【摘要】 本文概述了具有代表性的化工过程控制中应用较广泛的集散系统,可编程控制器、工业模板机、可编程调节器、DDZ-Ⅲ和DDZ-S型电动单元组合仪表的发展概况,介绍了国内外应用情况,描述了今后发展趋势。更多还原

【Abstract】 In this paper the brief account of developments and applications at home and abroad of some representative plants, which are widely used in chemical process control such, as the DCS, the PC, the industrial mouldboard machine, and the DDZ-Ⅲ and the DDZ-S instrumentation with unit construction are given. Trends in their further developments and applications are described, too.更多还原