12.12 T: Auto-Tuning
1058 YASKAWA SIEPC71061737D GA800 Drive Technical Reference
■ T1-01: Auto-Tuning Mode Selection
No.
(Hex.)
Name Description
Default
(Range)
T1-01
(0701)
Auto-Tuning Mode Selection
Sets the type of Auto-Tuning.
Determined by A1-02
(Determined by A1-02)
0 : Rotational Auto-Tuning
1 : Stationary Auto-Tuning 1
2 : Stationary Line-Line Resistance
■ T1-02: Motor Rated Power
No.
(Hex.)
Name Description
Default
(Range)
T1-02
(0702)
Motor Rated Power
Uses the units set in o1-58 [Motor Power Unit Selection] to set the motor rated output power.
Determined by o2-04, C6-01
(0.00 - 650.00 HP)
■ T1-03: Motor Rated Voltage
No.
(Hex.)
Name Description
Default
(Range)
T1-03
(0703)
Motor Rated Voltage
Sets the rated voltage (V) of the motor. Enter the base speed voltage for constant output motors.
Determined by o2-04, C6-01
(200 V Class: 0.0 - 255.5 V,
400 V Class: 0.0 - 511.0 V)
If you do Auto-Tuning on a drive-dedicated motor or a specialized motor for vector control, the voltage or frequency
can be lower than that of a general-purpose motor. Always compare the data from the nameplate or test report with
the Auto-Tuning results and check for differences. Enter the voltage necessary to operate the motor in no-load
conditions at rated speed for better control precision around rated speed. If the motor test report or the motor
nameplate is not available, enter approximately 90% of the motor rated voltage.
If the drive input power supply voltage is low, enter approximately 90% of the input voltage. When the input power
supply voltage is low, the current will increase. Make sure that the main power supply capacity is correct and use a
molded-case circuit breaker for the drive.
■ T1-04: Motor Rated Current
No.
(Hex.)
Name Description
Default
(Range)
T1-04
(0704)
Motor Rated Current
Sets the rated current (A) of the motor.
Determined by o2-04
(10% to 200% of the drive
rated current)
Set the motor rated current between 50% and 100% of the drive rated current for the best performance. Enter the
current at the motor base speed.
■ T1-05: Motor Base Frequency
No.
(Hex.)
Name Description
Default
(Range)
T1-05
(0705)
Motor Base Frequency
Sets the base frequency (Hz) of the motor.
60.0 Hz
(0.0 - 590.0 Hz)
When Auto-Tuning is carried out, the value of T1-05 is set to E1-04 [Maximum Output Frequency]. If T1-05 < 40 Hz,
E1-04 = 40 Hz. If you operate the drive at a speed that is higher than the base frequency, or if you operate in the field
weakening range, set E1-04 (E3-04 for motor 2) to the maximum output frequency after you complete Auto-Tuning.
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