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Thinking made | practice of domestic PLC in the high-end application industry
TIME: 2017-01-23 14:11:22

A year ago, Germany proposed industry 4. Subsequently, China planned "China made 2025". For some time, the system planning, technical scheme and even the fashionable concept of industrial 4 have been covered. Experts, scholars and practitioners in the automation industry seem to be outdated without talking about industrial 4 and intelligent manufacturing. After the hustle and bustle, looking back on the road, many places are worth rethinking.
       In 2013, the author, with some colleagues, created the blue Pu Feng company in Beijing, and is eager to seize the rare historical opportunity to become a "flying pig". More than 4 years of toil, in the difficult market environment healthy and survive, a new understanding of the living conditions and Strategies of enterprise automation. Throughout the history and future trend of the automation industry, combined with twenty years of work experience, I summed up some personal views in the new situation of the development of domestic PLC, and wrote it out to discuss with you.
1. master the core technology of intelligent manufacturing
       Whether Germany's industry 4 or China's manufacturing 2025, is the inevitable result of industrial and technological upgrading. All countries hope to take the lead in the new round of industrial transformation. China put forward the development idea of integration of industrialization        Therefore, we should seize new technology opportunities to build a strong foundation of traditional automation technology, do not favour one more than another. For the automation industry, we must keep up with the development trend of new technologies such as cloud computing, big data and mobile Internet. With the technology of automatic control, embedded software, system monitoring software and communication, we will provide users with perfect intelligent solutions. Intelligent manufacturing is one of the core links of industrial 4. In the current stage, we need to focus more on the system planning and execution plan of intelligent manufacturing. Chinese enterprises must master the core technology of intelligent manufacturing.
      The upgrading and transformation of the 2. industry requires a combination of overall planning and project implementation
      In the upgrading of the traditional industry, we should not only do a good job in the overall planning, but also to implement the implementation plan. I have been in contact with a unit that has undertaken a demonstration project of Intelligent Manufacturing in the Ministry of industry and information technology, and the project is well planned. Close to the acceptance, it is found that the signal on the field equipment has not been collected, let alone the realization of the production of wisdom.
      The degree of automation in Chinese enterprises is very different, and it is necessary to take different technical plans for different enterprises. The overall planning can also be from the top down, and from top to bottom, including the technical scheme for equipment level, device level, workshop level, plant level and company level at different levels. Project implementation must be from bottom to top, without equipment level monitoring, system level monitoring becomes a castle in the air. Without basic acquisition, control and communication functions, optimal management and data mining can only stay in the planning stage and can not be implemented.
3. give full play to its own advantages and achieve collaborative innovation
      Different companies may have different emphasis on technology and products. When automatization enterprises provide users with intelligent factories and intelligent manufacturing solutions, they need to focus on their own advantages. The manufacturers should have a clear understanding of their own, not others, but can not be lost, or else you will lose all. Only from its own advantages to contribute to the maximum value, at the same time to create good conditions for the development of the enterprise. Some enterprises are good at system planning, some are good at software design, some are good at hardware design, and some are good at project implementation. If it is not a super strong automation company, it is suggested to combine with the related enterprises, develop collaborative innovation, and jointly create the competitive advantage of the industrial chain.


