14 Drive Control, Duty Modes, and Programming
108
YASKAWA
TOEPC7106170YB YASKAWA AC Drive GA500 Installation & Primary Operation
Table 14.2 Auto-Tuning Mode Selection
Method
Parameter
Settings
Application Conditions and Benefits
Applicable
Control
Method
(A1-02 Setting)
V/f
(0)
OLV
(2)
Rotational Auto-Tuning
T1-01 = 0
•
When you can decouple the motor and
load the motor can rotate freely while
Auto-Tuning.
•
When operating motors that have fixed
output characteristics.
•
When it is necessary to use motors that
have high-precision control.
•
When you cannot decouple the motor
and load, but the motor load is less than
30%.
x
x
Stationary Auto-Tuning 1
T1-01 = 1
•
When you cannot decouple the motor
and load.
•
When the motor load is more than 30%.
•
When the information from the motor
test report or motor nameplate is not
available.
With Stationary Auto-Tuning, the
energized drive stays stopped for
approximately 1 minute. During this
time, the drive automatically measures
the necessary motor parameters.
•
When you operate the motor with less
than 30% load after Auto-Tuning.
Set
T1-12 = 1 [Test Mode Selection =
Yes]
to do a test run after Auto-Tuning.
-
x
Stationary Line-Line
Resistance
T1-01 = 2
•
After Auto-Tuning, the wiring distance
between the drive and motor changed by
50 m or more.
•
When the wiring distance is 50 m or
more in the V/f Control mode.
•
When the motor output and drive
capacity are different.
x
x
■
Input Data for Induction Motor Auto-Tuning
To do Auto-Tuning, input data for the items in
that have an "x". Before you
start Auto-Tuning, prepare the motor test report or record the information from the motor
nameplate as a reference.