Although PLC still has some limitations in terms of technology, due to its technological maturity, it maintains a relatively high level, and currently PLC dominates the field of automation control and is expected to reach a market size of 9 billion yuan in 2013. At present, China's industrial manufacturing industry is undergoing automated production transformation, and the demand for various types of automated production equipment continues to rise. However, the market size of the PLC in 2012 was 7.9 billion yuan (including DIO), which was 9.2% lower than the same period of last year and was the first negative growth.
Analysis of the reasons for the slowdown in the growth trend of China PLC market size and growth trend in 2012 Affected by the downturn of the OEM industry, the decline of small PLCs is very obvious, and even large-scale manufacturers have experienced a decline of more than 30%. Although the sales volume of PLC this year was unchanged from last year, sales dropped significantly due to falling prices. PLC's single product price is now only 1/4-1/3 of last year. According to the relevant data, it is estimated that the total amount of PLCs currently sold in China will be RMB 3,000 to RMB 4 billion (excluding PLCs with imported main equipment), with an annual growth rate of 15 to 20%.
After entering 2013, with the heating up in the automation industry, PLC market is optimistic about the relevant market research institutions. With the introduction of the "12th Five-Year Plan" to enhance the automation of equipment, the industry is expected to continue growing in the PLC market. By 2013, the market size is expected to reach 9 billion yuan.
At the same time, in the next five years, the overall annual growth rate of the Chinese PLC market is expected to reach 14.1%. PLC China market is expected to grow at a compound annual growth rate (CAGR) of 12.4%, with market share approaching US$750 million in 2006; reaching US$1.3 billion in 2011; according to relevant authorities, this market will exceed US$1.6 billion in 2015.
The advantage of USB Cable Type C is that it supports higher current, that is that more current can be passed by Type-C in the same time. In this way, the charging speed of the device can be accelerated. At present, the charging current of most Type-C data lines is generally 2A. If the charging rate of 3A is to be reached, a high-current wall charging matching it is required. That is to say, if the wall charge only supports 1A, whether it is charged with 2A or 3A data line, there is no difference fundamentally. If the current supported by the wall charging is 2A, and the type-C data cable of 2A/3A is matched, the effect can be significantly changed.
In addition, the device equipped with the Type-C interface can be charged by connecting the mobile power supply through the Type-C cable or Usb C Cable. Users do not need to carry the charging cable, but can have the wall charging and Type-C cable. In addition, when selecting a Type-C charging cable, We should pay attention to the current limit. The charging data cable 1A does not have fast charging performance, 2A is the most commonly used Type-C charging data line, and 3A is the best data line at present. If you want to have fast charging effect, you must choose the Type-C charging data line with 3A current.
The highlights of Type-C interface are thinner design, faster transmission speed (USB3.1 up to 10Gbps) and stronger power transmission (up to 100W).The biggest feature of Type-C double-sided plugable interface is that it supports double-sided insertion of USBinterface. Officially solved the USB never insert the worldwide problem, the front and the back of the random plug.The USB Cable used with it must also be thinner and lighter.
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