摘要
通过实例介绍了一种基于MODBUS协议的西门子S7-300系列PLC与数字智能仪表间的通信方式及其设计与实现过程。实践证明,该通信方式简单可靠,效费比较高,具有一定的推广价值。
This paper introduces a way of communication between Siemens S7-300 class PLC and intelligent instruments based on MODBUS and its designing and applying process.This way of communication is proved to be simple,credible,and valuable in application area,and is worth to be widely popularized.
出处
《工业控制计算机》
2007年第7期21-22,共2页
Industrial Control Computer