YASKAWA L1000A - Flowchart C: Auto-Tuning for PM Motors

4.4 Start-Up Flowcharts
110 YASKAWA ELECTRIC SIEP C710616 38F YASKAWA AC Drive - L1000A Technical Manual
◆ Flowchart C: Auto-Tuning for PM Motors
The flowchart below covers Auto-Tuning for permanent magnetic (PM) motors operating with Closed Loop Vector
Control for PM motors.
Figure 4.10 Auto-Tuning for PM Motors
<1> If an LED operator is used, the display shows “ ”.
<2> If an LED operator is used, the display shows “ ”.
Can the motor
rotate freely?
START
Set terminals H1-HC and H2-HC if Safe Disable function is used.
Is the motor data
sheet available?
FINISH
No
Yes
Select Stationary Auto-Tuning
T2-01 = 1.
Continue with encoder offset tuning.
Press the Run key on the digital operator
and wait until Auto-Tuning is finished.
Set the Baseblock input (H1- = 8/9) if used.
Tuning
Successful?
Refer to
Remove the Fault/Alarm source and
repeat Auto Tuning.
Open terminals H1-HC and H2-HC if used during the normal sequence.
Open the motor contactor.
Open the Baseblock input (H1- = 8/9) if used.
No
(Alarm or Fault code
displayed
Yes
(“Entry Accepted”
displayed <2>
Enter the data in to T2- parameters as
indicated on the display.
Select Motor Data Input
T2-01 = 0.
Enter the data in to T2- parameters as
indicated on the display.
Press the Up key until “Tuning Ready” is
displayed.
<1>
Press the Up key until “Tuning Ready” is
displayed.
<1>
Close the motor contactor.
No
(Alarm or Fault code
displayed
・Select Rotational Back EMF Constant Auto-Tuning T2-01=11.
・Press the Up key.
Press the Run key on the digital operator
and wait until Auto-Tuning is finished.
Yes
(Ropes removed)
No
Refer to Flowchart D: PG Encoder Offset Auto-Tuning on page 111.
Auto-Tuning Fault Detection
on page 307.
YEA_common
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