摘要
为了提高机械制造系统自动化和智能化水平,对由多台小型PLC组成的网络在处理多控制任务时各个PLC之间的数据交换问题进行了研究,并介绍了PLC控制系统中一种实用的N:N网络数据传输方法、编程技巧和应用注意事项。
In order to improve the machinery manufacturing automation systems and intelligent level, it studies a network of control tasks for data exchange between various PLC platforms by more than one small PLC. It introduces PLC control system in a practical N ： N network data transmission methods, techniques and application programming note.
