Mitsubishi Electric FR-A700 Technical Manual page 231

(2) Selection method of vector control
Set any of 0 to 5 in [Pr. 800 Control method selection].
Setting any value other than 9999 in [Pr. 80 Motor
capacity] and [Pr. 81 Number of motor poles] selects
vector control. V/F control is chosen when either of
the [Pr. 80 or 81] setting is 9999.
When [Pr. 81 = 12, 14, 16, 18, 20], you can select
between V/F control and vector control for operation
by switching ON-OFF the X18 signal.
Set [Pr. 71, 359, 369] according to the motor and
encoder used.
Motor Name
SF-JR
SF-JR 4P 1.5kW or
Mitsubishi standard
less
motor
SF-HR
Others
SF-JRCA 4P
Mitsubishi constant-
SF-HRCA
torque motor
Others
SF-V5RU
(1500r/min series)
SF-V5RU
Vector dedicated
(Other than
motor
1500r/min series)
SF-THY
Other
manufacturer's —
standard motor
Other
manufacturer's
—
constant-torque
motor
Values in are initial values.
*1 Offline auto tuning is necessary. (Refer to page 268)
*2 Set this parameter according to the motor used.
*3 Use thermal relay protector input provided with the motor.
(3) Information on vector control
[Pr. 9]
[Pr. 71]
Electronic
Applicable
Thermal O/L
Motor
Relay
Rated motor
0
current
Rated motor
20
current
Rated motor
40
current
Rated motor
3 *
1
current
Rated motor
1
current
Rated motor
50
current
Rated motor
13
*
1
current
0 30
*
3
0 * 13 *
3 1
0 33
* *
3 1
Rated motor
3 *
1
current
Rated motor
13
*
1
current
265
Vector control is controlled by the encoder at motor
side. When performing vector control with the
encoder on the machine side by using FR-A7AL,
convert the number of encoder pulses at the machine
side to the number equivalent for the motor side, and
set the value to [Pr. 396 Number of encoder pulses].
When encoders at the motor side and machine side
differ, set the same rotation direction as the motor
side to [Pr. 359 Encoder rotation direction].
The carrier frequencies are selectable from 2k,
6k, 10k, 14kHz for vector control. (2k and 6kHz
for the 75K or more)
[Pr. 81] [Pr. 359]
[Pr. 80]
Number of Encoder
Motor
Motor Rotation
Capacity
Poles Direction
Motor Number of
capacity motor poles
Motor
4
capacity
Motor Number of
capacity motor poles
Motor Number of
capacity motor poles
Motor
4
capacity
Motor Number of
capacity motor poles
Motor Number of
capacity motor poles
Motor
4
capacity
Motor
4
capacity
Motor
4
capacity
Motor Number of
capacity motor poles
Motor Number of
capacity motor poles
PARAMETER
[Pr. 369]
Number of
Encoder
Pulses
1 1024
1 1024
1 1024
*2 *2
1 1024
1 1024
*2 *2
1 2048
1 2048
1 2048
*2 *2
*2 *2
2