Speed Control - Mitsubishi Electric FR-A740-00023 Instruction Manual

Connection of motor with encoder (vector control)
(5) Wiring

• Speed control

Standard motor with encoder (SF-JR), 5V differential line driver
Three-phase
AC power supply
Forward rotation start
Reverse rotation start
Contact input common
Frequency command 3
Frequency setting 2
potentiometer
1/2W1k Ω
1
Torque limit
(+)
command
(-)
( 10V)
• Torque control
Standard motor with encoder (SF-JR), 5V differential line driver
Three-phase
AC power supply
Forward rotation start
Reverse rotation start
Contact input common
Speed limit command
3
Frequency setting 2
potentiometer
1/2W1k Ω
1
Torque command (+)
(-)
( 10V)
*1 The pin number differs according to the encoder used.
Speed control and torque control are properly performed even without connecting Z phase.
*2 Connect the encoder so that there is no looseness between the motor and motor shaft. Speed ratio should be 1:1.
*3 Earth (Ground) the shielded cable of the encoder cable to the enclosure with a P clip, etc. (Refer to page 36.)
*4 For the complementary, set the terminating resistor selection switch to off position. (Refer to page 32.)
*5 A separate power supply of 5V/12V/15V/24V is necessary according to the encoder power specification.
*6 For terminal compatibility of the FR-JCBL and FR-A7AP, refer to page 33.
34
MCCB
Inverter
U
R/L1
S/L2
V
W
T/L3
STF
FR-A7AP
STR
PA1
PA2
SD
PB1
PB2
10
Differential
PZ1
PZ2
2
Complimentary
5
PG
SD
Terminating
resistor ON
PG
1
SD
*6
OFF
*4
MCCB
Inverter
R/L1
S/L2
T/L3
STF
FR-A7AP
STR
PA1
PA2
SD
PB1
PB2
10
Differential
PZ1
PZ2
2
Complimentary
5
Terminating
resistor ON
1
OFF
*4
SF-JR motor
with encoder
U
V
IM
W
E
Earth
(Ground)
C *1
R
A
N
Encoder
B
P
*2
H
K
*3
5VDC power supply
*5
(+) (-)
SF-JR motor
with encoder
U U
V V
IM
W W
E
Earth
(Ground)
C
*1
R
A
N
Encoder
B
P
*2
PG H
SD K
PG
*3
SD
5VDC
*6 (-)
(+)
power supply
*5
Vector control dedicated motor,
12V complimentary
U U
Inverter
V V
W W
E
Earth
(Ground)
FR-A7AP
*1
PA1
A
PA2 B
PB1 C
PB2 D
PZ1 F
Differential
PZ2
G
PG S
Complimentary
SD R
Terminating
resistor
PG
ON
*3
SD
12VDC power supply
*6
*4
(-)
(+)
OFF
Vector control dedicated motor,
12V complimentary
U U
Inverter
V V
W W
E
Earth
(Ground)
FR-A7AP
*1
PA1 A
PA2
B
PB1 C
PB2 D
F
PZ1
Differential
PZ2 G
PG S
Complimentary
SD R
Terminating
resistor
PG
ON
*3
SD
12VDC power supply
*4 *6
(-)
(+)
OFF
IM
Encoder
*2
*5
IM
Encoder
*2
*5