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5
VECTOR CONTROL
When the 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
AC power supply
Forward rotation start
Reverse rotation start
Contact input common
Frequency command
Frequency setting
potentiometer
1/2W1k Ω
Torque limit
command
( 10V)
28
MCCB
R/L1
S/L2
T/L3
STF
STR
SD
10
3
2
2
5
1
(+)
1
(-)
SF-JR motor with encoder
Inverter
U
V
W
W
Earth
(Ground)
FR-A7AP
PA1
PA2
PB1
PB2
Differential
PZ1
PZ2
Complimentary
PG
SD
Terminating
resistor ON
PG
*3
SD
(-)
(+)
*5
OFF
*4
U
V
IM
E
C
*1
R
A
N
Encoder
B
P
*2
H
K
5VDC power supply
*6
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