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(二) 系统详细设计 1、计测方法及操作方法的设计为了进行工艺控制和作业控制而进行数据的收集工作须要进行下列方面的设计项目:(1)测定点的选定。(2)测定方法的决定。(3)控制回路的仪器设计。(4)信号技术条件及回路设计。这些除了依据工艺监视和控制等进行外,还要考虑到质量管理、安全管理、作业管理等管理内容来进行仪表安全方法的设计。为了充分发挥系统的机能,还应按下列原则进行仪表室(中控室)机能的设计。(1)能发出各项工艺操作的指令。(2)能进行各工艺装置的开停和组织全面停车。
(B) the detailed design of the system 1, the design of measurement methods and methods of operation In order to process control and job control data collection need to carry out the following aspects of the design project: (1) the choice of measurement points. (2) Determination of the method of determination. (3) control loop instrumentation. (4) signal technology and circuit design. These in addition to process monitoring and control, etc., but also to take into account the quality management, safety management, job management and other management content for instrumentation safety method design. In order to give full play to the function of the system, the function of the instrument room (central control room) should be designed according to the following principles. (1) can issue instructions for various process operations. (2) can carry out the opening and closing of each process unit and organize a full stop.