Typical use cases in the industrial control industry

1  Industrial automation control systems:

Product Description: Aipu Electronics provides DC-DC module power supply and AC-DC module power supply with high efficiency, low power consumption and wide voltage input range.

Typical use cases: These power supply modules are widely used in PLC and DCS systems to provide stable power to the logic processing units and input/output interfaces of the control system to ensure precise control and reliable operation of the automation control system.

2  Robot power supply:

Product Description: EPRO's power modules have good anti-interference capability and anti-vibration design, suitable for mobile and vibration environments such as robots.

Typical use case: In industrial robots, these power modules provide power to the robot's actuators, control systems and sensors, ensuring stability and accuracy as the robot performs complex tasks.

3   Intelligent production line:

Product Description: EPRO's modular power supplies feature compact design and optimized thermal management for production lines with limited space.

Typical use case: In intelligent production lines, these power modules provide power for various sensors, actuators, transmission systems, and so on, supporting automated and data-driven operation of the production line.

4   Industrial monitoring and control systems:

Product Description: EPRO's power modules are dustproof, moisture-proof and high temperature resistant, suitable for harsh industrial environments.

Typical use cases: In oilfield control equipment and mine monitoring systems, these power modules can ensure that the monitoring equipment in extreme environments work normally, to ensure real-time data transmission and stable operation of the system.

5   Industrial-grade tablet PCs and handheld devices:

Product Description:Aipu Electronics provides portable power solutions with high energy density and long battery life.

Typical use case: Industrial-grade tablets and handheld devices use Aipo's power modules to support field engineers on the move for data acquisition, equipment maintenance and field management.

6. Relevant part of the product introduction:

Technology Application Introduction

Modular power supply in the industrial control industry applications

With the continuous development of China's electronics industry, various industries on a variety of industrial-grade products, such as quality, technology and other requirements are also constantly improving, to achieve the product in terms of quality, performance and other aspects of the enhancement and so on, it is necessary to technological innovation of the product, so technological innovation has become the primary issue of enterprise development. In the industrial control industry, generally more than 24V bus power supply, its voltage variation range is large, if the distance is far away from the case may reach 30% variation or even higher, if the product does not take some safety measures and protection circuits and directly introduce the power into the control chip as the product of the front power supply, will be due to the circuit of the voltage fluctuations and interference will be a great impact on the system. The key, first of all, from the product's power supply (i.e., power supply) to do, such as the use of traditional linear power supply as the product's internal power supply, whether from the volume, output voltage accuracy, or conversion efficiency, are far from being able to meet the high reliability, high stability, and advocate energy saving, safety first of the theme of the new century.
        In view of this situation, the study, found that the main problems are: large product size, start-up current, low voltage out of control, low output accuracy and other issues. In response to this series of problems, many modular power supply manufacturers compete fiercely, the modular power supply from the circuit design, manufacturing process, to testing and other items of the whole line of innovation, modular power supply manufacturers to push a variety of power levels of the module, allowing input voltage fluctuations up to 50% of the range up to 85-90% conversion efficiency, and to meet the industrial level -40 ~ ~ +85 ℃ working conditions under full load long-term work, and the module can suppress electromagnetic interference and eliminating electromagnetic interference and eliminating the low voltage runaway, low output accuracy. It can suppress electromagnetic interference and eliminate ground loops, protect system circuits from external networks, and at the same time reduce power consumption and simplify circuits.
        In the industrial control industry, taking into account the working environment may be in the outdoor or high voltage and high magnetic field environment, there may be pulse surge or encounter sudden lightning strikes, etc., the use of modular power supply isolation protection alone, will be slightly inadequate. In order to better protect the DC / DC power supply module and the back stage circuit, you need to add certain peripheral circuits to better protect:
        Option 1 Common mode interference
        Some common mode interference in the circuit, we can consider using a common mode choke at the input of the module to suppress, as shown in the figure below:

