127
Selection and protection of a motor
To enter the
Pr. 90
to
Pr. 94
motor constants in [mH]
<Operating procedure>
1) Set
Pr. 71
according to the motor used.
2) In the parameter setting mode, read the following parameters and set desired values.
Calculate the
Pr. 94
value from the following formula.
3) Refer to the following table and set
Pr. 83
and
Pr. 84
.
Motor
Pr.71
Setting
Mitsubishi standard motor
Mitsubishi high efficiency motor
SF-JR
0
SF-HR
40
Mitsubishi constant-torque motor
SF-JRCA 4P
1
SF-HRCA
50
∗1
For other settings of
Pr. 71
,
refer to page 118
Pr. 94
setting = (1 -
M
2
)
×
100 (%)
L1
×
L2
Motor equivalent circuit diagram
Parameter
Number
Name
Setting Range
Setting
Increments
Initial Value
82
Motor excitation current
(no load current)
0 to 500A, 9999
0.01A
9999
90
Motor constant (R1)
0 to 50
Ω
, 9999
0.001
Ω
9999
91
Motor constant (R2)
0 to 50
Ω
, 9999
0.001
Ω
9999
92
Motor constant (L1)
0 to 1000mH, 9999
0.1mH
9999
93
Motor constant (L2)
0 to 1000mH, 9999
0.1mH
9999
94
Motor constant (X)
0 to 100%, 9999
0.1%
9999
859
Torque current
0 to 500A, 9999
0.01A
9999
Parameter
Number
Name
Setting Range
Setting
Increments
Initial Value
83
Rated motor voltage
0 to 1000V
0.1V
200V class
200V
400V class
400V
84
Rated Motor Frequency
10 to 120Hz
0.01Hz
60Hz
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.
Parameters referred to
Pr. 7 Acceleration time, Pr. 8 Deceleration time
Pr. 9 Electronic thermal O/L relay
Pr. 71 Applied motor
Pr. 80 Motor capacity, Pr. 81 Number of motor poles
Pr. 156 Stall prevention operation selection
Pr. 178 to Pr. 184 (input terminal function selection)
Pr. 190 to Pr. 192 (output terminal function selection)
Pr. 800 Control method selection
M
V
R2/S
R1
I1
I2
L1 = I1 + M:
L2 = I2 + M:
R1:
R2: Secondary resistance
I1:
I2:
M:
S: Slip
Primary inductance
Secondary inductance
Primary resistance
Primary leakage inductance
Secondary leakage inductance
Excitation inductance
Содержание FR-E710W-0.1K
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Страница 335: ...335 APPENDIX This chapter provides the APPENDIX of this product Always read the instructions before using the equipment ...
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