38
Note 1)
Both the maximum output frequency and base frequency are set to 50Hz as the
factory setting data.
Note 2)
Take note of the upper frequency clamp (parameter P54) when changing the
maximum output frequency setting.
V/F CURVE (Parameter P04)
Used to select either the constant or square
torque mode.
Data sett-
ing value
Name Remarks
0
Constant
torque mode
For machine
applications
1
Square
torque mode
For fan and pump
applications
TORQUE BOOST LEVEL (Parameter P05)
Used to select a torque boost level that best fits the load characteristics.
Data setting
range
0 to 40
(A larger value causes a higher output voltage and stronger boost.)
[Constant torque mode]
[Square torque mode]
[Constant [Square
torque mode] torque mode]
0
100
0
100
Out
put
vol
tage (%
)
Boost
level
Out
put
vol
tage (%
)
Output
frequency
(Hz)
Base
frequency
Boost
level
Output
frequency
(Hz)
Base
frequency
0
100
Out
put
vol
tage (%
)
Output
frequency
(Hz)
Base
frequency
(Hz)
0
100
Output
frequency
(Hz)
Base
frequency
(Hz)
Out
put
vol
tage (%
)
