On September 24, the 2021 Zhongguancun Forum, co-sponsored by the Ministry of Science and Technology of China, the Chinese Academy of Sciences, the China Association for Science and Technology, and the Beijing Municipal People's Government, officially opened in Beijing. As one of the main agendas of the forum, the Zhongguancun International Technology Exchange Conference closely follows the theme of "Smart · Health· Carbon Neutrality", carries out the first launch of new technologies and new products in key industrial fields, creates a technology trading event of "global buying, global selling", and builds a highland for the transformation of scientific and technological achievements and technology trading with global influence. On September 28th, Hollysys brought its new products "Tunnel Intelligent Inspection Robot" and "MD6120N Traditional Chinese Medicine Dispensing Equipment" to participate in the roadshow of the "Energy Conservation, Environmental Protection and High-end Equipment Session" and "Sino-British Biomedicine and Medical Device Special" New Product Launch Promotion Conference.
With the rapid development of a new generation of information technology such as artificial intelligence, 5G, Internet of Things, and big data, highways will become more "intelligent and intelligent", and new intelligent transportation application scenarios will emerge. Huang Liang, deputy chief engineer of Beijing Hollysys System Engineering Co., Ltd., focused on the functions and applications of the "tunnel intelligent inspection robot". Focusing on the concept of "holographic perception, ubiquitous connection, intelligent collaboration, and building safe, efficient, and green tunnels", the "Tunnel Intelligent Inspection Robot" product launched this time presents the latest achievements of Hollysys in the field of intelligent transportation to the industry.
At the press conference, industry insiders witnessed the ingenuity release of the "tunnel inspection robot", and personally felt the practical effect of Hollysys products in highway applications through videos, graphics, explanations, etc.
In the "Sino-British Biomedicine and Medical Devices Special Session", Zhang Qiuju, general manager of the market brand center of Beijing Helikangyuan Medical Technology Co., Ltd., gave a lecture on the "MD6120N Chinese medicine dispensing equipment" on the spot, and she introduced the "MD6120N Chinese medicine dispensing equipment" using automatic insertion and withdrawal of bottles, automatic drug identification, weighing, review, automatic bag making, automatic packaging, granules directly into the bag and other functions, a maximum of 28 bags can be adjusted at a time, making the granule dispensing safer, more scientific, more efficient and more accurate. This product will meet the rising market demand, accelerate the circulation of formula granules, and empower the construction of smart hospitals and healthy China.
Since its establishment, Hollysys has continuously launched innovative technologies and products, leading and witnessing the pace of intelligent development and innovation in the fields of industry, transportation, medical care, energy and other fields. In the future, Hollysys will continue to give full play to its technological advantages, rely on its strong scientific and technological research and development strength for many years, and work with industry ecological partners to contribute to the high quality of the industry.
|
More on that
|
Megmeet inverter - introduction to the control method of low-voltage inverter
1. Sinusoidal pulse width modulation
Sinusoidal Pulse Width Modulation (SPWM) is characterized by simple structure of control circuit, low cost, good hardness of mechanical characteristics, and can meet the smooth speed regulation requirements of general transmission, and has been widely used in various fields of the industry.
However, this control ...
|
|
Megmeet inverters – what do you need to pay attention to when choosing the power of the inverter?
The system efficiency is equal to the product of the efficiency of the inverter and the efficiency of the motor, and the system efficiency is higher only when both are working at higher efficiency. From the perspective of efficiency, the following points should be paid attention to when selecting the power of the inverter:
1) Inverter power value and motor power ...
|
|
Maintenance inspection of Megmeet inverters
1. The Megmeet rectifier module is damaged
It is usually caused by grid voltage or internal short circuit. In the case of sweeping the internal short circuit, the rectifier bridge is replaced. When dealing with faults on site, we should focus on checking the status of the user's power grid.
Such as the power grid voltage, whether there is an electric welding machine, etc.
|
|
Megmeet servo drive - common faults and treatment methods of servo drives
1. The motor runs differently in both directions
Cause of failure: The phase of the brushless motor is wrong; The deviation potentiometer is in the wrong position.
Solution: Detect or detect the correct phase; Reposition the potentiometer.
2. The motor speed is abnormal
Cause of failure ...
|
|
Introduction to Megmeet welding machine
The EhaveCM350AR is a fully digital inverter melting multi-functional industrial heavy-duty Megmeet welding machine launched by Megmeet for global metalworking manufacturing. It brings customers higher quality and higher efficiency welding experience and value with excellent arc characteristics, reliability and high efficiency, and helps customers ...
|
|
Megmeet PLC maintenance and processing methods
1. CPU abnormality: When the CPU is abnormally alarmed, check the device connected to the internal line of the CPU unit. The specific method is to replace the units that may cause failures in turn, find out the faulty units, and deal with them accordingly.
