C-27
FX Series PLC User's Manual - Data Communication Edition
Parallel Link
4 Wiring
4.3 Connection Diagram
A
Common Items
B
N:N Network
C
Parallel Link
D
Computer Link
E
Inverter
Communication
F
Non-Protocol
Communication
(RS/RS2 Instruction)
G
Non-Protocol
Communication
(FX
2N
-232IF)
H
Programming
Communication
I
Remote
Maintenance
Apx.
Discontinued
models
4.3.2 For FX1S, FX1N, FX1NC, FX2N and FX2NC PLCs
1. In the case of one-pair wiring
2. In the case of two-pair wiring
Class-D grounding (resistance: 100
Ω
or less)
*1
SDA
SDB
RDA
RDB
SG
FX
2NC
-485ADP
FX
2N
-485-BD
FX
1N
-485-BD
SDA
SDB
RDA
RDB
SG
Terminal
resistor
110
Ω
FX
0N
-485ADP
SDA
SDB
RDA
RDB
LINK
SG
FG
*2
Terminal
resistor
110
Ω
FX
2N
-485-BD
FX
1N
-485-BD
SDA
SDB
RDA
RDB
SG
SDA
SDB
RDA
RDB
SG
FX
2NC
-485ADP FX
0N
-485ADP
SDA
SDB
RDA
RDB
LINK
SG
FG
*1 Make sure to perform Class-D grounding to the shield of a twisted pair cable connected to the FX
2N
-485-BD, FX
1N
-485-BD or
FX
2NC
-485-ADP.
*2 Make sure to connect the terminal to the (grounding) terminal in the PLC requiring Class-D grounding.
If the grounding terminal is not provided in the PLC, perform Class-D grounding directly.
FG
Class-D grounding (resistance: 100
Ω
or less)
*1
SDA
SDB
RDA
RDB
SG
FX
2NC
-485ADP
FX
2N
-485-BD
FX
1N
-485-BD
SDA
SDB
RDA
RDB
SG
SDA
SDB
RDA
RDB
SG
FX
2NC
-485ADP FX
0N
-485ADP
SDA
SDB
RDA
RDB
LINK
SG
FG
*2
FX
2N
-485-BD
FX
1N
-485-BD
SDA
SDB
RDA
RDB
SG
FX
0N
-485ADP
SDA
SDB
RDA
RDB
LINK
SG
FG
Terminal
resistor
330
Ω
×
2
Terminal
resistor
330
Ω
×
2
*1 Make sure to perform Class-D grounding to the shield of a twisted pair cable connected to the FX
2N
-485-BD, FX
1N
-485-BD or
FX
2NC
-485-ADP.
*2 Make sure to connect the terminal to the (grounding) terminal in the PLC requiring Class-D grounding.
If the grounding terminal is not provided in the PLC, perform Class-D grounding directly.
FG