12.12 T: Auto-Tuning
782 YASKAWA SIEPC71061753C GA500 Technical Manual
■ T2-13: Back-EMF Units Selection
No.
(Hex.)
Name Description
Default
(Range)
T2-13
(0755)
Back-EMF Units Selection
Sets the units that the drive uses to set the induced voltage constant.
1
(0, 1)
0 : mV/(rev/min)
1 : mV/(rad/s)
Note:
• When T2-13 = 0, the drive will use E5-24 [PM Back-EMF L-L Vrms (mV/rpm)] and will automatically set E5-09 [PM Back-EMF
Vpeak (mV/(rad/s))] = 0.0.
• When T2-13 = 1, the drive will use E5-09 and will automatically set E5-24 = 0.0.
■ T2-14: Back-EMF Voltage Constant (Ke)
No.
(Hex.)
Name Description
Default
(Range)
T2-14
(0737)
Back-EMF Voltage
Constant (Ke)
Sets the motor induced voltage constant (Ke).
Determined by T2-13
(0.0 - 2000.0)
■ T2-15: Pull-In Current Level
No.
(Hex.)
Name Description
Default
(Range)
T2-15
(0756)
Pull-In Current Level
Sets the level of the pull-in current as a percentage of E5-03 [PM Motor Rated Current (FLA)].
Usually it is not necessary to change this setting.
30%
(0 - 120%)
If the load inertia is high, increase the setting value.
◆ T3: ASR and Inertia Tuning
■ T3-00: Control Loop Tuning Selection
No.
(Hex.)
Name Description
Default
(Range)
T3-00
(1198)
Control Loop Tuning
Selection
Sets the type of Control Auto-Tuning.
2
(2, 3)
2 : Deceleration Rate Tuning
3 : KEB Tuning
◆ T4: EZ Tuning
Use T4 parameters to input the data necessary for motor parameter Auto-Tuning when A1-02 = 8 [Control
Method Selection = EZ Vector Control]. These two modes are available:
T4-01 Setting Operational overview Items input for tuning Items tuned
0 Follow the instructions in the setup wizard on the keypad to
manually enter the necessary motor parameters.
• T4-02 [Motor Type Selection]
• T4-03 [Motor Max Revolutions]
• T4-04 [Motor Rated Revolutions]
• T4-05 [Motor Rated Frequency]
*1
• T4-06 [Motor Rated Voltage]
• T4-07 [Motor Rated Current]
• T4-08 [Motor Rated Capacity]
• T4-09 [Number of Poles]
• E9-01 [Motor Type Selection]
• E9-02 [Maximum Speed]
• E9-03 [Rated Speed]
• E9-04 [Base Frequency]
• E9-05 [Base Voltage]
• E9-06 [Motor Rated Current (FLA)]
• E9-07 [Motor Rated Power]
• E9-08 [Motor Pole Count]
• E9-09 [Motor Rated Slip]
• E9-10 [Motor Line-to-Line Resistance]
1 Do only line-to-line resistance tuning. Motor Rated Current E9-10 [Motor Line-to-Line Resistance]
*1 When you use a PM motor or a synchronous reluctance motor, it is not necessary to enter the rated frequency. The drive will use the
rated rotation speed and number of motor poles to automatically calculate the rated frequency.
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