Flowchart C: Auto-Tuning For Pm Motors - YASKAWA L1000A Technical Manual

4.4 Start-Up Flowcharts

◆ 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 4.8
Set terminals H1-HC and H2-HC if Safe Disable function is used.
Set the Baseblock input (H1-
Enter the data in to T2-
indicated on the display.
Press the Up key until "Tuning Ready" is
Press the Run key on the digital operator
and wait until Auto-Tuning is finished.
Continue with encoder offset tuning.
Refer to Flowchart D: PG Encoder Offset Auto-Tuning on page 103
・ 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.
Open the motor contactor(s).
Open terminals H1-HC and H2-HC if used during the normal sequence.
Open the Baseblock input (H1-
<1> If an LED operator is used, the display shows "
<2> If an LED operator is used, the display shows "
102
START
=8/9) if used.
No
Is the motor data
sheet available?
Yes
Select Motor Data Input
T2-01 = 0
parameters as
displayed. <1>
(Alarm or Fault code (Alarm or Fault code
Tuning
displayed displayed
Successful?
Yes
("Entry Accepted"
<2>
displayed
Can the motor No
rotate freely?
Yes (Ropes removed)
=8/9) if used.
FINISH
".
Figure 4.10 Auto-Tuning for PM Motors
Select Stationary Auto-Tuning
T2-01 = 1
Enter the data in to T2- parameters as
indicated on the display.
Press the Up key until "Tuning Ready" is
displayed. <1>
Close the motor contactor.
No No
".
YASKAWA ELECTRIC SIEP C710616 38A YASKAWA AC Drive L1000A Technical Manual
YEA_common
Refer to
Auto-Tuning Fault Detection
on page 276
Remove the Fault/Alarm source and
repeat Auto Tuning.