实时网络通信系统的分析和设计

【摘要】 文中深入分析了集散控制系统(DCS)的网络通信原理和通信协议,针对DCS对实时性、稳定性和可靠性的特殊要求,提出了过程控制领域网络通信系统的设计方法,介绍了通信卡的设计、介质访问控制、通信命令的构成以及通信数据访问模式。更多还原

【Abstract】 A throug h analysis of network communication principle and communication protocol of distributed control system(DCS),with the hig h deg ree in real-time,stability and reliability of DCS,present the network desig n tech-nique in process control field,introduce the desig n of network interface card (NIC),media access and control,the composing of communication command and the access mode of the communication data.更多还原