仪表培训_-_Part_5_-_数字控制系统要点解析.pptVIP

Draft 1 Draft 2 仪表培训 PART 5 : 数字控制系统 DISCLAIMER The information contained in this document has been prepared by L’Air Liquide S.A. and/or its controlled subsidiaries (“Air Liquide”), exclusively for their use, and is Air Liquide property. Air Liquide believes the information is current and accurate, but circumstances may warrant additional requirements or procedures. This document is subject to periodic review and users are cautioned to obtain the latest edition. Air Liquide makes no representations or warranties to third parties as to the quality, accuracy or completeness of information contained in this document and EXPRESSLY DISCLAIMS ALL WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE WARRANTY OF MERCHANTABILITY AND THE WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE. No part of this document may be copied or otherwise shown or disclosed to third parties without the prior consent of Air Liquide. Unauthorized use of this document by any third Party, including Air Liquide contractors and subcontractors, shall be at such Party’s own risk, and Air Liquide assumes no liability in connection with information contained herein. Air Liquide disclaims any liability for any damage suffered by any company or person as a result of or in connection with the use, application or implementation of the information contained herein or any part thereof. The benefit of this disclaimer shall inure to Air Liquide and its affiliates. This document should not be confused with federal, state, provincial, or municipal specifications or regulations, insurance requirements or national safety codes. 数字控制系统 1. 定义 2. 职能 3. 数字控制系统-监控系统的核心 4. “MODIN”结构 MODIN的主要优点 5. 地面网络或现场总线网 The world leader in industrial and medical gases DIIGI - Corporate Industrial Department, Large Industries 定义 职能 数字控制系统-监控系统 “MODIN”的结构 地面网络或现场总线网 过滤桶底部总线 调节阀 程序 调节器 程序参数 操作者控制 动力元素 压力变送器 温度差压探头变送器 分析仪表等 指示器的测量信号 调节阀的调控 控制 位置的获取 开/关的重复 开/关的命令 调节 信息列表 监控自动化 参数显示 位置清单 操纵界面 信息不足 顺序自动化 工作运行信息 参数调整 紧急停止命令及启动命令 触发警报 程序开启命令