【摘要】 介绍了一种基于共享内存进行数据通信的控制系统的模拟终端,重点阐述了数据通信的基本原理和模拟终端的软硬件设计和实现。该模拟终端的硬件平台采用计算机和PCI-1730 I/O板卡组建,系统软件根据控制系统实际工作的通信机理,读取控制系统共享存储器中的数据,并对其进行处理、显示、存储。试验结果表明,该模拟终端可与控制系统之间实现共享存储器数据通信,达到了预期的目的。更多还原

【Abstract】 A simulation terminal of control system based on shared-memory data communication is introduced.The design of system hardware and software,and basic principle of data communication are presented mainly.The hardware flat of simulation terminal is implemented by using computer and PCI-1730 I/O card.The data of control system is read by simulation terminal software according to communication principle of shared-memory mechanism.The test result shows that data communication effect between simulation terminal and control system is satisfied.更多还原