S7-200 PLC与耀华称重显示器的通信研究  

Research on the Communication of S7-200 PLC and Yao Hua Weighing Displayer

作　　者：霍俊仪[1] 李德雄[1] 韩晓雷[1] 

机构地区：[1]石家庄铁路职业技术学院,河北石家庄050041

出　　处：《石家庄铁路职业技术学院学报》2016年第3期60-64,共5页Journal of Shijiazhuang Institute of Railway Technology

摘　　要：以S7-200 PLC采集耀华称重显示器的重量数据为例,介绍S7-200 PLC和称重显示器之间如何实现基于自由口的串口通信,并在实训教学过程中得到良好的应用,该应用对于S7-200 PLC与其他仪表进行串口通信具有借鉴意义。Taking the Communication of S7-200 PLC and Yaohua Weighing Displayer as an example, this paper describes the implementation method of PLC and Weighing Displayer by free port communication. The communication control system has been applied well in teaching practice. This method has significance for the free port communication of S7-200 PLC and other meters.

关 键 词：PLC S7-200 称重显示器 RS485 自由口通信 

分 类 号：TP23[自动化与计算机技术—检测技术与自动化装置]