The domestic small PLC market is active in the innovation of local companies

The small PLC is the core product of the OEM automation market. Although its proportion of the cost of OEM equipment is not high due to its physical components, it only occupies a small proportion in the entire electrical configuration, but its dominant position is beyond doubt. . With the increase in automation, the application of small PLCs is more extensive than ever before, and more and more industries are beginning to use small PLCs.

At present, the small-scale PLC products are more diversified, not only have high-profile international brand names, but also have more mature national independent brands, which provides more choices for Chinese users in different market segments. Especially in the first half of the year, some domestic automation companies emerged in an endless stream of innovations in small-scale PLCs and continued to list new products, making the entire PLC market dynamic.

On June 20, 2011, a new integrated CANOpen bus programmable controller, the F122-D1608, was officially launched by Kinco Buike. This new product integrates powerful, stable 3S company's Codesys software, has a powerful high-speed logic control capabilities, can connect peripheral devices through the CAN field bus, such as remote IO modules, servo drives, inverters.

In the same month, Oerlikon Drive also released its own small-scale integrated PLC new product EF200/EF300. This series of PLCs clearly determines the machine control and small-scale process control in the field of factory automation, highlighting the high quality and flexibility of the module. Its CPU module includes 7 kinds of models, I/O expansion module includes more than 20 kinds of specifications of different functions, these two kinds of module can be combined flexibly, adapt to most automation systems. The main body of the CPU integrates a power supply, a communication port, and a certain amount of I/O. The expansion module can be used to implement a small and medium-sized control system.

In April of this year, Tencent Technology introduced the T9 series wide-temperature Ethernet programmable controller. Not only the operating temperature can reach -40°C-85°C, but also the industrial Ethernet port is integrated, making the user's programming, expansion and debugging more convenient! At the same time to meet the IEC61000 electromagnetic compatibility standards, support IEC61131-3 standard programming environment, IO, CPU, power supply, communication module integrated design, single can meet the needs of small industrial automation applications.

In the Chinese market where international automation brands are established, local manufacturers with the rise of independent brands have been struggling to advance on the road to independent innovation. We are delighted to see that national automation companies can take advantage of their strengths, accurately position themselves and spare no effort to seize the market. In the small-scale PLC market and emerging applications, local companies have become increasingly confident and powerful.

For example, in terms of sewage treatment, Hollysys' new generation of small LM series PLCs have been successfully applied to the sewage treatment site as a wireless monitoring solution for the control system; in the field of new energy, Delta will launch a new generation of DVP-ES2/EX2 series. PLC with GPS sensors, successfully applied in the "solar tracking system."

Although local companies have not scored, it is still too early to say success. After all, in terms of brand influence, product quality and reliability, and market share, there is still a gap with foreign PLC brands. From the point of view of today's demand, when users purchase PLC, the first concern is product quality and Reliability, perfect service and technical training and functions. In addition to prices, other aspects are often the weaknesses of current local companies.

PLC still has a certain market space in the Chinese market. With the small and medium-sized enterprises upgrading the factory automation due to the “labor shortage” or the increase in labor costs, it will greatly stimulate the demand for PLC. According to end users, PLC is a very reliable, practical, efficient, durable, and inexpensive tool in the field of industrial automation control. With the continuous development of computer technology and the constant intelligence of sensors, PLC will play an effective role in the field of industrial automation control with three networks in the future.