Chapter 5 Parameters|VFD-M-D Series
5-32 Revision Jan. 2007, MDE2, SW V1.05
Group 2: Operation Method Parameters
2 - 00 Motor Parameters Auto Tuning Unit: 1
Factory Setting: 00
Settings 00 Disable
01 Auto Tuning R1 (motor doesn’t run)
02 Auto Tuning R1 + No-load Test (with running motor)
Start Auto Tuning by pressing RUN key after this parameter is set to 01 or 02.
When set to 01, it will only auto detect R1 value and Pr.2-02 must be input manually. When set
to 02, the AC motor drive should be unloaded and the values of Pr.2-02 and Pr.2-05 will be set
automatically.
The steps to AUTO-Tuning are:
1. Make sure that all the parameters are set to factory settings and the motor wiring is
correct.
2. Make sure the motor has no-load before executing auto-tuning and the shaft is not
connected to any belt or gear motor.
3. Fill in Pr.1-02, Pr.1-01, Pr.2-01 and Pr.2-06 with correct values.
4. After Pr.2-00 is set to 2, the AC motor drive will execute auto-tuning immediately after
receiving a ”RUN” command. (Note: The motor will run!). The total auto tune time will be
around 15-20 seconds.
5. After executing, please check if there are values filled in Pr.2-02 and Pr.2-05. If not,
please press RUN key after setting Pr.2-00 again.
6. Then you can set Pr.0-18 to 00/01 and set other parameters according to your application
requirement.
When executing auto tuning, the start/stop DC braking function is disabled.
NOTE
It is not recommended to use vector control mode if motor rated power exceeds the rated power of
the AC motor drive.
2 - 01 Motor Rated Current Unit: 0.1
Settings FLA*5% to FLA*120% Factory Setting: 100%* FLA
This parameter must set by the nameplate on the AC motor drive. The factory setting will be
set by the rated current. Therefore, the factory setting is 100%*FLA.
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