【摘要】 介绍了药芯焊丝成型机生产线的结构、特点,并提出了一种基于Interbus现场总线和RS485通讯总统的分布式I/O、分布式变频器控制系统结构,深入分析了该系统通讯网络的性能及通讯过程中的时间分配问题,最后给出了PLC程序的软件实现。更多还原

【Abstract】 The article introduces the structure and characters of product line of flux-cored mills And presents a control system structure of decentralized I/O and decentralized transducers based on Interbus fieldbus and RS-485 communication bus , analyses the communication network’s performance of the system and the problem of time sequence in communication, a software implementation is presented at last.更多还原