Selection Of Automatic Tuning Function; Starting Automatic Tuning; During Automatic Tuning Execution; Normal Completion Of Automatic Tuning - GE VAT2000 Instruction Manual

1) Preparation
Separate the motor and load, machine, etc., and confirm the safety on the load side.
2) Selection of control method
• Set A05-2 to 1. (enables parameter display)
• By parameter (C30-0), select V/f control according the load conditions
V/f control (constant torque) (C30-0 = 1) ( Default value)
V/f control (variable torque) (C30-0 = 2)
3) Initialisation of motor constants
Input the motor rating nameplate value parameters. Automatic tuning will automatically change the
parameters shown in table 3-6-1 or table 3-6-2.
Parameter No.
B00-0
B00-1
B00-2
B00-3
B00-4
B00-5
B00-6
B00-7
* The max. frequency cannot be set below the base frequency, and the base frequency cannot
be set above the max. frequency.

4) Selection of automatic tuning function

• Set A05-0 to 1. (enables parameter display)
• By parameter (B19-0), select the automatic tuning mode according working conditions. Refer to
section 3-6-1 for details.
• The automatic tuning will star when the
• During the automatic tuning state, the LCL LED will blink.
• To abort the automatic tuning, press the

5) Starting automatic tuning

Automatic tuning will start when either the
required rotation direction. A message indicating starting will appear on the operation panel.
To stop, press the
* Keys other than

6) During automatic tuning execution

The progression state can be shown by parameter display D22-0.
Refer to section 3-6-4 for details.

7) Normal completion of automatic tuning

The "LCL" LED will end blinking, lighting stable, and a message indicating the end will be
displayed. Refer to section 3-6-1 for the adjustment details.
8) Abnormal completion of automatic tuning
If the automatic tuning ends abnormally, a error message will appear. Check according to the
error codes. Refer to section 3-6-3 for details.
3. Test Operation and Adjustment
Table 3-6-3
Name
Rated input voltage setting
Max/base frequency simple setting [Hz]
Motor rated output
Rated output voltage
Max. frequency
Base frequency
Motor rated current
Carrier frequency
key or input the emergency stop signal (EMS) from the terminal block.
and are disabled during automatic tuning.
3-8
[V]
[kW]
[V]
[Hz]
[Hz]
[A]
[kHz]
key is pressed.
key.
key or key is pressed according to the