4.6 Auto-Tuning
YASKAWA ELECTRIC
SIEP C710616 30B YASKAWA AC Drive T1000A Technical Manual
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T1-04: Motor Rated Current
Sets the motor rated current according to the motor nameplate value. For optimal performance in OLV or CLV, the motor
rated current should be between 50 and 100% of the drive rated current. Enter the current at the motor base speed.
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T1-05: Rated Frequency
Sets the motor rated frequency according to the motor nameplate value. If a motor with an extended speed range is used
or the motor is used in the field weakening area, enter the maximum frequency to E1-04 (E3-04 for motor 2) after Auto-
Tuning is complete.
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T1-06: Number of Motor Poles
Sets the number of motor poles according to the motor nameplate value.
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T1-07: Rated Speed
Used to set the motor rated speed according to the motor nameplate value. If a motor with an extended speed range is
used or the motor is used in the field weakening area, enter the speed at base frequency here.
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T1-08: PG Number of Pulses Per Revolution
Sets the number of pulses from the PG encoder. Set the actual number of pulses for one full motor rotation.
Note:
T1-08 will only be displayed in CLV.
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T1-09: Motor No-Load Current
Sets the no-load current for the motor.
The default setting displayed is no-load current that was automatically calculated from the output power set in T1-02 and
the motor rated current set to T1-04. Enter the data listed on the motor test report. Leave this data at the default setting if
the motor test report is not available.
<1> Values shown here are for 200 V class drives. Double values when using a 400 V class unit.
No.
Name
Setting Range
Default
T1-04
Motor Rated Current
10 to 200% of drive rated current
Depending on o2-04
No.
Name
Setting Range
Default
T1-05
Rated Frequency
0.0 to 400.0 Hz
50.0 Hz
No.
Name
Setting Range
Default
T1-06
Number of Motor Poles
2 to 48
4
No.
Name
Setting Range
Default
T1-07
Rated Speed
0 to 24000 r/min
1450 r/min
No.
Name
Setting Range
Default
T1-08
PG Number of Pulses Per Revolution
0 to 60000 ppr
1024 ppr
No.
<1> This value's number of decimal places depends on the drive model and the Heavy/Normal duty selection in parameter C6-01. The value will
have two decimal places (0.01 A) if the drive is set for a Maximum Applicable Motor Capacity up to 11 kW (refer to
)
and one decimal place (0.1 A) if the set Maximum Applicable Motor Capacity is higher than 11 kW.
Name
Setting Range
Default
T1-09
Motor No-Load Current
0 A to [T1-04]
(Max: 0 to 2999.9)
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