摘要
本文以密封元件试验台控制系统为例 ,采用自由通讯口实现了PC机与PLC之间的通讯 ,介绍了通讯协议 ,并给出了部分程序源代码。
Based on the control system of the multiform se al s tested-bed,the method was introduced for how to use the PLC’s fr ee port to achieve the communication between PC and PLC.The protocol of the comm unication was discussed,and a part of source code was provided.
出处
《机床与液压》
北大核心
2004年第12期137-138,124,共3页
Machine Tool & Hydraulics
