Chapter 6 Description of Function Codes
Group F01: Start-stop Control Parameters
0: Direct start
1: Rotational speed tracking restart
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 performa-
nce of rotational speed tracking restart, set the motor parameters in group F02 correctly.
2: Pre-excited start (asynchronous motor)
It is valid only for asynchronous motor and used for building the magnetic field before the
motor runs. For pre-excited current and pre-excited time, see parameters of F01.03 and
F01.04.
Function
code
Name
Description
(setting range)
Factory
Default
Change
F01.00
Start mode
0:direct start
1: rotational speed tracking
restart
2: pre-excited start
0
※
To ensure the motor torque at AC drive startup, set a proper startup frequency. In addition, to
build excitation when the motor starts up, the startup frequency must be held for a
certain
period.
The startup frequency (F01.02) is not restricted by the frequency lower limit. If the set target
frequency is lower than the startup frequency, the AC drive will not start and stays in the
standby state.
During switchover between forward rotation and reverse rotation, the startup frequency hold-
ing time is disabled.
Function
code
Name
Description
(setting range)
Factory
Default
Change
F01.01
Startup frequency
0.00Hz
~
10.00Hz
0.00Hz
※
F01.02
Startup frequency
holding time
0.0s
~
100.0s
0.0s
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