Ethernet switch is a common network device, and Industrial Switch is an Ethernet switch with industrial characteristics.It plays a vital role in rail transit, intelligent manufacturing and industrial automation control system.With the continuous improvement of industrial automation, the requirements for Industrial Switch are getting higher and higher.In this paper, Industrial Switch is introduced in detail from the aspects of its principle, advantages, features, applications and future development trends.
The Industrial Switch connects to various industrial devices, such as sensors, PLCs, human-machine interfaces, etc., via a physical interface.When industrial devices need to communicate with each other, they send packets to the Industrial Switch.The switch identifies the destination of the packet based on the MAC address and forwards the packet to the appropriate port.
When the Industrial Switch is transmitting data,The rapid transmission of data packets can be achieved through a variety of technologies such as store-and-forward, cut-through forwarding, and fragmentless forwarding.In the process of forwarding, Industrial Switch adopts flow control, congestion control, error packet retransmission and other technologies.Ensure the stability and reliability of data transmission.By supporting various redundancy technologies and industrial protocols, the reliability, stability and compatibility of the network are improved.Thereby adapting to the data communication requirements of various industrial sites.
The Industrial Switch offers several advantages over standard Ethernet switches:
The most basic feature of Industrial Switch is its industrial characteristics, such as its wide temperature design.Generally, it can work normally in the temperature range of -40 C to 75 C, coupled with the robust IP40 protection design.It can be adapted to the harsh working environment.
Industrial Switch adopts anti-interference technology, while industrial field environment usually has strong electromagnetic interference.It can effectively resist these interferences, thus ensuring the reliable transmission of data.
Industrial Switch uses a variety of redundancy technologies.Uch as ring network redundancy, link redundancy, equipment redundancy, power supply redundancy and the like, when the network or the equipment fails,Fast automatic switching is realized, so that the reliability and stability of the network are improved.
Support for a wider range of industrial protocols: Industrial Switch supports not only standard Ethernet protocols, but also various industrial protocols.Such as Modbus, PROFINET, EtherNet/IP, etc., can meet the various data communication needs of the industrial field.
Industrial Switch uses a variety of security measures.Such as VLAN isolation, MAC address filtering, IP address filtering, data encryption and so on, can effectively protect the security of industrial field networks.Prevent unauthorized access and data leakage.
In summary, relative to a standard Ethernet switch,Industrial Switch has higher reliability, stability, security and compatibility in the field of intelligent transportation and industrial automation.And can better meet various data communication requirements of the industrial field.
Industrial Switch supports full-duplex communication, which can send and receive at the same time, and has fast data transmission speed.It can meet the needs of high-speed data transmission in industrial applications.At the same time, it also supports technologies such as 802.1Q VLAN and 802.1p QoS, which can set the priority of various data flows.To ensure the efficiency of network data transmission.
Industrial Switch uses a variety of technologies, such as redundant backup, flow control, frame filtering, and so on.Ensure the reliability and stability of network data transmission.When the network is abnormal or the equipment fails, it can also realize rapid network recovery and equipment switching through RSTP, ERPS and other protocols.Ensure the continuity and stability of the industrial control system.
Industrial Switch supports multiple security protocols, such as 802.1x authentication, VPN, IPSec, etc.It can prevent illegal users and attackers from attacking and invading the network.At the same time, it also supports ACL access control list, port security and other technologies, which can control the access rights of users.Ensure the security of the network.
Industrial Switch provides a friendly management interface, which can be managed and monitored through Web interface, SNMP, etc.At the same time, it can also support automatic discovery and configuration, and can quickly connect new devices to the network.And improves the usability and the management efficiency of the network.
Industrial Switch is widely used in industrial control, manufacturing, energy and power, intelligent transportation and other fields.It can support the data communication of various sensors, actuators, PLC and other devices in the industrial automation system.Improve productivity and quality.At the same time, it can also support real-time video surveillance, remote maintenance and other applications, which improves the reliability and security of the system.In the fields of energy and rail transit, industrial switches can also support smart grid, intelligent transportation and other applications.To contribute to the sustainable development of cities and countries.
Industrial Switch is widely used in various industrial control systems in manufacturing industry.Such as automated production lines, robot control systems, CNC machine tool control systems, can improve the efficiency and accuracy of the manufacturing process.
Industrial Switch can be used in rail transit, highway transportation, intelligent high-speed and other transportation systems.Uch as a train signal system, a subway control system, a traffic light control system and the like,It can improve the safety and reliability of transportation.
Industrial Switch can be used in various energy power systems.For example, power plant control system, substation control system, power grid monitoring system and so on in smart grid.The reliability and the safety of an energy power system can be improved.
Industrial Switch plays a key role in the intelligent mine and intelligent coal mine network, and cooperates with the underground intrinsically safe industrial switch.For coal mine safety monitoring system, mine broadcasting communication system, mine personnel positioning system and coal mine integrated automation system and other mine systemsReliable data transmission is provided.
Industrial Switch can be applied to various automatic control systems in petrochemical production.Uch as an oil refinery control system, a chemical plant control system and the like, can improve the efficiency and the safety of a production process.
Industrial Switch can be used in a variety of environmentally friendly water treatment systems.Uch as a water treatment plant control system, a sewage treatment plant control system, etc., can improve the efficiency and reliability of the water treatment process.
Industrial Switch will be used more and more widely.The R & D team of Optical Path Technology has added time-sensitive network TSN technology to Industrial Switch.As the ultra-low latency TSN switch technology continues to mature,Low-latency Industrial Switch will see more demand scenarios around the world.
With the continuous development of industrial automation and the promotion of intelligent manufacturing,Industrial Switch will have more development opportunities and challenges in future applications.Among them, the following aspects are the future development trends of Industrial Switch.
As the scale of industrial automation systems continues to expand, network virtualization will become the future direction of development.Industrial Switch will need to support more virtual networks to improve the utilization and flexibility of network resources.
Machine learning and artificial intelligence will become important technologies for Industrial Switch in the future.Through real-time monitoring and analysis of network data, automatic network optimization and fault diagnosis can be realized.And the reliability and the stability of the system are improved.
The security of Industrial Switch will become more and more important.As network attacks and intrusions continue to increase, Industrial Switch needs to support more security technologies and protocols.To ensure the security and stability of the network.
With the continuous emergence of emerging technologies, such as 5G, Internet of Things, blockchain and other technologies,Industrial Switch will need to support more emerging technology applications.To achieve a more efficient, safer and more intelligent industrial automation system.
To sum up, Industrial Switch is an important network device in the industrial automation control system.It has the characteristics of high efficiency, reliability, safety and ease of use.It is widely used in intelligent manufacturing, industrial automation, smart grid, smart transportation, smart mine and other fields.With the continuous development of industrial automation and the promotion of intelligent manufacturing,Industrial switches will have more development opportunities and challenges in future applications.We look forward to IndustrialSwitch will be able to achieve more in network virtualization, machine learning and artificial intelligence, security and the application of emerging technologies in the future.The progress and achievements will make greater contributions to the technological development of the industrial 4.0 era.
