【摘要】 介绍以PC机为上位监控机,智能仪表作为控制机,采用串口通信方式实现上、下位机的信息交换,对实验室提供的多套设备实现分散控制集中管理的小型集散控制系统的设计方法。可以将其推广应用于中小型企业以实现LCA,具有一定的实用价值。更多还原

【Abstract】 This paper introduced the design of a smallscale distributed control system,which realized the dispersion control & centralized management of the laboratory equipment,with personal computer as the upper machine and intelligent instruments as the control machine.The low-cost automation(LCA) could be achieved in small and medium enterprises by use of the system.It has a certain practical value.更多还原