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• Position control
Positioning unit
MELSEQ-Q QD75P1
CLEAR COM
PULSE COM
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 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.
*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).
Vector control dedicated motor, 12V complimentary
MCCB
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
RDY COM
COM
Preparation ready signal
READY
(+)
( ± 10V)
(-)
Connection of motor with encoder (vector control)
R/L1
U
U
Inverter
S/L2
V
V
T/L3
W
W
E
Earth
(ground)
FR-A7AP
STR
*1
PA1
PA1
A
LX *
7
PA2
PA2
B
CLR
*7
PB1
PB1
C
JOG
*8
PB2
PB2
D
Differential
NP *
7
F
line driver
PZ1
PZ1
PC
PZ2
PZ2
G
SE
Complimentary
PG
S
Terminating
SD
R
resistor
PG
ON
RDY
*9
SD
*3
12VDC
5
(-)
*4 *6
(+)
power supply
OFF
1
IM
Encoder
*2
*5
35
2
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