ABB UFC911B104 Power Interface Board Module

¥2,200.00

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Category: SKU: UFC911B104 Tag:
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Description

The definition of dcs is the abbreviation of distributed control system, also known as distributed control system. It is developed from loop instrument control system and is based on the rapid development of computer, communication, control, and crt technology.

After the 1960s, with the large-scale and complex production engineering, a centralized control system for computer centralized monitoring and control emerged. Centralized control facilitates monitoring, operation, and management, as well as highly concentrated hazards. Once the system malfunctions, the impact and danger to the device are significant. With the birth of microprocessors, unparalleled conditions have been created for the opening of new control systems.


In 1975, with the continuous development and improvement of computer, communication, control, and CRT 4C technology, Honeywell in the United States launched the distributed control system tdc-2000 globally for the first time. Since the birth of the first set of dcs, the dcs system has gone through three stages of development. The period from 1975 to 1980 was the initial stage. Due to limitations in software and hardware technology, the performance of the dcs system at this time is not yet very complete, and the hardware structure is not yet very mature. The second stage was from 1981 to 1987. During this period, fault-tolerant and redundant technologies have become mature and widely used, with high system reliability and superior performance, and a variety of control functions. At this stage, dcs developed from simple industrial process automation control to production management automation. This generation of dcs mainly introduces lan (local area network) technology, greatly enhancing the network functionality of dcs. 1987 has been the third stage of development. Manufacturers adopt the Open Systems Interconnection (OSI) architecture of the International Organization for Standardization (ISO) to generate Manufacturing Automation Protocol (Map) standards to address the interconnection issues of different models. The DCS system uses more advanced CPU and redundancy technology in hardware, greatly improving storage capacity and communication speed, and using a universal operating system in software. At this stage, DCS organically combines control, supervision, and management scheduling to achieve automated management of various production and operation information.

The characteristics and functions of dcs (1) The main characteristics of dcs. DCS has the following main characteristics: separation of control and display; Adopting network communication technology; A complete open system; High reliability; Having comprehensiveness and professionalism; Implemented human-machine dialogue technology; Flexible system expansion; Strong management skills. (2) The main functions of dcs. The dcs system can effectively complete industrial continuous control, loop instrument control, etc. Its years of practice have shown that it has become a mature technology and a complete control system in the field of continuous control. At the same time, its friendly human-machine interface, reliability based on redundant technology, powerful network functions, single database, flexible configuration, and other characteristics have been praised by a large number of users.

 

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