4.7 Auto-Tuning
116 YASKAWA ELECTRIC SIEP C710616 27C YASKAWA AC Drive A1000 Technical Manual
■ 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.
■ 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.
■
T1-10: Motor Rated Slip
Sets the rated slip for the motor.
The default setting displayed is the motor rated slip for a Yaskawa motor calculated from the output power set in T1-02.
Enter the data listed on the motor test report.
■
T1-11: Motor Iron Loss
Provides iron loss information for determining the Energy Saving coefficient. T1-11 will first display a value for the
motor iron loss that the drive automatically calculated the when motor capacity was entered to T1-02. If the motor test
report is available, enter the motor iron loss value listed there.
◆ Parameter Settings during PM Motor Auto-Tuning: T2
The T2- parameters are used to set the Auto-Tuning input data for PM motor tuning.
■
T2-01: PM Motor Auto-Tuning Mode Selection
Selects the type of Auto-Tuning to be performed. Refer to Auto-Tuning for Permanent Magnet Motors on page 110 for
details on different types of Auto-Tuning.
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 Table A.2 and Tabl e A.3 ) 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 <1> Motor No-Load Current
0 A to [T1-04]
(Max: 0 to 2999.9)
–
No. Name Setting Range Default
T1-10 Motor Rated Slip 0.00 to 20.00 Hz –
No. Name Setting Range Default
T1-11 Motor Iron Loss 0 to 65535 W E2-11 (E4-11)
No. Name Setting Range Default
T2-01 PM Motor Auto-Tuning Mode Selection
0 to 2 (OLV/PM, AOLV/PM)
0 to 3, 8, 9 (CLV/PM)
0
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