Mitsubishi FX3U-232-BD User Manual page 628

FX Series PLC User's Manual - Data Communication Edition
Remote Maintenance
4. Wiring
This chapter explains the wiring.
4.1 Wiring Procedure
1
Turning OFF the PLC power
Before starting any wiring work, make sure that the PLC power is OFF.
2
Checking the connector shape
When a cable is included with the modem, check the shape of the RS-232C connector in the
personal computer to be connected, the shape of the connector in the communication equipment
operating in accordance with RS-232C for the PLC, and male or female type.
3
Connecting the RS-232C ports in the modem and the PLC with a cable
Check the shape of the connector (number of pins) in the communication equipment operating in
accordance with RS-232C to be connected to the PLC. Each cable has either connector shape:
- 9-pin D-Sub, female
- 25-pin D-Sub, male
4
Connecting the personal computer and the modem with a cable for remote access
Check the shape of the RS-232C connector (number of pins) on the personal computer for remote access.
4.2 Connection Diagram
1. To connect the modem, use a cable included with the modem or cable described in the
modem manual.
Remote access
Personal computer
2. The table below shows the pin arrangement in the communication equipment operating in
accordance with RS-232C for the FX PLC.
FX
0N
25-pin D-Sub, female
13
25
14 1
*1. The FX
2NC
I-18
Cable
Modem
FX -232-BD, FX
1N
-232ADP
FX
—
3
2
20
7
6
-232ADP does not use the CD signal.
Line
general telephone
line, etc.
Modem
-232-BD, FX -232ADP,
2N 2NC
-232-BD, FX -232ADP(-MB)
3U 3U
9-pin D-Sub, male
5
9
6
1
Cable
Signal
Function
name
*1
CD Receiving carrier detection
1
2 RD (RXD) Receive data input
3 SD (TXD) Send data output
4 ER (DTR) Data terminal ready
5 SG (GND) Signal ground
6 DR (DSR) Data set ready
4 Wiring
4.1 Wiring Procedure
PLC