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IMPULSE
®
•G+ Mini Technical Manual
November 2020
Page 48
4.3 Auto-Tuning
The IMPULSE
®
•G+ Mini can perform a calibration process with its automatic tuning function. The VFD prompts for
minimal motor information, and then runs a quick tuning process. Ideally, perform a rotational Auto-Tune with the
motor uncoupled from the load. When the motor cannot be disconnected from the load, perform a stationary or
non-rotating Auto-Tune.
NOTE:
Contact Magnetek Inc. Service Department if an Auto-Tune cannot be performed.
The IMPULSE
®
•G+ Mini can perform both a stationary and rotational Auto-Tune. For optimal Open Loop Vector
performance, a rotational Auto-Tune should be performed.
4.3.1 Using Auto-Tuning
With the keypad, use the UP or DOWN arrow keys to show the auto-tuning menu
. Press the ENTER key
and scroll through the tuning parameters using the UP Arrow key and enter each of the required parameter
settings. Press the RUN key to begin the Auto-Tuning process when the display shows the RUN10 or RUN12
message. During the tuning process, the display will flash the RUN10, RUN12 or RUN13 message. When
complete the VFD will display END, indicating the tuning was successful. Press the ESC key twice to exit. If there
is a fault during the tuning process, the VFD will display an error message.
NOTE:
If the STOP key is pressed during tuning or the auto-tuning is interrupted, the motor will coast to stop and
the VFD display will show ER-03. The data changed during tuning will revert to its original values.
Parameter
Name
Description
Range
Default
T01.01
Tuning Mode Select
00: Standard Auto-Tuning
(Rotational for OLV)
02: Stationary Auto-Tuning for
Line-to-Line resistance
Selects Tuning Method
00, 02
02
T01.02
Motor Rated Power
Sets the motor size in HP/kW
(Note: kW = HP x 0.746)
Model
Dependent
--
T01.03
Motor Rated Voltage
Sets motor rated voltage in VAC
Model
Dependent
--
T01.04
Motor Rated Current
Sets motor rated current in Amps
Model
Dependent
--
T01.05
Motor Rated Frequency
Sets the rated frequency of the motor
0.00–150.00 Hz
60.00
T01.06
Number of Poles
Sets the number of motor poles
02–48
04
T01.07
Motor Rated Speed
Sets the motor rated speed in RPM
0–24000
1750
CAUTION
The brake output is not energized during Auto-Tune. The brake must be manually released before a rotational
Auto-Tune and re-engaged when Auto-Tuning is complete.
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