![Alpha ALPHA6000 Series Manual Download Page 117](http://html1.mh-extra.com/html/alpha/alpha6000-series/alpha6000-series_manual_2905270117.webp)
Chapter 5 Parameter Introductions
http://www.acdrive-china.com
117
Brake First and then start
Output Freq.(Hz)
DC injec tion br aking time
Braking
energy
Time
Time
Braking voltage
Running command
St op command
Fig. 5-1-1 Brake First and then start
◆
Speed tracking restart: Search and catch the motor’s running direction and speed, and
then start at the caught speed , running to the reference frequency within the Acc/Dec
time, realize smooth start of motor, as shown in Fig. 5-1-2. This mode is suitable for
the motor with big inertial load.
Power
off
Operation Freq.
Motor speed
Detect motor's speed and direction
Output voltage
Time
Time
Time
Fig. 5-1-2 Speed tracking restart diagram