Rs-232 Cabling - Mitsubishi Electric MELSEC Q Series User Manual

8.7.4

RS-232 cabling

Described in this section are the specifications and wiring of compatible RS-232 cables.
(1) RS-232 connector
RS-232 connector is located at the bottom of the module.
RS-232 connector
(a) When 9-pin D-sub connector is used
To use a 9-pin D-sub connector RS-232 cable, use an optional RS-232 conversion connector cable.
RS-232 conversion cable
(Round connector  9-pin D-sub connector)
Use the following product as a connection cable connector.
Connector type
D-sub connector
(Solder-connection type)
Specifications of fixing screws are as follows:
• Connector fitting screw
• Tightening torque ranges : 0.206 to 0.39N • m
The table below shows the connector pin positions and signal direction.
Pin No. Mnemonic
1 CD(DCD) Data Carrier Detect
2 RD(RXD) Received Data
3 SD(TXD) Transmitted Data
4 ER(DTR) Data Terminal Ready
5 SG Signal Ground
6 DR(DSR) Data Set Ready
7 RS(RTS) Request To Send
8 CS(CTS) Clear To Send
9 CI(RI) Ring Indicator
10 SG Signal Ground
132
Peripheral device
Cable model
: M2.6 (user-prepared)
Signal name
Connection destination
Maker name
Mitsubishi Electric Corporation
Maker name
DDK Ltd.
(www.ddknet.co.jp/English/index.html)
C controller module
4
8
1
5
2
9
6
10
3
7
Model name
Q12DCCPU-CBL
Model name
17JE-23090-02 (D8A)(-CG)
Q12DCCPU-CBL
Signal
RS-232 device
direction
side



1

2
-
3

4

5


-
6
7
8
9