国产化CO_2烟丝膨胀生产线控制系统

Homemade CO2 Cut Tobacco Expansion Production Line Control System

该控制系统采用集散控制技术，实现了分散控制、集中监视和管理的工作模式。与其它控制设备相比，增强了操作、监视机能，画面丰富，能实现许多画面的“一触式”展开。增加了ＢＡＳＩＣ机能，具有报表打印及与上位机系统通讯的能力。增加了系统维护机能，具有自诊断功能。模拟信号的控制与监视由具有输入输出处理、补偿、运算、报警检查等机能的内部仪表实现。开关量的控制程序以顺序表的形式记述。按控制要求，在顺序表的条件信号、操作信号栏内填上Ｙ或Ｎ即可。

This system adopt DCS,that is distributed control system .Compared with the other control system,it enhances operation,monitoring and comprehensive operating screens.These operation screens can be opened by only one touch .There is BASIC inside.It has the function of printing out,communication with host computer,selfdiagnostics.Analog signal can be pretreated by internal instrument,including be operated,compensated ,checked for alarm,ect..Digital control can be programmed by sequence sheet,in witch just filled Y or N according to requirement.The sequence control tasks are performed by executing the sequence sheet.