Q9 Plus ASD Installation and Operation Manual
139
Forward Run/Reverse Run Disable
Program
Frequency
Forward/Reverse Disable
This parameter
Enables/Disables
the
Forward Run
or
Reverse Run
mode.
If either direction is disabled, commands received for the disabled direction will
not be recognized.
If both directions are disabled, the received direction command will determine
the direction of the motor rotation.
Settings:
0 — Permit All
1 — Disable Reverse Run
2 — Disable Forward Run
Direct Access Number — F311
Parameter Type —
Selection List
Factory Default —
Permit All
Changeable During Run —
No
Random Mode
Program
Protection
Retry/Restart
This parameter adjusts the carrier frequency randomly. This feature is effective
in minimizing the negative effects of mechanical resonance.
Settings:
0 — Disabled
1 — Enabled
Direct Access Number — F312
Parameter Type —
Selection List
Factory Default —
Disabled
Changeable During Run —
No
Carrier Frequency Control Mode
Program
Special
Carrier Frequency
This parameter provides for the automatic decrease of the carrier frequency.
Select
1
to decrease the
Carrier Frequency
setting as a function of an
increased current requirement.
Selection
2
or
3
may also include an output voltage drop as a function of an
increased current requirement. The
Carrier Frequency
should be set below
4 kHz.
Settings:
0 — No Decrease and No Limit
1 — Valid Decrease and No Limit
2 — No Decrease and Limit Small Pulse
3 — Valid Decrease and Limit Small Pulse
4 — Dancer Control
5 — Option V/I
Direct Access Number — F316
Parameter Type —
Selection List
Factory Default —
(ASD-Dependent)
Changeable During Run —
No
Regenerative Over-Excitation Upper Limit
Program
Protection
Stall
This parameter is enabled by setting
F305
to
2
or
3
and establishes the
maximum threshold energy level that may be fed back from the motor during
regeneration. If this setting is exceeded, an
Over-Voltage Trip
will be incurred.
Note:
This parameter setting may increase deceleration times.
Direct Access Number — F319
Parameter Type —
Numerical
Factory Default —
140
Changeable During Run —
No
Minimum — 100
Maximum — 160
Units — %
F311
F319
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