Справочник Пользователя для Mitsubishi Electronics C6/C64

 
 

I - 34 

The SIO connector is used to connect the RS-232C device (serial I/O). 
The F310 and F311 relay cables are required to connect the RS-232C cable. (Refer to the CABLE 
MANUFACTURING DRAWINGS for details.) 

 

SIO 

LED1 

Control unit 

1

 

10

 

11

 

20

 

SIO 

connector 

pin No.

 

F311 cable

F310 cable

RS-232C relay

or

RS-232C/RS-422

(For GPP)relay 

RS-232C device

MELSEC perfipheral device connection connector
(Note) When connecting GPP with RS-232C, use 

a conversion cable, and connect to the 
TERMINAL connector.

 

Cabinet side wall

The specifications of the cross cable are shown below. 

Cross cable connection

For DC code control

Panel relay 

connector side

RS-232C  

device side 

1  GND
2  TXD
3  RXD

1  GND 
2  TXD 
3  RXD 

4  RTS 
5  CTS 
6  DSR 

20  DTR 

7  GND 

1  GND 
2  TXD 
3  RXD 

4  RTS 
5  CTS 
6  DSR 

20  DTR 

7  GND 

1  GND
2  TXD
3  RXD

4  RTS
5  CTS
6  DSR

20  DTR

7  GND

6  DSR

20  DTR

7  GND

For RS/CS code control

RS-232C 

device side 

Recommended adaptive connector 
Connector  : HDBB-25PF(05)(Hirose Electric) 
Case 

: HDB-CTF(Hirose Electric) 

• Do not connect anything to the open pins.   
• Keep the total cable length at 15m or less. 

Cross cable

Cross cable

Maximum cable length：15m

RS

232C

RS

422

Panel relay 

connector side

 

 

  Incorrect connections could cause device damage, so always connect the cables to the 

 

 

  Separate the signal wire from the drive line/power line when wiring.