1。触摸屏COM2与FX2N的连接线
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HMI-COM port--------CABLE----PLC-COM port
TXD+ 14-----------------------------2 TXD+
TDX- 15-------------------------------1 TXD-
RXD+ 16------------------------------7 RXD+
RXD- 17--------------------------------4 RXD-
2。触摸屏COM1与FX2N的连接线
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HMI-COM port-------CABLE------PLC-COM port
TXD+ 1-----------------------------------------2 TXD+
TXD- 6------------------------------------------1 TDX-
RXD+ 4----------------------------------------7 RXD+
RXD- 9-----------------------------------------4 RXD-
3。电脑串口号触摸屏COM2的连接线
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HMI-COM port-----CABLE--------电脑RS232
RXD 3-------------------------------------------------3 SD
TXD 2-------------------------------------------------2 RD
GND 7-----------------------------------------------5 SG
RTX 4 8 CTS和
和CTX 5 7 RTS短接
短接
6 DSR和1 CD和4DTR
短接
注:PLC端8针针脚
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