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4.7 Auto-Tuning
YASKAWA ELECTRIC
SIEP C710636 02B YASKAWA U1000 Technical Manual
155
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lists the data that must be entered for Auto-Tuning. Make sure this data is available before starting
Auto-Tuning.
The information needed is usually listed on the motor nameplate or in the motor test report provided by the motor
manufacturer. Also refer to
Subchart A-1: Simple Motor Setup Using V/f Control on page 144
and
Performance Operation Using OLV or CLV on page 145
for details on Auto-Tuning process and selections.
Table 4.22 Auto-Tuning Input Data
■
Auto-Tuning for Permanent Magnet Motors
Automatically sets the V/f pattern and motor parameters E1-
and E5-
when a PM motor is used. In Closed Loop
Vector Control, the Auto-Tuning process will also set some F1-
parameters for speed feedback detection.
Table 4.23 Types of Auto-Tuning for Permanent Magnet Motors
Input Value
<1> Input data is needed for CLV/PM only.
Input
Parameter
Unit
Tuning Type (T1-01)
0
Standard
2
Line-to-Line
Resistance
3
Rotational for
V/f Control
4
Stationary 2
5
Stationary 3
Control Mode
A1-02
–
2, 3
0, 1, 2, 3
0, 1
2, 3
2, 3
Motor Rated Power
T1-02
kW
YES
YES
YES
YES
YES
Motor Rated Voltage
T1-03
Vac
YES
N/A
YES
YES
YES
Motor Rated Current
T1-04
A
YES
YES
YES
YES
YES
Motor Rated Frequency
T1-05
Hz
YES
N/A
YES
YES
YES
Number of Motor Poles
T1-06
–
YES
N/A
YES
YES
YES
Motor Rated Speed
T1-07
min
-1
YES
N/A
YES
YES
YES
PG Number of Pulses Per
Revolution
T1-08
–
YES
N/A
N/A
YES
Motor No-load Current
T1-09
A
N/A
N/A
N/A
YES
YES
Motor Rated Slip
T1-10
Hz
N/A
N/A
N/A
YES
YES
Motor Iron Loss
T1-11
W
N/A
N/A
YES
N/A
YES
Type
Setting
Application Conditions and Benefits
Control Mode
OLV/PM
AOLV/PM
CLV/PM
PM Motor Parameter Settings
T2-01 = 0
• Motor does not rotate during Auto-Tuning
• Motor data like listed in
are available from test report or motor
nameplate.
YES
YES
YES
PM Stationary Auto-Tuning
T2-01 = 1
• A motor test report listing motor data is not available. Drive
automatically calculates and sets motor parameters.
YES
YES
YES
PM Stationary Auto-Tuning for
Stator Resistance
T2-01 = 2
• Useful to tune the drive when the motor data were set up manually or by
motor code and the cable is longer than 50 m. Should also be performed if
the cable has changed after earlier tuning.
YES
YES
YES
Z Pulse Offset Tuning
T2-01 = 3
• PG encoder has been replaced. Calculates the Z pulse offset.
• Requires the motor to rotate with no or very low load.
N/A
N/A
YES
Back EMF Constant Tuning
T2-01 = 11
• Use if a motor test is not available.
• Tunes the motor induction voltage only.
• Should be performed after motor data are set and the encoder offset is
adjusted.
• The motor must be uncoupled from the mechanical system (remove
loads).
N/A
N/A
YES
High Frequency Injection
Parameter Tuning
T2-01 = 13
• The motor rotated in reverse or STo fault (Motor Step-Out) occurred at
startup in OLV/PM
• Low speed, and insufficient or no torque after activating the high
frequency injection control (n8-57 = 1) in AOLV/PM.
• Faults, such as the motor rotating in reverse, occurred when the power
was turned on during initial startup in CLV/PM.
N/A
YES
YES
PM Rotational Auto-Tuning
T2-01 = 14
• A motor test report listing motor data is not available.
• Motor can be decoupled from the load and rotate freely while
Auto-Tuning is performed. Drive automatically calculates and sets motor
parameters.
• PM Rotational Auto-Tuning gives more accurate results than Stationary
Auto-Tuning.
YES
YES
YES
SIEP_C710636_02B_1_0.book 155 ページ 2015年11月25日 水曜日 午後4時56分