B-24
FX Series PLC User's Manual - Data Communication Edition
N:N Network
4 Wiring
4.3 Connection Diagram
• FX
3G
-485-BD-RJ
*1.
Use shielded cables, and make sure to perform class D grounding on the shield.
When using the terminal block to connect ground, wire the ground wire only to either one of two
poles of the terminal block.
*2.
Make sure to provide a terminal resistor at the end of each line. Set the terminal resistor selector
switch accordingly.
Prepare the following devices if necessary.
The FX
3G
-485-BD-RJ has a built-in wiring circuit switch.
Set the wiring circuit switch to 1 pair.
Product name
Model name
Manufacturer
RJ45 connector
TM11AP-88P
HIROSE ELECTRIC CO., LTD.
Distributor
BMJ-8
BMJ-8-28N (No internal connection of the No. 2 and 8 pin)
(Do not use a plug with terminal resistor)
HACHIKO ELECTRIC CO., LTD.
FX
3G
-485-BD-RJ
FX
3G
-485-BD-RJ
Class-D
grounding
Distributor (BMJ-8)
(Terminal resistor
selector switch:
110
Ω
)
*2
5
(Terminal resistor selector switch: Open)
Class-D
grounding
Class-D
grounding
Class-D
grounding
4
3
6
1
RDA
RDB
SDA
SDB
SG
*1
*1
*1
*1
*1
*2
Terminal
resistor
*2
Terminal
resistor
2
7
8
5
4
3
6
1
2
7
8
5
4
3
6
1
2
7
8
5 4 3 6 1 2 7 8
5 4 3 6 1 2 7 8
Co
nn
ec
tor m
eta
l fra
m
e
RDA
RDB
SDA
SDB
SG
Connector metal frame
FX
3G
-485-BD-RJ
Distributor (BMJ-8)
(Terminal resistor selector switch: Open)
5
4
3
6
1
2
7
8
5
4
3
6
1
2
7
8
5 4 3 6 1 2 7 8
5 4 3 6 1 2 7 8
Co
nn
ec
tor m
eta
l fra
m
e
RDA
RDB
SDA
SDB
SG
FX
3G
-485-BD-RJ
Class-D
grounding (Terminal resistor
selector switch:
110
Ω
)
*2
5
4
3
6
1
RDA
RDB
SDA
SDB
SG
2
7
8
Connector metal frame
Wiring circuit
switch
Summary of Contents for FX-485ADP
Page 2: ......
Page 120: ...B 2 FX Series PLC User s Manual Data Communication Edition N N Network ...
Page 188: ...C 2 FX Series PLC User s Manual Data Communication Edition Parallel Link ...
Page 244: ...D 2 FX Series PLC User s Manual Data Communication Edition Computer Link ...
Page 344: ...E 2 FX Series PLC User s Manual Data Communication Edition Inverter Communication ...
Page 700: ...H 2 FX Series PLC User s Manual Data Communication Edition Programming Communication ...
Page 752: ...I 2 FX Series PLC User s Manual Data Communication Edition Remote Maintenance ...
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