Mitsubishi FX3U-422-BD - Connection Diagram

I-21
FX Series PLC User's Manual - Data Communication Edition
Remote Maintenance
4 Wiring
4.2 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
4.2 Connection Diagram
1. To connect the modem, use a cable included with the modem or cable described in the
modem manual.
2. The table below shows the pin arrangement in the communication equipment operating in
accordance with RS-232C for the FX PLC.
*1. The FX2NC-232ADP does not use the CD signal.
FX0N-232ADP
FX 1N -232-BD, FX 2N -232-BD, FX 2NC -232ADP,
FX
3G -232-BD, FX 3U -232-BD,
FX
3U -232ADP(-MB)
Signal
name
Function
25-pin D-Sub, female 9-pin D-Sub, male
—
1
*1
CD Receiving carrier detection
32
RD (RXD) Receive data input
23
SD (TXD) Send data output
20 4
ER (DTR) Data terminal ready
75
SG (GND) Signal ground
66
DR (DSR) Data set ready
Remote access
Personal computer
Cable
Modem
Modem
Line
general telephone
line, etc.
Cable
PLC
25
13
1
14
5
1
9
6