Flowchart B: Auto-Tuning For Induction Motors - YASKAWA L1000A Technical Manual

◆ Flowchart B: Auto-Tuning for Induction Motors

The flowchart below covers Auto-Tuning for induction motors operating with V/f Control, Open Loop Vector Control, or
Closed Loop Vector Control.
Set terminals H1 and H2 if the Safe Disable function is used
Refer to
Auto-Tuning Fault Detection
on page 276
Remove the source of Fault/Alarm
and repeat Auto Tuning.
No
(Alarm or Fault code
displayed
Apply the brake if it was released during Auto-tuning.
Open terminals H1-HC and H2-HC if used during the normal sequence.
<1> If an LED operator is used, the display shows "
<2> If an LED operator is used, the display shows "
YASKAWA ELECTRIC SIEP C710616 38A YASKAWA AC Drive L1000A Technical Manual
START
Set the Baseblock input (H1- =8/9) if used.
A1-02=2 or 3
Is the Control Mode
V/f Control ?
Yes
A1-02=0
Select Stationary Auto-Tuning
for Terminal Resistance only,
T1-01 = 2.
Enter the data in to T1-
Press the Up key until "Tuning Ready" is displayed.
Close the motor contactor(s).
Press the Run key on the digital operator
and wait until Auto-Tuning is finished.
Tuning
Successful?
Yes
("Entry Accepted"
displayed)
Open the motor contactor(s).
Open the Baseblock input (H1- =8/9) if used.
FINISH
".
".
Figure 4.9 Auto-Tuning for Induction Motors
No
Can the motor
rotate freely?
No
Select Stationary
Auto-Tuning 1 or 2
T1-01 = 1 or 4.
parameters as indicated on the
display.
<1>
<2>
4.4 Start-Up Flowcharts
YEA_common
Yes
(Ropes removed)
Select Rotational
Auto-Tuning
T1-01 = 0
Enter the data in to T1- parameters as
indicated on the display.
Press the Up key until "Tuning Ready" is
displayed.
<1>
Release the Brake.
4
101