兄弟好。觸摸屏PWS6700T與三菱PLC連線是不是這樣接的，請大家參考一下，   觸摸屏端25針母-----TXD14------------2 RXD      8針公PLC端
                                                                                                                                                                                       TXD15 ----------1 RXD      
                                                                                                                                                                                       RXD16 ------------7 TXD
                                                                                                                                                                                        RXD17------------4 TXD
                  17和21是連起來                                                                                                                                                21                3 SG