Mitsubishi Electric 700 Series Instruction Manual page 138

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(5)
Method to set the motor constants without using the offline auto tuning data
The Pr. 90 to Pr. 94 motor constants may either be entered in [Ω] or in [mH]. Before starting operation, confirm which motor
constant unit is used.
To enter the Pr. 90 to Pr. 94 motor constants in [Ω]
<Operating procedure>
1)Set Pr. 71 according to the motor used.
Standard motor
Setting
Constant-torque motor
2)In the parameter setting mode, read the following parameters and set desired values.
Iq =torque current, I
2
Iq =
I
- I
100
0
Parameter
Number
Motor excitation current
82
(no load current)
90
Motor constant (r1)
91
Motor constant (r2)
92
Motor constant (x1)
93
Motor constant (x2)
94
Motor constant (xm)
859
Torque current
3)Refer to the following table and set Pr. 83 and Pr. 84.
Parameter
Number
83
Rated motor voltage
84
Rated motor frequency
REMARKS
When "9999" is set in Pr. 82, Pr. 90 to Pr. 94, Pr. 859, Mitsubishi motor (SF-JR, SF-HR, SF-JRCA, SF-HRCA) constants are used.
NOTE
If "star connection" is mistaken for "delta connection" or vice versa during setting of Pr. 71, Advanced magnetic flux
vector control and General-purpose magnetic flux vector control cannot be exercised properly.
Star Connection Motor Delta Connection Motor
5
15
=rated current, I
=no load current
100
0
2
Name
Setting Range
0 to 500A, 9999
0 to 50Ω, 9999
0 to 50Ω, 9999
0 to 50Ω, 9999
0 to 50Ω, 9999
0 to 500Ω, 9999
0 to 500A, 9999
Name
Setting Range
0 to 1000V
10 to 120Hz
Selection and protection of a motor
6
16
Setting
Initial Value
Increments
0.01A
9999
0.001Ω
9999
0.001Ω
9999
0.001Ω
9999
0.001Ω
9999
0.01Ω
9999
0.01A
9999
Setting
Initial Value
Increments
200V class
0.1V
400V class
0.01Hz
200V
400V
60Hz
133
5

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