B&R PCC与触摸屏基于Modbus协议的串口通信

The Communication Based on Modbus Protocol between B&R PCC and Touch Screen

讨论了实现可编程计算机控制器(PCC)与WEINVIEW触摸屏Modbus串口通信的端口连接、触摸屏的系统参数配置,以及PCC的Modbus通信程序.解决了PCC与其它厂家品牌的触摸屏通信不兼容问题,且数据传输稳定可靠,易于实现.

A communication method based on Modbus protocol between PCC and no- B＆R＇s touch panel is introduced. All of the hardware connection and software design are given. This method is effective to build a serial communication between different kind of intelligent equipments.