User`s manual

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