The use of common-mode choke can largely inhibit common mode signal interference, on the one hand, can prevent the interference of the front power supply to the module power supply, on the other hand, can be isolated from the module power supply due to its own noise generated by the impact of the front stage circuit. In addition, for the higher requirements of the occasion can be added to the input and output filter network LC, as shown in Figure 2: can effectively suppress the noise ripple of the module. However, it should be noted that the choice of its filter circuit parameters must be appropriate, in particular, the output capacitance value C2 must be avoided to avoid too large, in order to prevent the module from starting poor or damaged (wide-voltage module is generally recommended to use 100uF, fixed-voltage is generally recommended to be no more than 10uF); for the L1/L2 is recommended to choose a few dozen uH, pay attention to avoid too large, in order to prevent the cause of vibration, and at the same time, also consider not to resonate with the module. Module resonance.
         Program two high voltage pulse impact
         Input sometimes there is also the possibility of high voltage pulse impact, as well as stronger interference or EMC requirements of the circuit is more stringent, should be considered in the input plus the self-recovery FUSE and TVS tubes for a level of protection, so that effectively clamp the high pulse interference voltage in the module within the range of tolerable values, and in the output side of the increase in the common-mode choke or capacitance of the safety regulations. As shown in the figure below:

However, it should be noted that the choice of TVS tube must be based on different occasions to select the appropriate power and voltage value, so as to effectively prevent the impact caused by instantaneous strong interference. Such as TVS tube selection of the voltage value is too low will affect the normal operation of the module, the voltage value is too high, but also on the power supply module and the back-end circuits do not play a role in safety protection. In addition, for a long time pulse impact, but also consider the persistent over-voltage and over-current clamping circuit protection. Safety capacitor C3 value is recommended to choose 47-100pF, the choice of voltage value should be ≥ isolation voltage value (1000, 3000, 6000VDC).

In-depth analysis of Aipu Electronics' technology applications in the industrial control industry - Driving industrial innovation and development

With the advancement of global industry 4.0, the industrial control industry is experiencing unprecedented changes. Against this backdrop, Aipu Electronics Technology Co., Ltd, as a professional supplier of modular power supplies, the application of its products and technologies in the industrial control industry is particularly important. In this article, we will discuss in detail the application of Aipu's technology in the industrial control industry and how it promotes industrial innovation and development.

Ⅰ.Overview of Aipu Electronics

Founded in 2004, Aipu Electronics specializes in the research and development, production, sales and service of modular power supply. The company has a series of core technologies with independent intellectual property rights, and its products include DC-DC modular power supply, AC-DC modular power supply, communication isolation transceiver module and so on. In the industrial control industry, Aipu's products and technologies have been widely used to provide stable and efficient power supply solutions for all kinds of industrial equipment.

Ⅱ.the technical application of EPRO Electronics in the industrial control industry

1  High reliability power module

1) Technical characteristics

Anti-interference ability: EPRO's power modules have good anti-electromagnetic interference ability, adapting to the complex industrial environment.

Wide temperature working range: the product can work stably in the temperature range of -40℃ to 85℃, meeting the needs of use in extreme environments.

Long life: High-quality components are used to ensure the long life of the power supply module under continuous working conditions.

2) Application example: power supply system for an automated production line

In this automated production line, the power supply module provided by Aipu Electronics ensures the stability of the production line under high load and long time operation, and reduces the equipment failure rate.

2  Customized power solutions

1) Technical characteristics

Individualized design: Provide customized design of power supply module according to customer's requirements, including output voltage, power and size.

Rapid Response: In response to customer feedback, Aipu Electronics is able to quickly adjust design solutions to meet urgent customer needs.

2) Application example: power supply system for an industrial robot

Aipu Electronics customized the power supply module for this industrial robot, achieving a perfect match between the power supply and the robot system, and improving the robot's performance.