To provide users with smart heating network solutions, we make full use of the advantages of PLC, and choose high-performance software platform, and deeply integrate with industry applications, so as to truly achieve the safe and economic operation of urban heating. The CPU ontology of Lan Pu Feng PLC integrates 3 serial ports and 1 Ethernet. Single CPU can extend 30 I/O modules. PID has strong control operation ability and has super competitive power in the field of urban heating, and has become the preferred control product of some industries.
4. directly hit the user's pain point to realize the enterprise value
       The existence value of any enterprise is to solve the actual difficulties of the user, and the automation enterprise is no exception. Therefore, we must often ask ourselves, what is the pain of the user? Can we help users to solve the difficulties? If the enterprise cannot answer the above questions, it will become a boat, in the vast sea drift, it is difficult to reach the shore of success. The following two actual cases are for your reference.
       When building a general scheme of smart mine, a user needs to connect intelligent devices distributed everywhere, and the scene layer needs to be configured and programmable flexibly. In response to the above needs, we provide users with programmable gateway with PLC function, and with a small number of I/O channels, completely solve the problem of interoperability between field devices, and contribute to the unique value of user solutions.
       In the field of rail transit, a large number of on-board equipment are controlled by single chip microcomputer. According to user feedback, it is very troublesome for the controller to modify the application. It requires the embedded software developers to debug the program on the user site, with low efficiency and high error rate. After technical communication with users, we switched to a special controller based on PLC technology to control vehicle mounted devices, decouple the basic software and application software, improve the reliability and stability of the products, and improve the working efficiency, and solve the worries of partners.
5. constantly tamp the foundation of its own technology and product base
The automation enterprise must constantly consolidate its own technical foundation and product base, only in this way can we seize the opportunity firmly in the market opportunity. Market opportunities are fleeting, and opportunities are always in favor of prepared organizations and individuals.
      One of our users, in the equipment supporting the main use of a well-known international brand PLC and blue Pu Feng PLC, the use of the proportion of 4:1. Recently, the international well-known brand PLC chip due to problems of stock, users need to find alternative brand.        After careful analysis of the related product performance, quality, supply capacity, technical support and other factors, the user decided to use Lan Pufeng PLC instead of the international famous brand PLC. Compared with the brand PLC, Lan Pu Feng PLC has better performance, instruction processing speed, I/O expansion capability, communication interface quantity and analog processing capability. It has obvious advantages, and the reliability of products is highly affirmed by users. We have been highly recognized by our customers for the long term of product technology and product quality, and we have seized this excellent market opportunity.
6. deep ploughing industry, providing a targeted solution
      The automation enterprises must plough the industry deeply to create the value for the users to the maximum and the value of the enterprise itself. Only the deep ploughing industry can excavate the potential demand of the industry users, and then put forward the pertinent solutions and build their own competitive advantages. At present, environmental protection requirements continue to improve. In the field of heating, the "coal to gas" and "coal to electricity" projects are being implemented, providing a large number of market opportunities for automation enterprises. We actively participate in the environmental quality improvement project. Our company has repeatedly communicated and communicated with the technical personnel and equipment manufacturers, engineering implementation units, design units and end-users, and put forward a solution with industry characteristics. In the overall solution provided by Lan Pu Feng, there are both local control and remote communication of air source heat pump, data management based on cloud platform, and optimized management and product improvement based on data mining, which realizes the perfect combination of PLC technology and cloud monitoring technology.
7. pay attention to the people's livelihood and continue to expand the new application field
      Smart factory is not only limited to factory automation, but also has many applications in process automation and agricultural automation. Automation enterprises need to pay close attention to new market opportunities. With the declining demographic dividend, many manual labor is being gradually replaced by automation.
      In the plant of edible fungus, we should control the temperature, humidity, light and other environmental parameters, and monitor the planting process by means of wireless communication. In the food cold chain system, the temperature and pressure of the cold storage must be controlled, and the cold chain car should be monitored through the positioning system.
      With the continuous progress of the process of industrialization, China's projects in metallurgical and other heavy industries have been reduced, but more and more projects in the people's livelihood. Automation enterprises should comply with this trend of development and provide solutions for new market opportunities.
8. gradually realize the localization of the control system and improve the level of safety and security
      The localization of the control system is the trend of the times, and the related work should be gradual. With the increasing openness of automation system, the information security of industrial control system is becoming more and more important. From the point of view of national strategic security, it is best to make the design of the chip, hardware, software and system completely domestically.
      However, in the industrial chain of industrial control system, the foundation of our country is still relatively weak. We need to plan and implement it step by step. When the core chips, such as the controller, do not have all the domestic conditions, we can implement the system design, the hardware system and the software platform first.

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