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5.ABSOLUTE POSITION DETECTION SYSTEM
(7) Connection example
This diagram shows connection between the MELSEC-A1SD75 (AD75) and servo amplifier.
A1S62P
600mA
LG
INPUT
Power supply
AC100/200
A1SCPU
A1SX40
A1SY40
A1SD75-P
For notes, refer to page 5-6.
General-purpose programmable controller
+24
24G
FG
ABS data bit 0
0
ABS data bit 1/zero speed
1
Readying to send data/limiting torque
2
Trouble
3
Alarm reset
4
Emergency stop
5
Servo ON
6
Home position return
7
COM
Operation mode I
8
Operation mode II
9
Position start
A
(Note 3)
Position stop
B
JOG+
C
JOG-
D
E
F
COM
NC
NC
Servo ON
0
ABS transfer mode
1
ABS request
2
Alarm reset
3
4
5
6
7
+
COM1
-
Servo alarm
8
ABS communication error
9
A
ABS checksum error
B
+
COM2
-
(Note 1)
Proximity signal
DOG
11
FLS
12
RLS
13
14
STOP
CHG
15
START
16
Common
35
Common
36
RDY
7
INPS
8
26
Common
CLEAR
5
(Note 2)
Common
23
24
PGO
25
21
PULSE-F
3
22
PULSE-R
4
PLS COM
19
(Note 6)
PLS COM
20
5– 5
MR–J2–A
Upper limit
Lower limit
Operation Mode
Operating Status
1
2
OFF
OFF
OFF
ON
JOG
ON
OFF
Home position return
ON
ON
Positioning
RA2
Electromagnetic brake output
(Note 4)
(Note 2)
Ready
Positioning completion
(Note 5)
CN1B
VDD
3
COM
13
SG
10
SG
20
ABS bit0
4
ABS bit1
19
ABS busy
6
ALM
18
EMG
15
LSP
16
LSN
17
SON
5
ABSM
8
9
ABSR
RES
14
CN1A
COM
9
19
RD
18
INP
CR
8
SG
10
SG
20
LZ
5
LZR
15
PG
13
PP
3
NG
12
NP
2
1
LG
Plate
SD
5
5
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