A:①所有触摸屏均支持RS232通讯,DB9引脚号分别为:2-RXD,3-TXD,5-GND。
②除TG765-XT-C、TG765S-XT其余型号均支持485,且DB9引脚号分别为:4-A,7-B。
③除TG765-XT-C、TG765S-XT其余型号均支持422,且DB9引脚号分别为:1-TD+,6-TD-,8-RD-,9-RD+,5-GND。
④触摸屏DB9针脚定义分别为:
PLC通讯口引脚定义:
![Q:哪款触摸屏支持RS232/485/422通讯,如何接线?](https://college.xinje.net/wp-content/themes/justnews/themer/assets/images/lazy.png)
Download通讯口引脚定义:
![Q:哪款触摸屏支持RS232/485/422通讯,如何接线?](https://college.xinje.net/wp-content/themes/justnews/themer/assets/images/lazy.png)
⑤接线方式:
![Q:哪款触摸屏支持RS232/485/422通讯,如何接线?](https://college.xinje.net/wp-content/themes/justnews/themer/assets/images/lazy.png)
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