Toshiba Q9 Installation And Operation Manual page 123

F311
Disable Forward Run/Reverse Run
Program  Fundamental 1
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
Random Mode
No Path — Direct Access Only
This parameter adjusts the carrier frequency randomly. This feature is effective in
minimizing the negative effects of mechanical resonance.
Settings:
0 — Disabled
1 — Enabled
Carrier Frequency Control Mode
No Path — Direct Access Only
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 — Disabled – (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
Q9 ASD Installation and Operation Manual
Direct Access Number — F311
Parameter Type — Selection List
Factory Default — Off
Changeable During Run — No
Direct Access Number — F312
Parameter Type — Selection List
Factory Default — Disabled
Changeable During Run — No
Direct Access Number — F316
Parameter Type — Selection List
Factory Default — Valid Decrease and
No Limit
Changeable During Run — Yes
F316
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