Chapter 2 Description of Functions
59
2.3.1.5. Auto Tuning
This function automatically measures the motor constants and saves them to the inverter as
parameters of Motor 1 to Motor 3. Function code H01: Function to perform motor auto tuning
using the tuning operation selection and display the tuning results.
・ Be sure to refer to the inverter user’s manual (FRN-VG1) "[ 4.3.5 ]
H01:tuning operation selection" before executing motor parameter auto
tuning.
Select Tuning Operation
Select which motor constant is
to be tuned.
Current Process
Display the tuning
progression status.
Tuning Results
Read the values before and
after tuning and display them.
Motor Constant
Read the motor constant
set in the target inverter
and display it.
Auto Tuning
Start the tuning
operation.
All Save
Save the tuning results
to the inverter EPROM.
Select Inverter
Select the tuning
target inverter.
Target Motor
Display Motor 1 (M1), Motor 2 (M2) and Motor 3 (M3).
Select tuning operation
1: ASR (speed control) tuning (disabled during v/f control) (to be supported soon)
2: Motor constant tuning (for VG standard motors)
Motor stop status : R1, Lσ
3: Motor constant tuning (for non-standard motors) (disabled during v/f control)
Motor stop status : %R1, %X, exciting current, rated skidding, magnetic saturation coefficient,
inductive voltage, secondary constant
4: Motor constant tuning (for non-standard motors) (disabled during v/f control)
Motor stop status : %R1, %X
Motor rotation status : Exciting current, rated skidding, magnetic status coefficient, inductive
voltage, secondary constant
When H01 = 1 or 4, the motor rotates during tuning. Make sure that there is no danger in rotating the
motor. Injuries could occur.
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