Mitsubishi Electric MELSEC FX Series User Manual page 35

FX communication
3.4.3 FX -485-BD and FX
2N(1N)
1 ) One-pair Wiring
Terminating
resistor
110Ω
2 ) Two-pair Wiring
Terminating
resistor
330Ω
Terminating
resistor
330Ω
-485-BD
2N(1N)
FX -485-BD,
2N
FX -485-BD
1N
SDA
SDB
RDA
RDB
SG
Class D grounding
FX -485-BD,
2N
FX -485-BD
1N
SDA
SDB
RDA
RDB
SG
Class D grounding
FX -485-BD,
2N
FX -485-BD
1N
SDA
SDB
RDA
Terminating
resistor
110Ω
RDB
SG
FX -485-BD,
2N
FX -485-BD
1N
SDA
Terminating
resistor
330Ω
SDB
RDA
Terminating
resistor
330Ω
RDB
SG
Wiring 3
3
3-11