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CHAPTER6 FUNCTIONS
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6.24 Serial Communication 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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