E-46
FX Series PLC User's Manual - Data Communication Edition
Inverter Communication
4 Wiring
4.8 Connection Diagram
4.8.5
For F800, A800, F700 and A700 Series (built-in RS-485 terminal)
1. When one inverter is connected
2. When two or more (up to eight) inverters are connected
When adopting branches, perform the wiring as shown below:
Set the terminal resistor switch to the
"100
" side.
Twisted pair cable
(0.3mm
2
or more)
0.3mm
2
or more
R
D
B
1
R
D
A
1
S
D
A
1
S
D
B
1
S
G
Inverter
Terminal resistor: 110
PLC
RDA
RDB
SDA
SDB
SG
FX
3U
-485-BD
FX
3G
-485-BD
FX
3U
-485ADP(-MB)
Class-D
grounding
- FX
3U
-485-BD, FX
3G
-485-BD, FX
3U
-485ADP(-MB):
Set the built-in selector switch.
RDA
RDB
SDA
SDB
SG
S
D
B
2
S
D
B
1
S
G
R
D
B
2
R
D
B
1
S
G
S
D
A
2
S
D
B
2
S
D
B
1
S
D
A
1
S
G
R
D
A
2
R
D
B
2
R
D
B
1
R
D
A
1
S
G
R
D
A
1
R
D
B
1
S
D
B
1
S
D
A
1
S
G
S
D
A
1
S
D
A
2
R
D
A
1
R
D
A
2
FX
3G
-485-BD
FX
3U
-485-BD
FX
3U
-485ADP(-MB)
Terminal resistor: 110
. . . .
0.3mm
2
or more
Class-D
grounding
Class-D
grounding
Class-D
grounding
Inverter
Inverter
Inverter
PLC
Twisted pair cable
(0.3mm
2
or more)
Set the terminal resistor switch
to "100
" in the inverter located
furthest away from the PLC.
- FX
3U
-485-BD, FX
3G
-485-BD, FX
3U
-485ADP(-MB):
Set the built-in selector switch.
Connect them
to SDA and
SDB in PLC.
Connect them
to RDA and
RDB in PLC.
Connect it to
SG in PLC.
Connect them to
RDA1 and RDB1 in
next inverter.
Connect them to
SDA1 and SDB1 in
next inverter.
Connect it to SG in
next inverter.
VCC
RXD
RXD
VCC
TXD
TXD
SG
SG
SG
SG
+ - + -
+ - + -
+ - + -
+ - + -
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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