【摘要】 介绍了在气垫式流浆箱控制系统中应用西门子PLCS7- 2 0 0和VB作控制系统的软件编程和组态工具 ,并且阐述了总压和浆位的解耦控制算法 ,介绍了上位机与S7- 2 0 0的自由通讯程序 ,系统在实际应用中得到检验 ,运行良好。更多还原

【Abstract】 Semens’ PLC S7-200 and VB are used as software programming tool of control system in air cushion head box, decoupling control arithmetic of total pressure and pulp level is explained. Free communication program between S7-200 and the up stream unit is introduced. The application of the control system is examined in practice and it runs very well.更多还原