Mitsubishi Electric FX3U-232-BD User Manual page 384

FX Series PLC User's Manual - Data Communication Edition
Inverter Communication
4. When two or more (up to eight) inverters are connected (2-wire type)
PLC
• FX -485-BD-RJ
3G
FX -485-BD-RJ
3G
RDA
RDB
SDA
SDB
SG
Terminal
resistor
Connector metal frame
(Terminal resistor
selector switch: 110Ω)
(Wiring circuit switch:
1 pair)
PLC
E-42
Terminal resistor: 110 
• FX -485-BD, FX
3U 3G
Set the built-in selector switch.
Distributor
10BASE-T
cable
PU (RS-485) PU (RS-485)
connector connector
Inverter
For the pin arrangement in the connector,
refer to the connection diagram for one inverter.
Distributor (BMJ-8-28N)
5 5
4 4
3 3
6 6
1 1
2 2
7 7
8 8
5 4 3 6 1 2 7 8
5 4 3 6 1 2 7 8
PU(RJ45)
connector
Inverter
-485-BD, FX -485ADP(-MB):
3U
Distributor
PU (RS-485)
connector
Inverter Inverter
5
4
3
6
1
2
7
8
PU(RJ45)
connector
Inverter
4.8 Connection Diagram
Connect a terminal resistor of

100 , 1/2 W (not supplied) to
the most distant inverter.
Distributor
Connect a terminal resistor of
100 Ω, 1/2 W (not supplied) to
the most distant inverter.
Distributor (BMJ-8-28N)
5
4
3
6
1
2
7
8
5 4 3 6 1 2 7 8
5 4 3 6 1 2 7 8
4 Wiring
5
4
3
6
1
2
7
8