On April 7, 2021, the "2021 China Software Industry Annual Conference" hosted by the China Software Industry Association was held in Beijing. With years of technology accumulation and outstanding strength, Hollysys Group won the title of "The Most Influential Enterprise in China's Software Industry in 2020", as well as the "High-speed Train Autonomous Driving System V1.0" and "Intelligent-integrated Solution Based on I Industrial Internet and Advanced Control Technology" independently developed by Hollysys, and was rated as "Excellent Solution in China's Software Industry in 2020".
With the theme of the new era of digital economy - the software industry empowers high-quality development capabilities, the conference attracted nearly 800 well-known experts in the field of software and heads of enterprises in software and related industries to discuss how to give full play to the basic supporting role of software in high-quality economic development, promote digital evolution and the transformation and upgrading of traditional industries, and achieve inclusive growth and sustainable development.
The most influential companies in China's software industry in 2020:
Hollysys has always been at the forefront of automation and information technology solution providers, engaged in the research and development, manufacturing and service of automatic control system products, and its core business is concentrated in the three major fields of industry automation, traffic automation and medical health. Since its establishment, Hollysys has adhered to independent research and development of reliable, advanced and easy-to-use technologies and products, invested about 10% of its annual income in technological innovation, undertaken dozens of major national scientific research majors, high-tech industrialization specialties and strong industrial foundation projects, accumulated more than 20,000 customers in various fields and industries, and implemented more than 35,000 control system projects.
2020 Excellent Solution for China's Software Industry: High-speed Train Autonomous Driving System V1.0.
Relying on the independent design of Hollysys, the ground safety platform, on-board safety platform and parameter configuration platform with many years of experience in rail transit operation, this solution adopts modular design to form a train automatic control system integrating centralized scheduling, automatic operation adjustment, train protection, full automatic driving and other functions, and realizes the automatic driving of 350km/h high-speed railway for the first time. It supports autonomous driving scenarios such as train starting, running speed adjustment, correct station stopping, and door protection, and controls the train in the best running state, which not only improves the riding comfort of passengers and the punctuality rate of the train, but also reduces the operating cost of the train and improves the efficiency of the operation organization.
2020 Excellent Solution for China's Software Industry: Intelligent Body Solutions Based on Industrial Internet and Advanced Control Technology.
As the practice of industrial Internet in the power industry, this solution deeply integrates industrial Internet, cloud computing, big data analysis, artificial intelligence and other technologies, breaks the information island, improves production efficiency, reduces coal consumption, and achieves good economic benefits. At present, the solution is actually applied to the intelligent power plant project of Liaoning Jiaobingshan Coal Yanshi Power Generation Co., Ltd., through the construction of an industrial Internet platform data center, the data extraction, management, analysis and in-depth integration of the factory production and operation system are realized, and the opening of various business processes is realized, the coal consumption is reduced by 0.8g/kWh, and the operation cycle of the unit equipment is improved. Through the construction of the industrial Internet platform and the development of application software, the project has made a useful attempt and in-depth exploration for the in-depth application of industrial Internet technology in the power industry.
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And Lysisys DCS - the difference between DCS control and PLC control
1. PLC programmable logic controller (programmable controller).
2. DCS system pays more attention to the field of process control. Such as chemical, smelting, pharmaceutical, etc. It mainly monitors and controls some field parameters, while PLC focuses on logic control. machining). Of course, the PLC's ...
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Hollysys PLC - PLC maintenance and use skills
With the development of society, PLC programmable controller has been widely used in industrial production, but its maintenance and overhaul methods and skills, many engineers are not lawful, the following is to introduce the experience and skills of PLC use process.
1. PLC input and output
A ...
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Hollysys OCS industrial optical bus control system was successfully applied in Sinopec project
On November 13, 2022, Zhong'an United Coal Chemical Branch came with exciting news that the 20,000 tons/year butene-1 plant produced qualified butene-1 products at 22 o'clock on the same day, and the one-time start-up was successful. The control system of the device adopts the innovative technology product "OCS Industrial Optical Bus Control ...
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Hollysys PLC - PLC serial communication knowledge
1. What is serial communication?
Serial is a very versatile protocol for device communication on a computer (not to be confused with Universal Serial Bus or USB). Most computers contain two serial ports based on RS232.
The serial port is also an instrument ...
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Hollysys DCS - What are the specific contents of the major and minor repair projects of the DCS system?
(1) Overhaul projects
DCS system overhaul is carried out in the random group of main equipment overhaul, and the overhaul project includes the following:
1) Conduct a comprehensive inspection of the control equipment and make a record.
2) Copy the configuration of all modules, and verify the marks and addresses of the modules.
3) Qing ...
