Mitsubishi Electric MELSEC FX Series - Using RS-232 C Interface; Using RS Instruction or Computer Link

FX communication
Wiring 3
3-3
3
3.2 Using RS-232C Interface
Below is a typical wiring example. Please wire similar to the following pin name, when a pin
number on the side of a counterpart machine differs.
3.2.1 Using RS Instruction or Computer Link
1 ) Terminal specification device
Note;
When using ER and DR signals, please also check if RS and CS signals are needed according to
the RS-232C device specifications.
2 ) Modem specification device
Note;
The FX
0N
-232ADP and FX
2NC
-232ADP does not monitor the CD pin (pin8).
3 ) Computer link
Please refer to 2.2.1 1) for wiring.
RS-232C Device Side
Signal
name
FG
RD(RXD)
SD(TXD)
RSRTS)
SG(GND)
CS(CTS)
Uses CS, RS
-
2
3
7
5
8
9-pin
D-SUB
25-pin
D-SUB
1
3
2
4
7
5
Uses DR, ER
9-pin D-
SUB
25-pin
D-SUB
-
2
3
4
5
6
1
3
2
20
7
6
Signal
name
FG
RD(RXD)
SD(TXD)
ER(DTR)
SG(GND)
DR(DSR)
Programmable Controller Side
Signal
name
FX
0N
-
232ADP
FX-
232ADP
- 1
RD(RXD)
SD(TXD)
FG
ER(DTR)
SG(GND)
DR(DSR)
FX
2N
-232-BD
FX
1N
-232-BD
2
3
4
5
6
3
2
20
7
6
FX
2NC
-
232ADP
Programmable Controller Side
FX
2NC
-
232ADP
FX-
232ADP
- 1
RS-232C Device Side
Uses CS, RS Uses DR, ER
- 8
Signal
name
FG
RD(RXD)
SD(TXD)
ER(DTR)
SG(GND)
DR(DSR)
CD(DCD)
FX
2N
-232-BD
FX
1N
-232-BD
1
FX
0N
-
232ADP
3
2
20
7
6
Signal
name
FG
RD(RXD)
SD(TXD)
RS(RTS)
SG(GND)
CS(CTS)
CD(DCD)
-
2
3
7
5
8
9-pin
D-SUB
1
25-pin
D-SUB
1
3
2
4
7
5
8
Signal
name
FG
RD(RXD)
SD(TXD)
ER(DTR)
SG(GND)
DR(DSR)
FG
9-pin
D-SUB
-
2
3
4
5
6
1
25-pin
D-SUB
1
3
2
20
7
6
8
2
3
4
5
6