Basic Programming 5 - 26
Auto-Tuning
T1-02 Motor Rated Power
T1-04 Motor Rated Current
The Drive requires Line-To-Line Resistance auto-tuning before it can properly perform the Estimated Speed Search method.
This type of motor auto-tuning allows for bi-directional speed search. The T1 parameters are found under the Auto-Tuning
menu.
1. In T1-02, enter the rated power in kilowatts (kW) of the motor attached to the Drive. If the motor nameplate lists the rated
power in terms of horsepower (HP), use the following formula to convert to kW before setting the value of T1-02:
kW = HP x 0.746
2. In T1-04, enter the Full Load Amps (FLA) as stamped on the motor’s nameplate.
3. Press the INCREASE key once to display:
4. If ready, press the HAND key once to start auto-tuning. This process will last approximately 15 seconds. When auto-tuning
is finished, the digital operator will display:
5.To exit the Auto-Tuning menu, press the MENU key once.
NOTE: It is possible to get a “Data Invalid” error if either T1-02 or T1-04 fall outside the reasonable levels for the
programmed size of the Drive (o2-o4).
-ATUNE- Rd
Auto-Tuning
0Hz/ 0.00A
Tuning Ready ?
Press RUN key
HAND key
-ATUNE-
Tune Successful
0Hz/ 0.00A
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