As a main part of modern automation production, PLC occupies the core position in the automatic control system. With the development of industrial automation at home and abroad, the market scale is constantly expanding.
Industrial automation is the main trend of modern industrial development. Although some scholars have put forward the idea of ​​a smart factory based on the current network and intelligent technology, it is impossible to realize or enter into the smart factory construction in a short time and can not be realized Automation will be the mainstream. Whether it is automated factories or smart factories are inseparable from the automation control system. Currently in the Department of Automation and Control, PLC applications absolutely one of the core.
China is now recognized as a manufacturing power, but not a manufacturing power. The reason for this is that, in addition to the gap between product technology and foreign products, it is still too low for the automation of industrial production to reach the international average level. However, now that global industrial production has been further shifted to automated production, it has also led to the transformation of the manufacturing mode in China's manufacturing industry. Automation will prevail. In this process, we have shown a certain increase in demand for the development of PLC products in general. At the same time, PLC technology is also developing towards a new technical direction.
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Last year, PLC market size and 2013 market demand forecast Â
PLC market in 2012 reached 7.9 billion yuan (including DIO), down 9.2% last year, the first negative growth. Looking back at the exciting 17.3% growth rate peaked by the end of 2011, we can only say that "four trillion yuan will go down in exchange for an instant sensation."
Analysis of China PLC Market Scale and Growth Growth Decline in 2012 Reason for Decline of Growth Decline Affected by the downturn of OEM industry, the decline of small-sized PLC is obvious. Large-scale manufacturers even have a decline of more than 30%. PLC sales this year, although flat with last year, but due to the decline in prices resulted in a significant decline in sales, PLC single product prices are now only last year 1 / 4-1 / 3. According to the relevant data, it is estimated that the total amount of PLCs sold in China is 30-40 billion RMB (excluding the PLCs matched with imported main equipment), with an annual growth rate of 15-20%.
After entering 2013, with the automation industry upsurge, PLC market optimistic about the relevant market research institutions. With the "12th Five-Year Plan" to raise the automation of equipment, the industry expects the PLC market will continue to grow. By 2013, the market scale is expected to reach 9 billion yuan. According to ARC Advisory Group released research report shows that in the next five years, China's PLC market is expected to reach a consolidated annual growth rate of 14.1%. PLC China is expected to grow at a CAGR of 12.4% with a market share of nearly 750 million U.S. dollars in 2006 and 1.3 billion U.S. dollars in 2011. According to the relevant authorities, the market in 2015 will exceed 1.6 billion U.S. dollars.
Industrial Technology Development Â
1, the scale of products to large and small development in both directions: I / O points up to 14,336 points, 32-bit microprocessor, multi-CPU parallel work, large-capacity memory, high-speed scanning. Small: from the overall structure to the development of small modular structure, increasing the flexibility of configuration, reducing costs.
2, PLC is widely used in closed-loop process control Â
3, continue to strengthen the communication function Â
4, new devices and modules continue to introduce high-end PLC in addition to the main CPU to increase processing speed, there are processors with EPROM or RAM, intelligent I / O modules, high-speed counting module, remote I / O modules, Module.
5, a variety of programming tools, functions continue to improve, the programming language tends to standardize A variety of simple or complex programming and programming software, the use of ladder diagram, function diagrams, statement tables and other programming languages, there are high-end PLC command system.
6, the development of fault-tolerant technology Hot standby or parallel work, the majority of the voting work.
7, the pursuit of standardization of hardware and software.
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