abc 2000 Series User Manual page 40

Group P1 :Start/Stop Control
Start
Set ti n g Range
P1.00
O: direct start
If the DC braking lime is set to 0, the AC drive starts to run at lhe
startup frequency.If the DC braking time is not 0, the AC drive
performs DC braking first and then starts to run at the startup
frequency. It is applicable to small-inertia load application where the
motor is likely
1 : Rotational speed tracking raslart
The AC drive judges the rotational speed and direction of the motor
first and then starts at the tracked frequency. Such smooth start
has no impact on the rotating motor. It is applicable to the restart
upon instantaneous power failure of large-Inertia load. To ensure
the performance of rotational speed tracking restart, set the motor
parameters in group P2 correctly.
2: Pre-excited start (asynchronous motor)
It is valid only for a.synchronous motor and used for building the
magnetic field before the motor runs. For pre-excited current and
pre-excited time, see parameters of P1 .05 and P1
excited time is 0, the AC drive cancels pre-excitation and starts to
run at startup frequency.If the pre-excited time is not 0, the AC drive
pre-excites first before sta.rtting, improving the dynamic response of
the motor.
Rot a t l o nal speed Defaul t
t r acki n g mode
Set ti n g Ra
P1.01
To complete the rotational speed tracking process within the
shortest time, select the proper mode in which the AC drive tracks
the motor rotational speed.
O: From frequency at stop to track down.
It is the commonly selected mode.
1 : From zero frequency to track down.
It is applicable to restart after a long time of power failure.
2: From the maximum frequency to track down.
mode
0 di r ect st a rt
1
lo
rotate at startup.
0
ge
n
1
Detailed Function
Defaul t 1 0
Rotati o nal speed t r a cking r e start
start (asynchronous motor)
Pr&-aXCtted
Start fr o m st o p fr e quency
Fr o m speed
zero
From maximum fr e quency
06 If the pre­
. .