Instruction Manual
for
AS380 Series Elevator Integrated Drive Controller
154
When F245=2, F246~F255 have the following meanings
F246 Spare
Internal test parameters, do not
modify
F247
PWM modulation
mode
2 0～2 ×
0: 5 segment; 1: 7 segment; 2: <
40% rpm 7 segments, > 40% 5
segments
At low speed, the AIO has too
much interference toward
outside. For example, when CAN
has a poor communication signal,
the change to 0 (5 segments) will
have significant effect, and it will
reduce the heat of the drive, but
may cause too much noise
for inverter at low speed.
F248 Spare
Internal test parameters, do not
modify
F249 Spare
Internal test parameters, do not
modify
F250
Three-phase current
balance coefficient
×
Read-only, the calibration factor
of three-phase current balance
coefficient will automatically
change. The synchronous motor
may trigger the self study
command of the asynchronous
motor to output contactor, and
carry out the calibration of the
three-phase current balance
coefficient. Such function will
reduce the motor vibration and
improve comfort.
F251 Spare
F252
Positive /negtive
rotation enabled
0 0~60000 0.1s
0:allow Positive /negtive rotation
1:only allow positive rotation
F253
Position /negtive
rotation dead-time
20 0~200 %
The zero-speed time of
positive/negative rotation change
F254
Accelerating
overcurrent threshold
of inverter
180 0～200 %
Inverter stop accelerating and
maintain the current speed if
overcurrent occur during the
acceleration process, then
continue to accelerate once the
current drop.
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