Mitsubishi Electric FR-A872-E Instruction Manual page 65

• Torque control
Standard motor with encoder, 5 V differential line driver
To converter unit
Forward rotation start
Reverse rotation start
Contact input common
Speed limit command
Frequency setting
potentiometer
1/2W1kΩ
Torque
(+)
command
(-)
(±10V)
• Position control
Positioning unit
MELSEC-Q QD75P[]N/QD75P[]
MELSEC-L LD75P[]
PULSE COM
Torque limit command
*1 The pin number differs according to the encoder used.
Speed, control, torque control, and position control by pulse train input are available with or without the Z-phase being connected.
*2 Connect the encoder so that there is no looseness between the motor and motor shaft. Speed ratio must be 1:1.
*3 Earth (ground) the shield of the encoder cable to the enclosure using a tool such as a P-clip. (Refer to
*4 For the complementary, set the terminating resistor selection switches in the OFF position. (Refer to
*5 A separate power supply of 5 V/12 V/15 V/24 V is necessary according to the encoder power specification.
When the encoder output is the differential line driver type, only 5 V can be input.
Make the voltage of the external power supply same as the encoder output voltage, and connect the external power supply between PG and SD.
*6 For terminal compatibility of the FR-JCBL, FR-V7CBL, and FR-A8AP, refer to
*7 Assign the function using Pr.178 to Pr.184, Pr.187 to Pr.189 (Input terminal function selection).
*8 When position control is selected, terminal JOG function is invalid and simple position pulse train input terminal becomes valid.
*9 Assign the function using Pr.190 to Pr.194 (Output terminal function selection).
64
2. INSTALLATION AND WIRING
2.8 Connection to a motor with encoder (Vector control)
Inverter
P/+
N/-
STF
FR-A8AP
STR
SD
10
Differential
3
2
2
Complementary
5
1
Terminating
resistor ON
1
OFF
∗4
Vector control dedicated motor, 12 V complementary
To converter unit
FLS
RLS
DOG
STOP
Forward stroke end
Reverse stroke end
Pre-excitation/servo on
Clear signal
CLEAR
Pulse train
PULSE F
Sign signal
PULSE R
24VDC power supply
CLRCOM
RDYCOM
COM
Preparation ready signal
READY
(+)
(±10V) (-)
Motor with
encoder
U U
V V
IM
W W
E
Earth
(Ground)
∗1
PA1
C
PA2
R
A
PB1
PB2
N
PLG
B
PZ1
PZ2
P ∗2
H
PG
SD
K
PG
∗3
SD
5VDC power supply
(-)
(+)
∗6
∗5
Inverter
P/+
N/-
STF
FR-A8AP
STR
LX ∗7
CLR
∗7
JOG
∗8
NP ∗7
Differential
line driver
PC
SE
Complementary
Terminating
resistor
ON
RDY ∗9
5
OFF
1
page
Vector control
dedicated motor
U U
V V
W W
E
Earth
(ground)
∗1
PA1 A
PA2 B
PB1 C
PB2 D
PZ1 F
PZ2 G
PG S
SD R
PG
SD
∗3
12VDC
∗4 ∗6
(+) (-)
power supply
page 65.)
page 61.)
63.
IM
PLG
∗2
∗5