Inovance MD380 Series

MD380 User Manual Operation, Display and Application Example
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It is applicable only to inductive asynchronous motor. The AC drive performs pre-
excitation before start, improving quick response of the motor and meeting the
requirements of short acceleration time. The frequency curve in this mode is shown in
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Figure 4-11 Frequency curve of pre-excited startup
F6-07
(Acceleration/
Deceleration mode)
F0-12
(Frequency
upper limit)
F0-17
(Acceleration time)
Frequency (f)
Time (t)
Running
command
F6-00 2 (Pre-excited startup)
F6-04
(Startup frequency
active time)
F6-03
(Startup frequency)
F6-06 (Pre-
excited active
time)
F0-12
(Frequency
upper limit)
F0-17
(Acceleration time)
Frequency (f)
Time (t)
Running
command
Default:
F6-03 0.00 Hz
F6-04 0.0s
F6-07 0
F6-00 2 (Pre-excited startup)
F6-06 (Pre-excited
active time)
4.7.3 Stop Mode
The AC drive supports two stop modes, decelerate to stop and coast to stop, set in F6-10.
Figure 4-12 Diagram of two stop modes (decelerate to stop and coast to stop)
Running
frequency
F0-18
(Deceleration time)
Frequency (f)
Time (t)
Stop command
No
output
F6-11 (DC injection 2
frequency threshold)
F6-12 (DC
injection 2
delay time)
F6-14 (DC
injection 2
active time)
F6-13 (DC injection
2 level, %)
F6-10 0: Decelerate to stop
Running
frequency
Motor speed under load,
coast to stop by inertia
Frequency (f)
Time (t)
Stop command
F6-10 1: Coast to stop
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