Using Rs-232C Interface; Using Rs Instruction Or Computer Link - Mitsubishi Electric MELSEC FX Series User Manual

FX communication
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
Signal FX
name FX
FG
RD(RXD)
SD(TXD)
ER(DTR)
SG(GND)
DR(DSR)
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
Signal FX
name FX
FG
CD(DCD)
RD(RXD)
SD(TXD)
ER(DTR)
SG(GND)
DR(DSR)
Note;
The FX -232ADP and FX
0N
3 ) Computer link
Please refer to 2.2.1 1) for wiring.
Programmable Controller Side
-232-BD FX - FX -
2N 2NC 0N
-232-BD 232ADP 232ADP
1N
-
2
3
4
5
6
Programmable Controller Side
-232-BD FX - FX -
2N 2NC 0N
-232-BD 232ADP 232ADP
1N
-
1 -
2
3
4
5
6
-232ADP does not monitor the CD pin (pin8).
2NC
Uses CS, RS
FX- Signal
9-pin
232ADP name
D-SUB
1 FG
3 RD(RXD)
2 SD(TXD)
20 RSRTS)
7 SG(GND)
6 CS(CTS)
Uses CS, RS
FX- Signal
9-pin
232ADP name
D-SUB
1 FG
8 CD(DCD)
3 RD(RXD)
2 SD(TXD)
20 RS(RTS)
7 SG(GND)
6 CS(CTS)
RS-232C Device Side
Uses DR, ER
Signal
25-pin 9-pin D-
name
D-SUB SUB
- 1 FG -
2 3 RD(RXD) 2
3 2 SD(TXD) 3
7 4 ER(DTR) 4
5 7 SG(GND) 5
8 5 DR(DSR) 6
RS-232C Device Side
Uses DR, ER
Signal
25-pin 9-pin
name
D-SUB D-SUB
- 1 FG -
1 8 FG 1
2 3 RD(RXD) 2
3 2 SD(TXD) 3
7 4 ER(DTR) 4
5 7 SG(GND) 5
8 5 DR(DSR) 6
Wiring 3
3
25-pin
D-SUB
1
3
2
20
7
6
25-pin
D-SUB
1
8
3
2
20
7
6
3-3