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Hollysys PLC - PLC should be noted in operation (2)
2. Interference in the control system and its sources
On-site electromagnetic interference is one of the most common factors in PLC control system and most likely to affect the reliability of the system. It is therefore essential to know the source of on-site disturbances ...
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Hollysys PLC - the control function of PLC
(1) Computing function
The computing functions of a simple PLC include logic operation, timing and counting functions; The operation functions of ordinary PLC also include data shift, comparison and other calculation functions; More complex arithmetic functions include algebraic operations, data transmission, etc.; There are also analog PIDs in large PLCs.
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Hollysys DCS - DCS system operation problem analysis and preventive measures
1. Communication network failure: communication network faults are generally easy to occur at the contact bus and local bus, or caused by wrong address identification.
2. Node bus failure: The transmission medium of the node bus is generally coaxial cable, some use token signal transmission mode, and some use ...
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Hollysys' 100% domestic PLC has achieved breakthrough applications in the field of nuclear power
Hollysys, as the PC general contractor, participated in the construction of the first smart water project in the domestic nuclear power industry (1) - Qin's No. 2 Plant Chengjing Water Intake Smart Operation and Transformation Project, which was recently completed and put into operation. The project is independently implemented by Hollysys, and Hollysys is independently controllable, safe and reliable, and deeply developed by the nuclear high-tech project.
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Hollysys PLC - What are the communication methods between PLC and inverter?
1. The switching signal of PLC controls the inverter
The output point and COM point of the PLC (MR type or MT type) are directly connected to the STF (forward start), RH (high speed), RM (medium speed), RL (low speed), and SG input ports of the inverter. PLC can control the frequency conversion through the program ...
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Hollysys PLC - common faults and solutions of CNC machine tool PLC
CNC machine tool PLC (programmable logic controller) has the following common faults in the operation process, and the following corresponding solutions are taken for the faults in the work engineering to make the equipment operate normally.
1. The power grid fluctuates too much, and the PLC does not work
It is manifested as no output of the PLC. Check first ...
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Hollysys signed a contract with Lysys for the integrated management platform project of smart tunnel of Linzhou-Changzhi Expressway in Henan
Recently, Hollysys signed a contract for the comprehensive management platform project of smart tunnel of Linzhou-Changzhi Expressway in Henan Province. Linzhou to Changzhi Expressway is a traffic artery that crosses the Grand Canyon of Taihang Mountain, through Henan and Shanxi, with a total of 7 pairs (14) tunnels.
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Hollysys PLC - what are the anti-interference countermeasures of PLC and touch screen?
In order to improve the anti-interference ability of the PLC system, we should start from the design. In the anti-interference design of specific projects, products with strong anti-interference ability can be selected to improve the anti-interference of equipment and systems by suppressing interference sources, cutting off or attenuating the transmission path of electromagnetic interference, and using software means.
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What are the aspects of the configuration package of Hollysys DCS - DCS distributed control system?
1. Configuration of the control loop
The configuration of the control loop is essentially to use the various basic functional modules provided by the system to form a variety of actual control systems. At present, the configuration methods provided by various DCSs are different, and they can be summarized as having a specific computing module connected ...
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Century Qualcomm and Hollysys reached a strategic cooperation
With the inclusion of "exploring the construction of digital twin cities" in the 14th Five-Year Plan, the field of intelligent transportation is being endowed with more new business value. Recently, Century Qualcomm and Hollysys reached a strategic cooperation, based on the principle of "giving full play to advantages, mutual promotion, long-term cooperation, mutual benefit and win-win", ...
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Hollysys DCS—— Selection, design and debugging of DCS system
1. Configuration of the system and controller
The configuration of systems and controllers focuses on reliability and load factor (including redundancy). The communication load rate must be controlled within a reasonable range, and the load rate of the controller must be balanced as much as possible to avoid the occurrence of "high load" problems.
2 ...
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Hollysys released a new DCS control system
Hollysys' safe and trustworthy DCS control system uses the controller K-CU11 for the K series large-capacity trusted controller module, which adopts advanced PowerPC architecture high-performance main processor and security components based on national cryptography algorithm, and has the security functions of static trusted start and dynamic trusted measurement. ...
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Hollysys DCS - the development trend of DCS
There are many new developments in the field of DCS-related, which are mainly manifested in the following aspects.
(1) The system function is developing in the direction of openness. The structure of traditional DCS is closed, and it is difficult to be compatible with DCSs from different manufacturers. The open DCS will allow users to set a larger system ...
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What should be paid attention to when cooperating with Lysys PLC-PLC and inverter?
1. Input of switch command signal
The input signal of the inverter includes a switch-type command signal that controls the operating status such as operation/stop, forward/reverse, section speed, and joging. Frequency converters usually make use of relay contacts or components with relay contact switching characteristics (such as crystals).
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Hollysys PLC - three forms of PLC output circuit
1. Relay output circuit
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