maximum — (ASD-Dependent)
Units — Hz
Under-Voltage Detection Level
Program
Protection
Under-Voltage/Ridethrough
This parameter sets the voltage threshold level that is used as a setpoint for
under-voltage tripping.
This function is enabled at
F627
.
Direct Access Number — F625
Parameter Type —
Numerical
Factory Default —
60
Changeable During Run —
No
Minimum — (ASD-Dependent)
Maximum — (ASD-Dependent)
Units — %
F620
F625
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