摘要
用VisualC + +和MFC开发了上位机和PLC的通讯系统 ,给出了系统的通讯原理和软件设计方法。运行结果表明 ,此方法简单、稳定。
Using Visual C++ and MFC, we develop the communication system between host computer and PLC. Its communication principle and software design method are given in the paper. The result shows that this method is simple, reliable and has an application value.
出处
《青岛科技大学学报(自然科学版)》
CAS
2004年第4期354-357,共4页
Journal of Qingdao University of Science and Technology:Natural Science Edition