The construction of control system has developed from the initial generation of CCS (Computer Centralized Control System) and the secondary generation of DCS (Distributor Control System) to popular FCS (Field Control System) up to now.

• 控制系统的结构从最初的CCS(计算机集中控制系统),到第二代的DCS(集散控制系统),发展到现在流行的FCS(现场总线控制系统)。