Parameter Description
<Setting>
• Once the driving power is interrupted while the motor is still running, voltage output will be
stopped instantly. When the power is recovered and P.57=99999, the inverter will not
restart automatically. When P.57=0.1~30, the motor will coast for a while (the set value
of P.57) before the inverter restarts the motor automatically.
• Once the motor is restarted automatically, the output frequency of the inverter will be the
target frequency, but the output voltage will be zero. Then the voltage will be increased
gradually to the expected voltage value. The period for voltage increase is called “Restart
cushion time (P.58)”.
Instantaneous (power failure) time
Power supply
(R/L1，S/L2，T/L3)
Motor speed N
(r/min)
Inverter output
frequency f (Hz)
Inverter output
voltage E (v)
Restart cushion time
P.58 setting
Coasting time
P.57setting
*
* The output shut off timing differs
according to the load condtion
• There are four digits in P.150, and every digit has a different meaning and relevant position
as following:
P.150 =
0
：
No frequency search
1
：
Immediate frequency search
2
：
Cheapen voltage
0
：
One electrify
1
：
Every starting
2
：
Stop momentary
0
：
No detection of rotation
1
：
The detection of rotation
2
：
P.78=0
，
The direction of rotation
P.78=1
，
2
No direction of rotation
Note: 1. When one needs an instant restart function, P.150 must be set.
2. When P.150 is nonzero, linear acceleration / deceleration curve is the default.
3. The direction detection position of P.150 is only valid for direct frequency search.
4. This function is only valid under the V/F mode; i.e., it is effective when P.300
=0.
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