3.8 Auto-Tuning
196 YASKAWA ELECTRIC SIEP C710617 05F YASKAWA AC Drive GA700 Technical Manual
Input Data Parameters Unit
Auto-Tuning Method
(T2-01 Value)
Z Pulse Offset
Tuning
(3)
PM Rotational Auto-Tuning
(4)
Control method A1-02 - 7 5 6 7
PM Motor Code
Selection
T2-02 - - - - -
Number of PM Motor
Poles
T2-08 - - x x x
PM Motor Base Speed T2-09 min
-1
- - x x
PM Motor Stator
Resistance
T2-10 Ω - - - -
PM Motor d-Axis
Inductance
T2-11 mH - - - -
PM Motor q-Axis
Inductance
T2-12 mH - - - -
InducedVoltage Const
Unit Select
T2-13 - - - - -
PM Motor Induced
Voltage Const
T2-14
*1
- - - -
Pull-InCurrentLv
forPM Motor Tun
T2-15 % - x x x
PGNumOfPulses/Rev
forPMMotor Tun
T2-16 - - - - x
Encoder Z-Pulse
Offset for PM Motor
T2-17 Degrees - - - -
*1 Changes when the value set in T2-13 changes.
◆ EZ Tuning
This section gives information about the Auto-Tuning mode for EZ Open Loop Vector Control. Auto-Tuning will
set the E9-xx parameters.
Table 3.11 EZ Tuning Mode Selection
Mode
Parameter
Settings
Application Conditions and Benefits
Applicable Control Method
(A1-02 Value)
Motor Parameter
Setting
T4-01 = 0
• For efficient operation of induction motors and
PM motors.
• For derating torque applications, for example
fans and pumps.
EZOLV
(8)
Line-to-Line
Resistance
T4-01 = 1
• After Auto-Tuning, the wiring distance between
the drive and motor changed by 50 m or more.
• When the motor output and drive capacity are
different.
EZOLV
(8)
■ Input Data for EZ Tuning
To do Auto-Tuning, input data for the items in Table 3.12 that have an "x". Before starting Auto-Tuning, prepare
the motor test report or record the information on the motor nameplate as a reference.
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