Offline Auto Tuning (Pr. 71, Pr. 80 To Pr. 84, Pr. 90 To Pr. 94, Pr. 96, Pr. 450, Pr. 453 To Pr. 463, Pr. 684, Pr. 859, Pr. 860) - Mitsubishi Electric FR-A740-00023 Instruction Manual

4.13.3 Offline auto tuning (Pr. 71, Pr. 80 to Pr. 84 , Pr. 90 to Pr. 94 , Pr. 96 , Pr. 450,
Pr. 453 to Pr. 463, Pr. 684, Pr. 859, Pr. 860
The motor performance can be maximized with offline auto tuning.
• What is offline auto tuning?
When performing advanced magnetic flux vector control, real sensorless vector control or vector control, the
motor can be run with the optimum operating characteristics by automaticaly measuring the motor constants
(offline auto tuning) even when each motor constants differs, other manufacturer's motor is used, or the wiring
length is long.
Parameter
Name
Number
71 Applied motor
80 Motor capacity
81 Number of motor poles
82 Motor excitation current
83 Motor rated voltage
84 Rated motor frequency
90 Motor constant (R1)
91 Motor constant (R1)
92 Motor constant (L1)
93 Motor constant (L2)
94 Motor constant (X)
)
Magnetic flux Magnetic flux Magnetic flux
Initial
Setting Range
Value
0 to 8, 13 to 18, 20,
0 23, 24, 30, 33, 34, 40, 43,
44, 50, 53, 54
01800 or
0.4 to 55kW
less
9999 02160 or
0 to 3600kW
more
9999
2, 4, 6, 8, 10
9999 12, 14, 16, 18, 20
9999
01800 or
0 to 500A
less
02160 or
0 to 3600A
9999 more
9999
400V 0 to 1000V
50Hz 10 to 120Hz
01800 or 0 to 50Ω,
less 9999
9999
02160 or 0 to 400mΩ,
more 9999
01800 or 0 to 50Ω,
less 9999
9999
02160 or 0 to 400mΩ,
more 9999
0 to 50Ω,
01800 or
(0 to 1000mH),
less
9999
0 to 3600mΩ
02160 or
(0 to 400mH),
more
9999
0 to 50Ω
01800 or
(0 to 1000mH),
less
9999
0 to 3600mΩ
02160 or
(0 to 400mH),
more
9999
0 to 500Ω
01800 or
(0 to 100%),
less
9999
9999
0 to 100Ω
02160 or
(0 to 100%),
more
9999
Selection and protection of a motor
Sensorless Sensorless Sensorless Vector Vector Vector
Description
By selecting a standard motor or
constant torque motor, thermal
characteristic and motor constants of
each motor are set.
Set the applied motor capacity.
V/F control
Set the number of motor poles.
X18 signal-ON:V/F control
Set 10 + number of
motor poles.
V/F control
Tuning data
(The value measured by offline auto
tuning is automatically set.)
Use the Mitsubishi motor (SF-JR, SF-
HR, SF-JRCA, SF-HRCA, SF-V5RU)
constants
Set the rated motor voltage(V).
Set the rated motor frequency (Hz).
9999
Tuning data
(The value measured by offline auto
tuning is automatically set.)
9999: Use the Mitsubishi motor (SF-JR,
SF-HR, SF-JRCA, SF-HRCA, SF-
V5RU) constants
9999
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