6
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137
CHAPTER6 FUNCTIONS
1
2
3
4
5
6
7
8
6.24 Ser
ial Commu
nication Function
(b) RS-232 connector specifications
Table6.42 shows the specifications of the RS-232 connector for the CPU module.
(c) RS-232 cable
The following RS-232 cable can be used for connection of the CPU module to the personal computer or HMI.
• QC30R2 (cable length: 3m)
• CH-M096234-*** (manufactured by CHUGAI Co., Ltd.)
Cable with a Mini-DIN connector on one side and without connector on the other side
*** indicates a cable length, which can be lengthened up to 15m in units of 0.1m.
To fix the RS-232 cable to the CPU module, the use of the RS-232 connector disconnection prevention holder (Q6HLD-R2)
is recommended. For the Q6HLD-R2, refer to the following.
Q6HLD-R2 Type RS-232 Connector Disconnection Prevention Holder User's Manual
Table6.42 RS-232 connector specifications
Appearance
Pin number
Signal
Signal Name
1
RD(RXD)
Receive data
2
SD(TXD)
Send data
3
SG
Signal ground
4
-
-
5
DR(DSR)
Data set ready
6
ER(DTR)
Data terminal ready
Pin number
1
2
3
4
5
6
Metal shell
Signal
RD
SD
SG
-
DR
ER
Wire core
Red
Black
Green/
White
-
Yellow
Brown
Shield
Figure 6.93 Effective length and signal layout of RS-232 cable
Mini-Din
6 pins
(female)
3
2
6
4
5
1
(CPU module side)
CH-M096234-***
Effective length
3
2
6
5
1
4
Signal layout of the
CH-M096234-*** connector
on CPU module side
Q6HLD-R2
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