Toshiba Q9 Series, Installation And Operation Manual, Page: 125 / 233

Q9 ASD Installation and Operation Manual 115
Drooping Output Filter
No Path — Direct Access Only
This parameter is used to set the rate of output change allowed when operating in
the Drooping Control mode.
Jerky operation may be reduced by increasing this setting.
Direct Access Number — F324
Parameter Type — Numerical
Factory Default — 100.0
Changeable During Run — Yes
Minimum — 0.1
Maximum — 200.0
Units — Radians/Second
Power Switching
Program

Special Controls
This parameter Enables/Disables the Commercial Power-to-ASD Output
Switching function.
When enabled, the system may be set up to discontinue using the output of the
drive and to switch to the commercial power in the event that 1) a trip is incurred,
2) a user-set frequency is reached, or 3) if initiated by a discrete input terminal.
Once set up with the proper switching frequency and hold times, the system will
switch to commercial power upon reaching the
F355 frequency criterion.
Switching may also be accomplished manually by activating the discrete input
terminal Line Bypass. Terminal activation forces the ASD output speed to
accelerate to the
F355 switching frequency, resulting in the ASD-to-commercial
power switching.
Deactivation of the discrete input terminal starts the hold-time counter setting
(
F356 ) for ASD-to-commercial power switching. Once timed out the motor
resumes normal commercial power operation.
Settings:
0 — Off
1 — Switch at Signal Input and Trip
3 — Switch at Signal Input with Switching Frequency
4 — Switch at Signal Input and Trip with Switching Frequency
Switching Setup Requirements
F354 — Enable the switching function.
F355 — Set the switching frequency.
F356 — (Speed) Hold-time before applying ASD output after the switching
criteria has been met.
F357 — (Speed) Hold-time before applying commercial power after the
switching criteria has been met.
F358 — (Speed) Hold-time of applying commercial power after the switching
criteria have been met.
Set a discrete input terminal to Commercial Power ASD Switching.
Set OUT1 and OUT2 to Commercial Power/ASD Switching 1 and 2,
respectively.
Note: Ensure that the ASD/Commercial Power switching directions are
the same and that
F311 is set to Permit All.
Note: The OUT1 and OUT2 outputs assigned to Commercial Power/
ASD Switching Output are used to actuate the re-routing
contactors.
Direct Access Number — F354
Parameter Type — Selection List
Factory Default — Off
Changeable During Run — No
F324 F354