FX
3S
/FX
3G
/FX
3GC
/FX
3U
/FX
3UC
PLC User's Manual - Positioning Control Edition
Example Connection
Appendix 1. MELSERVO-J4 Series
Appendix 1-1 Main Unit (Transistor Output)
Apx. - 5
A
Common Items
B
Built-in
Positioning
Functions
Apx.
Example
Connection
2. FX3G/FX3U PLC
*1. Be sure to use the class-D grounding method (grounding resistance: 100
or less).
*2. Near-point signal (DOG)
46
20
CN1
OPC 12
DICOM
ZSP
INP
21
23
24
TLC25
ALM48
CN1
SON
RES
EM2
15
19
42
LSP43
LSN44
CN1
DOCOM
DOCOM
47
25
22
23
46
15
17
18
CN1
LG
OP
34
33
RD 49
DOG
*2
*6
*7
X004
X017
FX3U-32MT/ES
FX
3G-40MT/ES
X010
X014
X000
24V
0V
S/S
N
L
SD
41CR
S/S
X020
FX2N-16EX-ES/UL
*5
X021
X022
X023
X024
X026
X027
X037
X025
X030
COM1
FX2N-16EYT
*5
Y020
Y027
COM1
Y000
Y007
Y004
PP
46
10
NP 35
COM2
24 V DC
Photo-coupler
Photo-coupler
100 to 240 V AC
Class-D
grounding
*1
Immediate stop command
Zero return command
JOG (+) command
JOG (-) command
Forward rotation positioning command
Forward rotation limit 1 (LSF)
*3
Reverse rotation limit 1 (LSR)
*3
Reverse rotation positioning command
Stop command
Pulse train
CLEAR signal
Direction
Zero-Point
signal (PG0)
Servo ready
(RD)
DOCOM
DOCOM
DICOM
Plate
MR-J4A
Series servo
amplifier
*8
ABST
ABSB0
ABSB1
SON
ABSM
ABSR
Zero speed
*4
Positioning completed (INP)
Torque being controlled
*4
Servo error (ALM)
Servo-ON
*4
Reset
Emergency stop 2
Forward rotation limit 2
*3
Reverse rotation limit 2
*3
Connected to the
PLC if the ABS
instruction (FNC155)
is used.
*4
FX
2N
-16EX-ES/UL
FX
2N
-16EYT
Refer to Appendix
1.3.1-2.
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