Mitsubishi Electric 800 Series Instruction Manual page 24

 Position control
Positioning unit
MELSEC-Q QD75P[ ]N/QD75P[ ]
MELSEC-L LD75P[ ]
PULSE F
PULSE R
CLRCOM
PULSE COM
RDYCOM
Torque limit command

Connect the encoder so that there is no looseness between the motor and motor shaft. Speed ratio must be 1:1.

Earth (ground) the shield of the encoder cable to the enclosure using a tool such as a P-clip.

Assign the function using Pr.178 to Pr.184, Pr.187 to Pr.189 (input terminal function selection).

When position control is selected, terminal JOG function is invalid and simple position pulse train input terminal becomes valid.

Assign the function using Pr.190 to Pr.194 (output terminal function selection).
24
VECTOR CONTROL
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
Sign signal
24 VDC power supply
COM
Preparation ready signal
READY
(+)
(-)
( 10 V)
MC
R/L1 U
Inverter
S/L2 V
T/L3 W
STF
FR-A8APS
STR
DT+
LX ∗3
DT-
∗3
CLR
CK+
∗4
JOG
CK-
∗3
NP
UP
PC
UN
SE
∗5
RDY
5
1
U
V
M
W
E
Earth
(ground)
DATA
DATA
CLOCK
CLOCK
Encoder
Up
0v
∗1
∗2