Wiring - Mitsubishi Electric FX3U-232-BD User Manual

FX Series PLC User's Manual - Data Communication Edition
Non-Protocol Communication (FX
4.

Wiring

This chapter explains the wiring.
4.1 Pin Arrangement
The table below shows the pin arrangement of the 232IF.
Example of applicable connector: 17JE-13090-02 (D8C2) by DDK Ltd.
5
9
4
8
3
7
2
6
1
4.2 Connection to External Equipment with Terminal Specifications
(without Control Line)
BFM # 0 (communication format): b9 = 0, b8 = 0 (control line not provided)
PLC side
Name FX -232IF
2N
3
SD(TXD)
2
RD(RXD)
5
SG(GND)
G-12
-232IF)
2N
Pin No.
Pin
1
2
3
4
5
6
#4-40UNC
inch screw
7
8
9
RS-232C external equipment side
Name
9-pin D-Sub 25-pin D-Sub
3
SD(TXD)
2
RD(RXD)
5
SG(GND)
Signal
Function
name
CD(DCD) Carrier detection
Receive data
RD(RXD)
(with LED indicator)
Send data
SD(TXD)
(with LED indicator)
ER(DTR) Data terminal ready
SG(GND) Signal ground
DR(DSR) Data set ready
Sending request
RS(RTS)
(receiving enable)
CS(CTS) Sending enable
CI(RI) Calling indicator
*1.The signal inside ( ) is adopted in the interlink connection mode.
2
3
7
4.1 Pin Arrangement
Signal direction 232IF:
External equipment
 




—


*1


4 Wiring