Flowchart D: Pg Encoder Offset Auto-Tuning - YASKAWA L1000A Technical Manual

◆ Flowchart D: PG Encoder Offset Auto-Tuning

The flowchart below covers Rotational and Stationary Auto-Tuning procedures used to automatically set up the PG
encoder offset. PG encoder Offset Tuning should be performed when the PG encoder offset (T2-17) is unknown, when a
PG encoder offset value has been set but problems with the speed feedback occur, or when the PG encoder is replaced.
Have all motor and
PG encoder data
been set correctly?
Set terminals H1-HC and H2-HC if Safe Disable function is used
Set the Baseblock input (H1-
Close the motor contactor(s)
Select Initial Magnet Pole Search Parameter Auto-Tuning T2-01 = 3
Press the Up key until "Tuning Ready" is displayed.
Press the Run key on the digital operator and wait until
Auto-Tuning is finished.
Tuning
Successful?
Yes
(Stationary PG Encoder Offset
Auto-Tuning possible)
Select Stationary Encoder Offset Auto-Tuning
T2-01 = 4
Press the Up key until "Tuning Ready" is
displayed.
Press the Run key on the digital operator
and wait until Auto-Tuning is finished.
Tuning
Successful?
Yes
Open the motor contactor(s).
Open the Baseblock input (H1-
Open terminals H1-HC and H2-HC if used during the normal sequence.
Remount the ropes if removed during tuning.
FINISH
<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
No
Yes
=8/9) if used
<1>
No - "Er-22"
Rotational PG Encoder Offset Auto-Tuning necessary
<1>
Refer to
No
Auto-Tuning Fault Detection
on page 276
Remove the Fault/Alarm source
and repeat Auto Tuning.
=8/9) if used.
".
".
Figure 4.11 PG Encoder Offset Auto-Tuning
Set the motor and PG encoder data manually or
perform motor data Auto-tuning.
<2>
Absolute PG
encoder used?
Yes
(EnDat, ...)
Uncouple motor and the mechanical system
of the elevator (remove ropes)
Select Rotational PG Encoder Offset
Auto-Tuning T2-01 = 10
Press the Up key until "Tuning Ready" is
displayed.
Release the brake.
Press the Run key on the digital operator
and wait until Auto-Tuning is finished
Apply the brake.
Successful?
Yes
4.4 Start-Up Flowcharts
YEA_comm
on
Absolute PG encoder
necessary for driving the motor.
Change the PG option card and
use an absolute PG Encoder
(EnDat, ...).
No
(PG-X3, Incremental
PG encoder used)
<1>
Refer to
No
Auto-Tuning Fault Detection
Tuning
on page 276
Remove the Fault/Alarm source
and repeat Auto Tuning.
4
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