Mitsubishi Electric FR-A820-00046 (0.4K) Instruction Manual page 514
Fr-a800 series
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Setting
• To perform tuning, set the following parameters about the motor.
First
Second
motor
motor
Name
Pr.
Pr.
80
453
Motor capacity
81
454
Number of motor poles 9999 (V/F control)
Control method
800
451
selection
Electronic thermal O/L
9
51
relay
83
456
Rated motor voltage
Rated motor
84
457
frequency
71
450
Applied motor
Auto tuning setting/
96
463
status
*1
The initial value differs according to the voltage class (200 V / 400 V).
*2
For the settings for the SF-V5RU, refer to
*3
Set Pr.71 Applied motor according to the motor to be used and the motor constant setting range. According to the Pr.71 setting, the range of
the motor constant parameter setting values and units can be changed. (For other setting values of Pr.71, refer to
Motor
SF-JR, SF-TH
Mitsubishi Electric
SF-JR 4P 1.5 kW or lower
standard motor
Mitsubishi Electric
SF-HR
high-efficiency motor
Others
SF-JRCA 4P, SF-TH (constant-
torque)
Mitsubishi Electric
constant-torque motor
SF-HRCA
Others (SF-JRC, etc.)
Mitsubishi Electric
high-performance
SF-PR
energy-saving motor
SF-V5RU (1500 r/min series)
SF-THY
Vector control
dedicated motor
SF-V5RU (other than the 1500 r/min
series)
Other manufacturer's
—
standard motor
Other manufacturer's
—
constant-torque motor
NOTE
• When the SF-V5RU (other than the 1500 r/min series) is used, be sure to perform auto tuning after setting "1, 13, or 14" in
Pr.71 and setting Pr.83 and Pr.84.
• When Pr.11 DC injection brake operation time = "0" or Pr.12 DC injection brake operation voltage = "0", offline auto
tuning is performed at the initial setting of Pr.11 or Pr.12.
• When position control is selected (Pr.800 = "3 or 5" (when the MC signal is OFF)), offline auto tuning is not performed.
• If "wye connection" or "delta connection" is incorrectly selected in Pr.71, Advanced magnetic flux vector control, Real
sensorless vector control, and Vector control are not performed properly.
Initial value
9999 (V/F control)
Set the motor capacity (kW).
Set the number of motor poles (2 to 12).
Set this parameter under Vector control or Real sensorless vector
20
control.
Inverter rated current
Set the rated motor current (A).
*1
200 V / 400 V
Set the rated motor voltage (V) printed on the motor's rating plate.
Set the rated motor frequency (Hz).
9999
Pr.3 Base frequency setting is used.
Set this parameter according to the motor.
0 (standard motor)
constant setting ranges, units and tuning data can be stored according
to settings.
Set "1" or "101".
1: Tuning is performed without rotating the motor. (Excitation noise
0
occurs at this point.)
101: Tuning is performed while rotating the motor. The motor can rotate
up to the speed near the rated motor frequency.
page
93.
Motor constant
parameter
mH, %, and A unit
setting
0 (initial value)
20
40
0 (initial value)
1
50
1
70
30
1
0 (initial value)
1
Description
*2
When the setting is "9999", the
*3
Three types of motor
page
505.)
Pr.71 setting
Motor constant
Motor constant parameter
parameter
Ω, mΩ, and A unit setting
internal data setting
3 (4)
—
23 (24)
—
43 (44)
—
3 (4)
—
13 (14)
—
53 (54)
—
13 (14)
—
73 (74)
—
33 (34)
—
13 (14)
—
5 (Wye connection motor)
3 (4)
6 (delta connection motor)
15 (Wye connection motor)
13 (14)
16 (delta connection motor)
5. PARAMETERS
5.13 (C) Motor constant parameters
1
2
3
*2
4
5
6
7
8
9
10
513
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Troubleshooting
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