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5 VECTOR CONTROL
When FR-A7AP is mounterd on the FR-A700 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 Inverter
Manual (Applied) for details.)
5.1 Wiring Examples
(1) Standard motor with encoder, 5V differential line driver (speed control)
Three-phase
A
C power supply
MCCB
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-A7AP
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
1
Frequency command
Frequency setting
potentiometer
1/2W1k
Ω
5
(+)
(-)
5VDC power supply *5
(+)
(-)
Torque limit
command
( 10V)
MC