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2.5 Connection Cable
2.5.2 Connecting to serial communication module or computer link module
2 - 23
2 Connecting to serial communication module or computer link module communicating
with QnACPU, ACPU, or motion controller CPU (A series)
(1) When using an RS-232 cable
(a) Using the product of Mitsubishi Erectric make.
(b) When using an RS-232 cable prerared by user
The cable connection diagrams are indicated below.
For QnA Series (large-scale QC24(N))
* DC code control or DTR/DSR control is enabled by connecting the QC24 (N) to an external device as shown
above.
* DC code control or DTR/DSR control is enabled by connecting the QC24 (N) to an external device as shown
above.
RS-232 cable
1) Example of connection to an external device that allows the CD signal (No.8 pin) to be turned ON/OFF
Serial communication
module side
Cable Connection and Signal Direction
(Connection example for full duplex/half duplex communication)
GT SoftGOT1000 (Personal
computer) side
Signal code Pin No. Signal code
FG 1 FG
SD (TXD) 2 SD (TXD)
RD (RXD) 3 RD (RXD)
RS 4 RS
CS (CTS) 5 CS (CTS)
DSR (DR) 6 DSR (DR)
SG 7 SG
CD 8 CD
DTR (ER) 20 DTR (ER)
2) Example of connection to an external device that does not allow the CD signal (No. 8 pin) to be turned
ON/OFF
Serial communication
module side
Cable Connection and Signal Direction
(Connection example for full duplex communication)
GT SoftGOT1000 (Personal
computer) side
Signal code Pin No. Signal code
FG 1 FG
SD (TXD) 2 SD (TXD)
RD (RXD) 3 RD (RXD)
RS 4 RS
CS (CTS) 5 CS (CTS)
DSR (DR) 6 DSR (DR)
SG 7 SG
CD 8 CD
DTR (ER) 20 DTR (ER)
AC30N2A
(For personal computer side 25 pin D-sub connector