Mitsubishi Electric FR-A800 Series Instruction Manual page 92

 Wiring example
• Speed control
Standard motor with encoder (SF-JR), 5 V differential line driver
Three-phase
AC power
supply
Forward rotation start
Reverse rotation start
Contact input common
Frequency command
Frequency setting
potentiometer
1/2 W 1 kΩ
Torque limit
command
(±10 V)
• Torque control
Standard motor with encoder (SF-JR), 5 V differential line driver
Three-phase
AC power
supply
Forward rotation start
Reverse rotation start
Contact input common
Speed limit command
Frequency setting
potentiometer
1/2 W 1 kΩ
Torque command
(±10 V)
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MCCB MC
Inverter
R/L1
S/L2
T/L3
STF
FR-A8AP
STR
SD
10
Differential
3
2
2
Complementary
5
1
Terminating
resistor ON
(+)
1
(-)
OFF
*4
Inverter
MCCB MC
R/L1
S/L2
T/L3
STF
FR-A8AP
STR
SD
10
Differential
3
2
2
Complementary
5
1
Terminating
resistor ON
(+) 1
(-)
OFF
search engine
SF-JR motor
with encoder
U U
V V
W W
E
Earth
(Ground)
PA1 C *1
PA2
R
PB1 A
PB2
N
PLG
B
PZ1
PZ2 P
H
PG
SD K
PG
*3
SD
(+) (-) 5 VDC power supply
*6
SF-JR motor
with encoder
U U
V V
W W
E
Earth
(Ground)
PA1 C
*1
PA2
R
A
PB1
PB2
N
PLG
B
PZ1
PZ2 P
H
PG
SD K
PG
*3
SD
(-)
(+) 5 VDC power supply
*6
*4
Vector control dedicated motor (SF-
V5RU, SF-THY), 12 V complementary
MCCB
*7
Three-phase
AC power
supply
M
U
Inverter
V
W
PC
External
thermal RH(OH)
relay input
*8 SD
FR-A8AP
PA1 PA1
PA2 PA2
PB1 PB1
PB2 PB2
PZ1 PZ1
Differential
*2
PZ2 PZ2
PG PG
Complementary
SD SD
Terminating
resistor
PG PG
ON
SD SD
*4 *6
OFF
*5
Vector control dedicated motor (SF-
V5RU, SF-THY), 12 V complementary
MCCB
*7
Three-phase
AC power
supply
M
U
Inverter
V
W
PC
External
thermal RH(OH)
relay input
*8 SD
FR-A8AP
PA1 PA1
PA2 PA2
PB1 PB1
PB2 PB2
PZ1 PZ1
*2
Differential
PZ2 PZ2
PG PG
Complementary
SD SD
Terminating
resistor
PG PG
ON
SD SD
*4 *6
OFF
*5
2. INSTALLATION AND WIRING
2.8 Connection to a motor with encoder (Vector control)
1
2
MC
SF-V5RU, SF-THY
OCR
A
B
FAN
C
3
U
V
M
W
E
Earth
Thermal
(Ground)
4
protector
2 W 1 kΩ G1
G2
*1
A
B
5
C
D
PLG
F
G
*2
S
6
R
*3
12 VDC power
(-) supply
(+)
*5
7
8
MC
SF-V5RU, SF-THY
OCR
A
9
B
FAN
C
U
V
M
W
10
E
Earth
Thermal
(Ground)
protector
2 W 1 kΩ G1
G2
*1
A
B
C
D
PLG
F
G
*2
S
R
*3
12 VDC power
(-) supply
(+)
*5
91