描述
ABB Infi 90是ABB贝利公司推出的一款分散控制系统（DCS），在工业自动化领域应用广泛。以下是其详细介绍：
系统结构
通信网络：采用10MHz的环形网作为系统网络，称为INFI-NET，通信方式采用“存储-转发”的环状通信方式，每个环可以挂接250个节点。在INFI-NET的下层是总线型的Control-way网络，该网络具有1MHz的通信速率，可挂接32个设备，即INFI-90的控制模件MFP。
节点类型：主要包括过程控制单元（PCU）、人－系统接口（HSI）、工程师工作站（EWS）、计算机接口单元（ICI）和网络桥（IIL）等，其中PCU包括控制器、I/O模件、端子单元和电源系统等硬件。
主要组成部分
操作员接口站（OIS）：完成流程图显示、操作、管理、存储数据等功能，提供画面显示、图形显示、趋势显示、报警显示等显示功能，以及数据存储与管理、系统操作等功能。
工程师工作站（EWS）：对现场进行监视，同时提供对INFI-90的过程控制单元、OIS、网络通信系统等进行组态的功能。
多功能处理器（MFP）：是INFI-90系统适应过程控制的核心模件，能完成回路控制、顺序控制等功能，可实现1：1冗余，通过子总线与各种I/O子模件相连接。
模拟量输入子模件（FBS）：专门处理模拟量输入的智能模件，对热电偶、热阻、mV信号的A/D转换采用16位高分辨率电路，对线性化补偿采用五级多项式运算方法。
产品特点
功能强大：其控制模件是先进的多功能处理器，可以控制上百个回路，监视上千个过程变量，实现多任务的控制方式。
灵活性高：全面的模件化结构，使系统能够灵活地满足用户的各种形式的需要，用户可以根据自己的需求组成、扩展和改造系统。
通讯高效：通讯高速通道控制网络以10M波特的速度在62,500个节点之间传递信息，信息以例外报告的形式传送到系统的各个角落，极大地提高了通讯效率。
应用领域
电力行业：可用于火力发电厂、水电站、核电站等的控制系统，实现对锅炉、汽轮机、发电机等设备的控制与监测。
石油化工行业：在石油开采、炼制，化工生产等过程中，用于控制反应釜、蒸馏塔、管道输送等生产过程，精确调节温度、压力、流量等参数。
其他行业：还覆盖了冶金、建材、轻工、食品加工、环境保护和船舶等众多工业行业。
ABB Infi-90 is a distributed control system(DCS)launched by ABB Bailey,widely used in industrial automation.The following is a detailed description:
System Architecture
Communication Network:A 10MHz ring network,called INFI-NET,is used as the system network.Communication adopts a store-and-forward ring communication method,with each ring supporting up to 250 nodes.Beneath INFI-NET is a bus-type Control-way network with a 1MHz communication rate and support for 32 devices,namely the INFI-90’s control modules(MFPs).
Node Types:Primarily include the Process Control Unit(PCU),Human-System Interface(HSI),Engineer Workstation(EWS),Computer Interface Unit(ICI),and Network Bridge(IIL).The PCU includes hardware such as the controller,I/O modules,terminal units,and power supply system.Main Components
Operator Interface Station(OIS):Performs flow chart display,operation,management,and data storage.It provides display functions such as screen display,graphic display,trend display,and alarm display,as well as data storage and management,and system operation.
Engineer Workstation(EWS):Monitors the field and provides configuration functions for the INFI-90 process control unit,OIS,and network communication system.
Multi-Function Processor(MFP):The core module of the INFI-90 system for adaptive process control.It performs loop control and sequence control functions,provides 1:1 redundancy,and connects to various I/O submodules via a subbus.
Analog Input Submodule(FBS):An intelligent module dedicated to analog input processing.It utilizes 16-bit high-resolution circuitry for A/D conversion of thermocouple,thermistor,and mV signals,and employs a fifth-order polynomial algorithm for linearization compensation.Product Features
Powerful Functionality:Its control module is an advanced multi-functional processor capable of controlling hundreds of loops,monitoring thousands of process variables,and implementing multi-tasking control.
Flexibility:The fully modular architecture enables the system to flexibly meet diverse user needs,allowing users to configure,expand,and modify the system to meet their specific requirements.
Efficient Communication:The high-speed communication channel control network transmits information between 62,500 nodes at a speed of 10 Mbps.This information is transmitted to every corner of the system in the form of exception reports,greatly improving communication efficiency.
Applications
Power Industry:It can be used in control systems for thermal power plants,hydropower plants,nuclear power plants,and other equipment to control and monitor boilers,steam turbines,generators,and other equipment.
Petrochemical Industry:It is used to control reactors,distillation towers,pipeline transportation,and other production processes in oil extraction,refining,and chemical production,precisely adjusting parameters such as temperature,pressure,and flow.
Other Industries:It also covers a wide range of industrial sectors,including metallurgy,building materials,light industry,food processing,environmental protection,and shipbuilding.
ABB Model: GBU72 3BHE055094R0002 Model: 3BHE055094R0002 GBU72 Model: GBU72 Model: 3BHE055094R0002 Model: 3BHE031197R0001 Model: 3BHB030310R0001 Model: 73BHE055094R0002 GBU72 Model: 73BHE055094R0002 Model: GBU72 Model: ABB PCS6000 PRODUCT FAMLIY ABB 5SHY4045L0006 3BHB030310R0001 3BHE039203R0101 GVC736CE101