2. Memory abnormality: When the memory is abnormal alarm, if it is a program ...
|
|
Megmeet PLC – What are the advantages of PLC compared to relays?
(1) In terms of control method: PLC adopts a program to achieve control, which is easy to change or increase the control requirements, and the contact points of PLC are unlimited;
(2) In terms of working mode: PLC adopts serial working mode to improve the anti-interference ability of the system;
(3) Control speed: PLC ...
|
|
Megmeet PLC – the three programming languages of PLC
1. The ladder diagram language is the most commonly used programming language in PLC programming. The CPU reads physical input into a memory table, often referred to as an "input table". The form is evaluated for use in the procedure. Different platforms, using different types of registers; In each scan cycle, follow from left to right, ...
|
|
Megmeet PLC - the characteristics of the working process of PLC
1. The PLC adopts the mode of centralized sampling and centralized output, which can reduce the influence of external interference.
2. The working process of PLC is the process of cyclic scanning. The duration of the cyclic scan depends on the speed of execution of the instructions and the length of the user's program.
3. Output to input ...
|
|
Megmeet drives – what are the components of a drive?
The inverter is composed of a main circuit, a rectifier, a flat wave circuit, and an inverter.
1) Main circuit:
The main circuit is the power conversion part that provides voltage regulation and frequency regulation power supply for the asynchronous motor, and the main circuit of the inverter can be roughly divided into two categories: the voltage type is the DC ...
|
|
Megmeet drives – what are the basic requirements for regular replacement of drive components?
1. It is necessary to figure out the basic parameters and shape of the device that needs to be replaced. The basic parameters include the rated operating current, the capacitance of the capacitor, the resistance value of the resistor, the value of the GTR Darlington device (current amplification factor), the switching characteristics of the IGBT (including IPM) device, and the saturation voltage ...
|
|
Megmeet PLC - the core components of PLC introduction
(1) Central Processing Unit (CPU)
The central processing unit (CPU) is the control center of the PLC. It accepts and stores user programs and data typed from the programmer, checks the status of the power supply, memory, I/O and alert timer in accordance with the functions assigned by the PLC system program, ...
|
|
Megmeet inverter - the daily maintenance and overhaul of the inverter
1. Regularly dust the inverter, focusing on the rectifier cabinet, inverter cabinet and control cabinet, if necessary, the rectifier module, inverter module and the circuit board in the control cabinet can be removed for dust removal. Whether the lower air inlet and upper air outlet of the inverter are dusty or blocked due to excessive dust. The inverter is due to the ...
|
|
Megmeet PLC – the three basic process contents of PLC work
1. Input processing
Input processing is also called input sampling. In this phase, the through-end state of all input terminals is read sequentially, and the read information is stored in the corresponding image register in memory. Here the input image register is flushed. Then the program execution phase begins. In the execution of the procedure ...
|
|
Megmeet inverter – the energy-saving principle of low-voltage inverter
Inverter energy saving
The energy saving of the inverter is mainly manifested in the application of fans and pumps. In order to ensure the reliability of production, all kinds of production machinery are designed with power drive, and there is a certain amount of surplus. When the motor cannot operate at full load, in addition to meeting the power drive requirements, ...
|
|
Megmeet PLC - What are the five stages of the PLC work process?
1. Common processing: reset the monitoring timer, perform hardware checks, user memory checks, etc.
2. Program execution: The CPU interprets and executes each instruction in the order of first left and then right, first up and then down, and reads out each relay according to the input image register and the component image register.
|
|
Megmeet PLC - Introduction to the basic structure of PLC controller
1. Power supply
The power supply of the PLC plays a very important role in the whole system. It can't work properly without a good and reliable power supply system, so PLC manufacturers also attach great importance to the design and manufacture of power supplies. General AC voltage fluctuations are +10% (+15%) ...
|
|
Megmeet PLC - Comparison of the advantages of PLC and DDC in building automation systems
1. Application field: The initial design goal of PLC is only to replace complex relay circuits, and DDC is originally only used in industrial automation instruments: PLC emphasizes versatility, DDC emphasizes specificity: PLC is used in the field of industrial control, and DDC is used in professional building systems.
2. Structural differences ...
|
|
The causes of the failure of the Megmeet welding machine and how to deal with it
1. The welding machine has no welding current output
1. Cause of failure: the internal wiring of the non-voltage input at the input end of the welding machine falls off or the internal coil of the broken circuit is burned out.
2. Treatment method: check whether the switch, wire, fuse and connection parts from the distribution box to the input end of the welding machine are in good condition.
|
|
Megmeet drives – safety precautions for the installation of drives
When the inverter is installed and wired;
Note: When more than two inverters are installed in the same cabinet, please pay attention to the installation position and spacing to ensure the heat dissipation effect.
Dangerous:
1. It should be operated by professional electrical engineering personnel, otherwise there is a risk of electric shock.
2. Please make sure before wiring...
|
|