3   Wide input voltage range power supply module

1) Technical characteristics

Strong adaptability: The power module has a wide input voltage range and can adapt to the voltage standards of different countries and regions.

Regulated output: maintains a stable output voltage even when the input voltage fluctuates widely.

2) Application Example: Global Factory Power Supply System of a Multinational Enterprise

Aipu Electronics' power modules are widely used in the multinational company's global factories, ensuring the stable operation of equipment in different voltage environments.

4  High-efficiency conversion power module

1) Technical characteristics

High Efficiency: Power module conversion efficiency is up to 90% or more, reducing energy consumption.

Low Power Consumption: In standby mode, the power module consumes very little power, which helps to save energy and reduce consumption.

2) Application example: a data center power supply system

Aipu Electronics' power modules provided the data center with a high-performance power solution that reduced the data center's operating costs.

5  Intelligent power management

1) Technical characteristics

Real-time monitoring: through the built-in sensors, real-time monitoring of the working status of the power module, to achieve fault warning.

Remote control: Support remote control function, which is convenient for users to monitor and maintain the power system in real time.

2) Application Example: Power Management System for an Intelligent Factory

Aipu Electronics' power modules are centrally managed in this smart factory, improving the factory's level of intelligence.

6  compact design power supply module

1) Technical characteristics

Miniaturization: The compact design saves space and facilitates installation in limited spaces.

Lightweight: The power modules are lightweight and easy to handle and install.

2) Application example: a precision instrument power supply system

Aipo Electronics' power modules provide a miniaturized power solution for this precision instrument, meeting the high space requirements of the equipment.

7  High protection grade power supply module

1) Technical characteristics

Protection level: The power module has a high protection level to adapt to the harsh industrial environment.

Dustproof and waterproof: effectively prevent dust and moisture intrusion, to ensure the safe operation of the equipment.

2) Application example: an outdoor monitoring system power supply system

Aipu Electronics' power modules play an important role in this outdoor monitoring system, ensuring the stable operation of the monitoring system in harsh environments.

Ⅲ.the impact of Aipu electronic technology on the industrial control industry

Improve productivity: EPRO's power supply products provide a stable and efficient power supply for industrial equipment, which helps to improve productivity.

Reduced energy consumption: Using Aipo's power modules can effectively reduce the energy consumption of industrial equipment and realize green production.

Enhance product quality: Stable power supply is the key to ensure product quality, and Aipu's products provide a strong guarantee to enhance product quality.

Promote the development of industrial intelligence: The intelligent power supply solution of Aipu Electronics provides industrial equipment with the possibility of intelligent upgrading and promotes the intelligent development of industrial control industry.

IV. Conclusion

With its expertise in the field of modular power supply, Aipu Electronics has provided high-quality and highly reliable power supply products for the industrial control industry. In the context of Industry 4.0, Aipu Electronics will continue to give full play to its technological advantages, help the industrial control industry to realize intelligent upgrading, and contribute to China's industrial development. With the continuous progress of technology, the application of Aipu Electronics in the industrial control industry will be more extensive, and play a greater role in promoting the intelligent development of industry.

Monitoring system Ethernet line protection design

I. Overview of interfaces

RJ45 Ethernet interface is the most widely used interface for communication equipment, and the EMC performance of Ethernet port is related to the stable operation of communication equipment.

II. Ethernet Interface Circuit Design

1  Ethernet circuit protection

The protection of Ethernet circuits requires a more fine-grained treatment, as its implementation (indoor to outdoor) will determine the level of robustness required to protect the device. The basic question that needs to be answered is whether the user is the only threat (consider ESD) or whether the port will also be affected by lightning transients. For installations where the Ethernet port is connected to a local router or indoor camera, there is little to no lightning coupling to the circuit, so ESD would be the only threat. In this case, the capacitance of the protection device should be around 4pF or less, since the data rate is greater than 100mb/s.

