Vector Control; Wiring Examples - Mitsubishi Electric FR-A820-00046 Instruction Manual

6

VECTOR CONTROL

When the FR-A8APA is installed on the FR-A800 series inverter, full-scale vector control operation can be performed using a
motor with encoder. (For the details of vector control, refer to the Instruction Manual (Detailed) of the inverter.)
Speed control, torque control, and position control are enabled under vector control for the induction motor.
Speed control and position control are enabled under vector control for the PM motor.
6.1

Wiring examples

 Speed control
Three-phase
AC power supply
Frequency command
Frequency setting
Torque limit
22
VECTOR CONTROL
MCCB MC
Forward rotation start
Reverse rotation start
Contact input common
3
2
potentiometer
1/2 W1 kΩ
1
(+)
command
(-)
( 10 V)
Inverter
R/L1 U
S/L2 V
T/L3 W
Earth
STF
(Ground)
FR-A8APA
STR
EA+
SD
EA-
EB+
EB-
10
ER+
ER-
2
EC+
5
EC-
ED+
ED-
1
UP
UN
∗2
U
V
M
W
E
EA+
EA-
EB+
EB-
Encoder
ER+
ERN 1387
ER-
E
EC+
EC-
∗1
ED+
ED-
UP
UN