摘要
介绍了上位机与PLC通讯系统的组成、基本原理以及通讯协议,详细讨论了基于VC++的上位机与欧姆龙(Omron)PLC实时通讯系统的具体实现过程,并在槽式清洗设备中进行了应用,实践表明,这种通讯系统经济可靠,性价比高,简单易行。
This paper introduces the composition, fundamental principles and communication protocol of the communication system between host-computer and PLC, and the realization of communication system between host-computer and OMRON PLC based on VC ＋＋ is discussed in detail, which is applied in the Tank Cleaning Equipment. The result indicates that the communication system is economical, credible, simple, and practicable.
出处
《电子工业专用设备》
2015年第8期19-23,共5页
Equipment for Electronic Products Manufacturing
关键词
上位机
PLC
通讯
Host-computer
PLC
Communication