For those installations (equipment boxes) with long cables (100m) where Ethernet hardware is mixed with electrical hardware and circuitry, standards such as GR-1089 can be applied. In these cases, the specifications in the building are the most important, which include provisions for the use of up to 100A peak pulse current (for 2/10μs waveforms) for two-pair interfaces (e.g., 100Base-T) and 36.4A peak pulse current (1.2/50μs and 8/20μs waveforms) per conductor for four-pair systems (e.g., 1000base-T) Regulations.

For Ethernet installations where the camera is outdoors, the likelihood of directly coupled lightning transients is very high. In this case, a lightning surge is defined as having a peak pulse current of 500A (for a 2/10μs waveform). Due to the extremely high energy, thyristor-based solutions are required for line-side protection. For the physical layer side of the transformer, the installation of a diode array "clears" any energy allowed to pass through the line side protection.

Tip: If the device is metal cased and the single board can be independently divided into interface ground, then the metal casing and interface ground are directly connected electrically and the single board ground is connected to the interface ground via a 1000pF capacitor.

2  Power over Ethernet

As mentioned above, the key to the ease of installation of many surveillance camera systems is Power over Ethernet (PoE). As expected, this adds another consideration to the protection scheme - it is not present in the standard data-only Ethernet circuitry. That is, at both ends of the application, Ethernet circuits are connected to the power supply. On one side is the power supplying equipment (PSE) that provides the power, and on the other side is the powered device (PD) that uses the power, such as an IP camera.

In addition to protecting the data lines, the power supply (PSE or partial discharge) is also protected. In other words, protect the data lines based on the type of installation (ESD only or surge + ESD) and add power protection based on its unique needs. Consideration should also be given to how the power supply is implemented (Mode A or Mode B).

Mode A and Mode B implementations refer to how power is loaded or removed from the Ethernet circuitry. For 100Base-T Ethernet, only two available objects are used. The other two pairs are spares and are not used. For Mode A PoE, power will be realized on the spare objects. In a Mode B installation, power will be realized on the data lines. Finally, it should be noted that the direction of the DC power signal (up to 57 Vdc) is not specified. It can be inserted into any of the poles.

The most common power protection solution is to use a bidirectional TVS diode between the input and the power supply. Regardless of polarity, the bidirectional diode is chosen to avoid line voltage.

Transient protection (ESD and surge) should be considered to ensure the reliability of security system components and network functions throughout the life of the installation. In most cases, only basic ESD protection is required, and equipment or cables exposed to open outdoor environments should also be protected from the threat of lightning surges. Power supplies are also subject to transient voltage events and require protection.

III. Connector design

The way the connector is lapped to the body:

1) When the panel is punched, precision milling technology is used to make the shape of the eyelet more suitable for the placement of the connector, avoiding gaps where the eyelet is inaccurately cut and further reducing the electromagnetic interference radiation; tests have shown that precision milling can improve electromagnetic compatibility by 12~18%.

2) Add shrapnel to the connection between the fuselage and the 100 Megabit Ethernet metal connector to maintain good conductivity when the two connectors are connected. The specific overlay is shown in the figure above.

IV. cable design

1  Cable design

1) RJ45 signal cable is shielded with mesh braided shielding layer, and the braiding density of the mesh braided layer is not less than 90%;

2) Internal wiring, differential cable using twisted-pair transmission, twisted-pair distance is generally 3 times the diameter of the signal cable;

3) Magnetic rings shall be added to both ends of the cable. The inner diameter of the magnetic ring should be close to the outer diameter of the cable. Try to choose thick and long magnetic rings.

2  Alignment design

1) RJ 45 cables should be routed away from other sources of strong interference, such as power modules;

2) Cables should be wired separately or at a distance of 250px or more from other analog and power cables and should not be bundled with other cables.

3  Overlap of shield and metal connectors

1) The shielding of shielded cables requires a 360° overlap with the metal connector;

2) Shielded cables should avoid the phenomenon of separate "tails" of the shield.

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