EN-16
Autotuning Procedure with Induction Motors
Fig 6 shows the autotuning procedure for an induction motor with or without encoder in V/f-, Open loop vec-
tor and Closed loop vector control.
Fig 6 Autotuning for Induction Motors
Set:
T1-02 - Motor rated power
T1-03 - Motor rated voltage
T1-04 - Motor rated current
T1-05 - Rated motor frequency
T1-06 - Motor pole number
T1-07 - Motor rated speed
T1-08 - PG pulse number*
(*CLV only)
Press the UP button until
“Tuning Ready” display appears
Enter auto tuning mode and
set parameter T1-01 = 0
START
Set the Base Block Inputs BB and
BB1
V/f Control ?
(A1-02 = 0)
Can the motor
rotate freely ?
No
(A1-02 = 2/3)
Yes
Enter auto tuning mode and
set parameter T1-01 = 2
Set:
T1-02 - Motor rated power
T1-04 - Motor rated current
Press the UP button until
“Tuning Ready” display appears
Set:
T1-02 - Motor rated power
T1-03 - Motor rated voltage
T1-04 - Motor rated current
T1-05 - Rated motor frequency
T1-06 - Motor pole number
T1-07 - Motor rated speed
T1-08 - PG pulse number*
(*CLV only)
Press the UP button until
“Tuning Ready” display appears
Enter auto tuning mode and
set parameter T1-01 = 1
Open the brake
Close the motor contactor(s)
Press the RUN button
No
Yes
(ropes removed?)
Refer to
and eliminate the fault source
Tuning
successful ?
No
(Fault code is
displayed)
Yes
(” Tuning successful”
is displayed)
Open the contactors, open the base
block inputs and close the brake if auto
tuning with rotating motor was performed
FINISH
page 27, Auto-tuning Faults
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