Mitsubishi Electric FR-A8AX Instruction Manual Page 28

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VECTOR CONTROL
27
6
6 VECTOR CONTROL
When FR-A8AP is mounterd on the FR-A800 series, full-scale vector control operation can be performed using a motor with
encoder.
Speed control, torque control and position control by vector control can be performed. (Refer to the Instruction Manual
(Detailed) for details.)
6.1 Wiring examples
Speed control
Standard motor with encoder (SF-JR), 5 V differential line driver
Vector control dedicated motor
(SF-V5RU, SF-THY), 12 V complementary
R/L1
S/L2
T/L3
SF-JR motor with encoder
U
V
W
U
V
W
E
C
∗3
∗1
∗2
∗4
∗6
R
PA1
FR-A8AP
PA2
PB1
PB2
PZ1
PZ2
PG
PG
SD
SD
Differential
Terminating
resistor ON
OFF
Complementary
A
N
B
P
H
K
IM
Forward rotation start
Reverse rotation start
Contact input common
STF
STR
SD
Encoder
Earth
(Ground)
Inverter
10
2
2
3
1
Torque limit
command
( 10 V)
1
Frequency command
Frequency setting
potentiometer
1/2 W1 kΩ
5
(+)
(-)
5 VDC power supply
(+)
(-)
∗5
Three-phase
AC power supply
MCCB MC
*4 *6
*3
PA1
FR-A8AP
PA2
PB1
PB2
PZ1
PZ2
PG
PG
SD
SD
*1
Differential
Terminating
resistor
ON
OFF
Complementary
SF-V5RU, SF-THY
U
V
W
U
A
B
C
V
W
E
G1
G2
A
Earth
(Ground)
*2
Three-phase
AC power
supply
MCCB MC
OCR
B
PA1
PA2
PB1
PB2
PZ1
PZ2
PG
PG
SD
SD
C
D
F
G
S
R
IM
FAN
External
thermal
relay input
*8
Thermal relay
protector
*7
OH
SD
Inverter
PC
2W1kΩ
12VDC power
supply
(+)
(-)
*5
Encoder
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