利用上位机与PLC之间的串行通信实现现场数据的采集

Using Serial Communication between Host-computer and PLC to Realize the Collection of Spot Datas

本文介绍Visual Basic 6.0与OMRON-C200HE之间的通信规约,相应的硬件设计,并如何利用两者结合进行现场数据的采集。

This article introduces the design of communication's stipulations of an agreement and corresponding hardware between Vtsual Basic 6.0 and OMRON-C200HE module,it also introduces how to use them to collect spot datas.