Industrial PLC control platform initiative set up imminent
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Of industrial automation control is an important direction of industrial technological progress, is the mechanical and electrical integration, and promote integration of two of the basic work. However, at the national level has been the lack of attention and strategic arrangements, in a serious backward stage, significant risks exist.
What is the area of factory automation control technology? Simply speaking, for a continuous process (electricity, Chemical industry ), Or DCS, for non-continuous process (metallurgy, paper making, textile, machinery, manufacturing and Environmental protection Etc.) for the PLC. PLC wide range of uses, not only solve the stand-alone self-control, but also provide lines and factory automation solutions.
Our continuous process automation (DCS) developing faster, with Energy And the heavy chemical industry was mainly in the applications, and support over the years by national policy, so the awareness and importance within the industry level is relatively high, with international advanced level is reduced. In the intermittent process automation (Foreign usually say "factory automation" FactoryAutomation, referred to as FA) in the field, the problems are more urgent.
International industrial technology and industry trends
Industrial automation control is an important way to progress in industrial technology: addressing efficiency, product quality, reliability, consistency of the underlying technology.
Universal industrial optimization and upgrading of industrial structure is to "information technology to transform traditional industries," promoting the integration of two of the basic work.
Recent decades, with the rapid development of ICT technology, industrial automation systems and instrumentation technology advances quickly, were miniaturized, digital, intelligent, network, integration and so on.
Generally believed, industrial automation, there are two main areas: to process (fluid motion) control technical support process automation (PA) and motion control technology to support the factory automation (FA or Discrete Manufacturing Automation). The former from the traditional analog loop start devices, integrated ICT control technology, the development of distributed (or Distributed) control system DCS. Its high reliability, convenient configuration software, rich control algorithm, the advantages of open networking capabilities into the mainstream computer industry control systems, widely used in large-scale, equipment, numerous complex conditions of process control equipment , such as large chemical plants, thermal power plant.
Programmable logic controller (PLC): to Relay Technology-based, integrated ICT technology to the realization of programmed electrical control equipment. PLC compact, fast response, on-site environmental adaptability and reliability (resistance to vibration, noise, dust, oil, etc.), anti-interference ability, low price DCS neck and neck with the other mainstream control systems.
Line of industrial control technology was mutual penetration and mutual convergence. PLC application process control systems to small and medium sized, short-range maintenance service system, energy monitoring and other areas of expansion, in some applications replaced the DCS. DCS also uses PLC and Industrial Control joint networking computers. The general trend is more open (refined division of labor Cooperation ), Standardization, product, integration. 90
since the last century, the rapid development of fieldbus technology FCS. This is installed in the production field of digital intelligent instrument and control equipment and automatic control devices or systems of multi-point Communicate All decentralized, open the bottom of control networks.
The world's industrial sector after decades of Ebb Tide, has formed a small number of multinational companies-scale production, carving up the global market oligopoly in the market. Hundreds of original manufacturers now only a few dozen, the most famous person such as Siemens, ABB, HONEYWELL, Mitsubishi, Phoenix, with its industrial products are known as both the DCS / PLC / FCS capabilities, quality, price, sale services, has won a reputation in the market.
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