NFAI841-S00_长欣工业

NFAI841-S00 降低工厂的总体拥有成本基于DCS或PLC的系统的组件，以了解它们到底有多不同（或相似）。两者都包括现场设备、输入/输出模块、控制器、人机界面（HMI）、工程、监控和业务集成当你考虑应用程序的组成时，这是显而易见的。在DCS体系结构图中，I/O、控制器、网络和HMI服务器采用了冗余。自从冗余增加了成本和复杂性，DCS用户必须仔细评估他们对冗余的需求，以实现所需的系统可用性并防止计划外停机。
PLC的工厂自动化应用程序涉及特定物品的制造和/或组装——“物品”。这些应用程序可以使用一台或多台机器以及从一台机器到另一台机器的相当数量的材料移动。这种类型的特征过程是操作员可以在“东西”通过生产线的过程中对其进行监控。从本质上讲，这个过程是非常逻辑控制密集型，通常具有高速要求。这种类型的过程由PLC和人机接口控制（HMI）组合。过程自动化应用涉及通过组分或引入物理变化来生产一种新的、不同的产品——“东西”。这些应用程序可能由一个或管道连接在一起的多个工艺单元操作。一个特点是操作员看不到产品。通常举行在船舶内，并且可能具有危险性质。通常有大量简单到复杂的模拟控制，尽管响应时间不是那么快（100ms或更大）。这种类型的过程通常由DCS控制，尽管模拟PLC的控制能力可能是足够的。选择过程中的一个决定因素通常是控件的大小应用程序（例如，整个工厂与单个单元和I/O点的数量）。也可能存在顺序（或批量）控制需求。PLC可以有效地用于“简单”的批处理应用，而分布式控制系统通常更适合于需要高度灵活性和配方的“复杂”批量生产设施经营同样，批处理应用程序的要求决定了它是“简单的”还是“复杂的。
NFAI841-S00 降低工厂的总体拥有成本

各品牌DCS;PLC停产备件模块

●ABB:工业机器人备件5SHY/5SHX,PFSK,PFTL,pp,pm,DSQC系列,

Bailey(贝利) INFI 90等。如:PFSK164/PFTL101B 20KN/5SHY3545L0010/PM645B/pp836

●GE FAMUC发那科:IC698/IC697/IS200/DS200/IS215全系列PLC系统、模块、卡件、驱动器等各类备件。如:IS215UCVGM06A/SR489-P5-HI-A20-E/IC698CPE040/DS200TCQCG1BGF/VMIVME-7750

●TRICONEX(英维思):冗余容错控制系统、基于三重模件冗余(TMR) 结构的现代1的容错控制器,模块。如:3721/4351B/3625/3301/3351

●Bently（本特利）：3500系列3500/3300系统如: 1900/65A 3500/22M 3500/42M

●MOOG(穆格): D136-001-007 D138-002-002 G122-829-001

●Allen-Bradley（罗克韦尔）：1756系列CPU模块、1747、1785、1771、1746全系列系统1756-L73 1394，1336系列变频1394C-SJT22-A,驱动器控制器等

ICS TRIPLEX T8431C/T8451

Reliance (瑞恩) 如:0-60002-6；MC-D5006-A;57C435

●Schneider(施耐德电气):处理器控制卡电源模块

Modicon（莫迪康）：AS系列PLC系统备件德莫迪康: Quantum 140系列CPU模块如:140CPU65160/140CPU67160/140CPU65260/140CPU67260/140CPU65150

●FOXBORO(福克斯波罗):I/A Series系统，FBM (现场输入/输出模块)顺序控制、梯形逻辑控制、事故追忆处理、数模转换、输入/输出信号处理、数据通信及处理等。CP系列/FMB系列如:P0973LN/CP40B/FCP270/FCP280/FMB231/P0916JW

●Westinghouse (西屋):EMERSON 模块、卡件、驱动器等各类备件。1C31系列DCS系统、CPU、OVATION系统、WDPF系统、WEStation系统备件。 5X系列，1C311系列如: 5X00170G01/VE3008/SE3008/CE3008/1C31203G01

●XYCOM:I/0、VIE 板和处理器等。如:XVME-653/XVME-674/XVME-976

●Bosch rexroth(博世力士乐): Indkramat, I/O 模块, PLC控制器，驱动模块等。如:DKC02.3-200-7-FW/MHD093C-058-PG1-AA/HDS03.2-W075N-HS12-01-FW

●Woodward (伍德沃德):数字控制器、SPC阀位控制器、PEAK150数字控制器如:9907-167/9907-164/9907-1183

●Honeywell(霍尼韦尔) :DCS系统备品备件CC、TC、TK、51系列如:CC-PCNT02/CC-IP0101/FC-QPP-0002/51401286-100/CC-PCNT02/05701-A-0550

●HIMA(HIMA): F8627X F8650X F8652E

●Motorola (摩托罗拉):MVME 162、MVME 167、MVME1772、MVME177等系列。如:MVME5100、MVME5500、MVME1772、FLN4234A

●YOKOGAWA (横河):伺服控制器、模块、伺服驱动器。CP系列AIP系列如:CP461-50/AIP121-S00。
NFAI841-S00 降低工厂的总体拥有成本
In process automation, where the environment can be volatile and where operators can’t see the actual product, the HMI is considered to be the heart of the system. In this scenario, the HMI is a central control room console that provides the only complete “window” into the process, enabling the operator to monitor and control what is occurring inside pipes and vessels located throughout the plant. 4. What does the operator need to be successful? In a PLC environment, the operator’s role is to handle exceptions. Status information and exception alarming help keep the operator aware of what is happening in the process, which can run “lights out.” The DCS plant requires an operator to make decisions and continuously interact with the process to keep it running. Leveraging the operator’s process knowledge is critical to operational excellence in keeping the process running optimally. Operators earn their keep during product grade changes and when adjusting the process to address changes in the production environment (such as a different feedstock). The operator will change setpoints, open/close valves, or make a manual addition to move a batch to the next stage of production. Within the HMI, faceplates and analog trends provide a view into what is happening in the production process, while the alarm management system focuses the operator’s attention on areas where he must intervene to keep the process running within its target performance envelope. In the event of an HMI failure, the plant could be forced to shut down in order to keep people and equipment safe. It boils down to the need to have an operator “in the loop” versus “out of the loop.” The DCS operator is the ultimate system stakeholder, whose upfront buy-in for the HMI design is essential for overall project success. 5. What system performance is required? The speed of logic execution is a key differentiator. The PLC has been designed to meet the demands of high-speed applications that require scan rates of 10 milliseconds or less, including operations involving motion control, high-speed interlocking, or control of motors and drives. Fast scan rates are necessary to be able to effectively control these devices.
NFAI841-S00 降低工厂的总体拥有成本