Position Control - Mitsubishi Electric FR-A820-00046 Instruction Manual

 Position control
Positioning unit
MELSEC iQ-R RD75[]
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-A8APA
STR
EA+ EA+
LX ∗3
EA- EA-
CLR ∗3
EB+ EB+
∗4
JOG
EB- EB-
∗3
NP
ER+ ER+
PC ER- ER-
EC+ EC+
SE
EC- EC-
ED+ ED+
ED- ED-
∗5
RDY
UP
5 UP
UN
1
U
V
M
W
E
Earth
(ground)
EA+ EA+
EA- EA-
EB+ EB+
EB- EB-
Encoder
ER+ ER+
ERN 1387
ER- ER-
E
EC+ EC+
EC- EC-
∗1
ED+ ED+
ED- ED-
UP UP
UN
∗2