4.7 Auto-Tuning
u
Types of Auto-Tuning
The drive offers different types of Auto-Tuning for induction motors. Refer to the tables below to select the type of Auto-
Tuning that bests suits the application. Refer to Start-Up Flowchart on page 88 for directions on executing Auto-Tuning.
n
Auto-Tuning for Induction Motors
This feature automatically sets the V/f pattern and motor parameters E1-oo and E2-oo for an induction motor.
Table 4.29 Types of Auto-Tuning for Induction Motors
Type Setting Application Conditions and Benefits
Stationary Auto-Tuning for Line-to-
Line Resistance
T1-01 = 2
• The drive is used in V/f Control and other Auto-Tuning selections are not possible.
• Perform when entering motor data manually while using motor cables longer than 50
m.
• Drive and motor capacities differ.
• Tunes the drive after the cable between the drive and motor has been replaced with a
cable over 50 m long. Assumes Auto-Tuning has already been performed.
Rotational Auto-Tuning for V/f
Control
T1-01 = 3
• Recommended for applications using Speed Estimation Speed Search or using the
Energy Saving function in V/f Control.
• Assumes motor can rotate while Auto-Tuning is executed. Increases accuracy for
certain functions like torque compensation, slip compensation, Energy Saving, and
Speed Search.
Table 4.30 lists the data that must be entered for Auto-Tuning. Make sure this data is available before starting Auto-Tuning.
The necessary information is usually listed on the motor nameplate or in the motor test report provided by the motor
manufacturer. Refer to Start-Up Flowchart on page 88 for details on the Auto-Tuning process.
Table 4.30 Auto-Tuning Input Data
Input Value Input Parameter Unit
Tuning Type (T1-01)
2
Line-to-Line Resistance
3
Rotational for V/f Control
Motor rated power T1-02 kW YES YES
Motor rated voltage T1-03 Vac – YES
Motor rated current T1-04 A YES YES
Motor rated frequency T1-05 Hz – YES
Number of motor poles T1-06 - – YES
Motor rated Speed T1-07 r/min – YES
Motor iron loss T1-11 W – YES
u
Auto-Tuning Interruption and Fault Codes
If tuning results are abnormal or the STOP key is pressed before completion, Auto-Tuning will be interrupted and a fault code
will appear on the digital operator.
LO
RE
ESC
RUN STOP
ENTERRESET
DIGITAL OPERATOR JVOP-180
LO
RE
ESC
RUN STOP
ENTERRESET
DIGITAL OPER ATOR JVOP-180
ALM
ALM
- A.TUNE -
X.XX Hz/ X.XXA
DRV
Tune Proceeding
Rdy
FWD
<<<<<< >>> >>>
- MODE -
Er-03
STOP key
DRV
FWD
RESET
A – During Auto-Tuning B – Auto-Tuning Aborted
Figure 4.30 Auto-Tuning Aborted Display
4.7 Auto-Tuning
118
YASKAWA ELECTRIC TOEP YAIP1U 01B YASKAWA AC Drive - P1000 Quick Start Guide
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