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Connection of motor with encoder (vector control)

• Position control

Vector control dedicated motor (SF-V5RU, SF-THY), 12V complementary
Positioning unit
MELSEQ-Q QD75P1
Torque limit command
*1
The pin number differs according to the encoder used.
Position control by pulse train input is 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 33.)
*4
For the complementary, set the terminating resistor selection switch to off position. (Refer to page 29.)
*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, FR-V7CBL and FR-A7AP, refer to page 30.
*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 made invalid and conditional position pulse train input
terminal becomes valid.
*9
Assign the function using Pr. 190 to Pr. 194 (output terminal function selection).
*10 For the fan of the 7.5kW or less dedicated motor, the power supply is single phase. (200V/50Hz, 200 to 230V/60Hz)
*11 Assign OH (external thermal input) signal to the terminal CS. (Set "7" in Pr. 186 )
Connect a 2W1kΩ resistor between the terminal PC and CS (OH). Install the
resistor pushing against the bottom part of the terminal block so as to avoid a
contact with other cables.
Refer to chapter 4 of
terminal function selection.
32
Three-phase AC
power supply
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
CLEAR COM
PULSE COM
RDY COM
COM
Preparation ready signal
READY
(+)
( ± 10V)
(-)
the instruction manual (applied) for details of Pr. 186 CS
MCCB
*10
Three-phase AC
power supply
MCCB
R/L1
U
Inverter
S/L2
V
T/L3
W
PC
External thermal
2W1kΩ
CS(OH)
relay input *11
SD
STF
FR-A7AP
STR
PA1
PA1
LX *
7
PA2
PA2
CLR
*7
PB1
PB1
JOG
*8
PB2
PB2
Differential
NP *
7
PZ1
PZ1
line driver
PC
PZ2
PZ2
SE
Complementary
PG
Terminating
SD
resistor
PG
ON
RDY
*9
SD
5
*4 *6
OFF
1
SF-V5RU, SF-THY
A
B
FAN
C
U
V
IM
W
E
Earth
(ground)
Thermal
protector
G1
G2
*1
A
B
C
D
Encoder
F
G
*2
S
R
*3
12VDC
*5
(+)
(-)
power supply
CS(OH)
PC
Control circuit
terminal block
Resistor (2W1kΩ)

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