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3.4.4
Input/output interface internal circuit
LD75P1/LD75D1 external device connection interface are shown below.
(1) Input (Common to LD75P1 and LD75D1)
External wiring
*1
The symbols in Need for wiring column indicate the following meanings:
• : Wiring is necessary for positioning.
• : Wiring is necessary depending on the situation.
*2
Either polarity can be connected to the common (COM).
76
Pin No.
Internal circuit
1A3
1
A
1
1A2
1
A
4
1A5
1A6
1A7
(+)
1A19
(–)
1B19
(+)
1A20
(–)
1B20
1
A
1
1
1A12
1A8
1
A
9
1
A
1
0
Signal name
Near-point dog signal
U
p
p
e
i l r
i m
s t
g i
n
l a
Lower limit signal
S
o t
p
s
g i
n
l a
External command
signal
Common
PULSER A+
Manual pulse generator
A phase
PULSER A–
PULSER B+
Manual pulse generator
B phase
PULSER B–
D
i r
e v
u
t i n
R
E
A
D
Y
Drive unit READY
RDY COM
common
Zero signal
Z
e
o r
s
g i
n
l a
o c
m
m
o
n
P
Need for wiring
1
DOG
F
L
S
RLS
S
T
O
P
CHG
COM
R
E
A
D
Y
PG024
P
G
0
5
G
0
C
O
M
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