Mitsubishi Electric FX3U-232-BD User Manual page 142

FX Series PLC User's Manual - Data Communication Edition
N:N Network
• FX -485-BD-RJ
3G
FX -485-BD-RJ Distributor (BMJ-8)
3G
RDA 5 5
RDB 4 4
SDA 3 3
SDB 6 6
SG 1 1
2 2
Terminal
7 7
resistor
8 8
*2
Connector metal frame
*1
Class-D
grounding
(Terminal resistor
selector switch:
110Ω) *2
FX
*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.
Product name
RJ45 connector
Distributor
The FX -485-BD-RJ has a built-in wiring circuit switch.
3G
Set the wiring circuit switch to 1 pair.
B-24
5 4 3 6 1 2 7 8
Class-D
grounding
*1
5 4 3 6 1 2 7 8
-485-BD-RJ
3G
(Terminal resistor selector switch: Open)
TM11AP-88P
BMJ-8
BMJ-8-28N (No internal connection of the No. 2 and 8 pin)
(Do not use a plug with terminal resistor)
Wiring circuit
switch
Distributor (BMJ-8)
5 5
4 4
3 3
6 6
1 1
2 2
7 7
8 8
5 4 3 6 1 2 7 8
Class-D
grounding
*1
5 4 3 6 1 2 7 8
FX -485-BD-RJ
3G
(Terminal resistor selector switch: Open)
Model name
4.3 Connection Diagram
FX -485-BD-RJ
3G
5 5 RDA
4 4 RDB
3 3 SDA
6 6 SDB
1 1 SG
2 2
Terminal
7 7
resistor
8 8
Connector metal frame
*1
Class-D
grounding
*1
Class-D
grounding (Terminal resistor
selector switch:
110Ω) *2
Manufacturer
HIROSE ELECTRIC CO., LTD.
HACHIKO ELECTRIC CO., LTD.
4 Wiring
*2