Setting ” 2 ” (S-pattern acceleration/deceleration ” B ” >
Time
Acceleration/deceleration pattern is S-shaped within the
frequency range between ” f 1 ” and ” f 2 ” (basically same
time as that of linear acceleration/deceleration) in this
frequency range) .
Smooth acceleration and deceleration can be assured.
MOTOR TORQUE ADJUSTING (TORQUE BOOST)
Torque boost (manual)
q
Motor torque in the low-frequency range can be adjusted to motor load.
,&&- ---- ----
t
2
z
I
‘;
I
P
‘;
0
94.
Setting ,
I
range ’
Initial setting:
For models smaller
For models larger
than
7.5K . . . . . 6 %
than 11K . . . . . 3 %
Output frequency (Hz)
Basic frequency
Torque boost (automatic) Ia lxl
Load current is measured and inverter output voltage (motor torque) is
automatically adjusted to match load current.
‘Base frequency
Output frequency (Hz)
Notes: 1.
Function No. 0 and No. 40 can be used at the same time.
2. If setting is excessively large, overcurrent trip may occur. It is
recommended to set while observing motor current (use MObJITOR
function) .
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