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Industrial Switch Features and Benefits

2018-07-05

Industrial switches are also known as Industrial Ethernet switches. Ordinary Ethernet did not take into consideration the application requirements of industrial networks at the beginning of design. Therefore, when network equipment is deployed on industrial sites, the stability of ordinary commercial switches suffers from severe working environment, severe electromagnetic interference, etc. Great challenge. For this reason, industrial Ethernet switches with high reliability, stability and security emerge as the times require, becoming a transmission tool that can adapt to complex industrial environments and facilitate the deployment of industrial automation networks. 


Because industrial switches can tolerate harsh working environments, product lines are abundant, and port configurations are flexible, they can meet the needs of various industrial control applications. With the rapid development of industries such as electric power, metallurgy, petrochemical, environmental protection, transportation, and construction, the demand for industrial Ethernet switches for information technology in all walks of life is also increasing. 

So, what are the advantages of industrial switches compared to common commercial switches? The following details for you. 


Second, the main advantages of industrial switch products

1, using industrial components

Industrial switches have high requirements for the selection of components and must withstand the detection of harsh environments. Therefore, they can adapt well to industrial environments and support industrial applications under various harsh environments. 


2, fast ring network, fast redundancy

Industrial switches generally have a fast ring network and fast redundancy. The system redundancy time can be less than 50ms. Although commercial products can also form redundant networks, the self-healing time is more than 10-30 s and cannot meet the needs of the industrial environment. For example, the industrial ring network switch developed and produced by Unitech is at least 20 ms self-healing. 


3, super anti-jamming performance

Industrial grade switches have strong anti-interference performance, can work in harsh electromagnetic environment, and have a high degree of protection in lightning protection, waterproof, anti-corrosion, anti-impact, anti-static and other aspects, and commercial-grade switches are Do not have these characteristics. For example, UTP 8-port POE full Gigabit industrial switch has 6KV lightning protection, industrial grade 4 protection and anti-jamming capability. 


4, adapt to a wide temperature environment

Industrial switches generally use wrinkled metal shells, which provide better heat dissipation and better protection. They can operate normally within the temperature range of -40°C to +75°C, and are well suited to complex temperature and humidity conditions. However, commercial switch products can only work in the range of 0°C to +50°C, and they cannot meet the requirements for working under severe weather conditions. 


5, redundant power supply design

Power supply is a very important part of industrial switches. Power failure generally accounts for more than 35% of equipment failure rate. To avoid the trouble caused by power failure, industrial switches use dual power redundancy design to ensure stable and reliable operation of the system. Commercial products generally use AC single-supply power supply and are not suitable for applications in industrial environments. 


6, long service life

Industrial switches use industrial-grade solutions from the shell material to the supporting components. Therefore, the reliability of the product is higher, the service life is longer, and the typical service life is more than 10 years. The service life of general commercial switches is 3-5 years. 

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Third, select the main measuring factors of industrial switches

1, reliability

In an industrial field environment, reliability is critical. The factors that affect product reliability include: tolerance of the equipment hardware to the working environment: such as operating temperature range, EMC electromagnetic compatibility, lightning protection level, installation and power supply modes, fanless design, redundancy, fault diagnosis, and Resilience and so on. In the parameter description of the product, there should be a detailed description of the operating temperature range, electromagnetic protection, lightning protection level. 


2, real-time

The network data transmission will have a certain delay, so the first thing to consider when choosing an IE switch is the port delay in the process of the switch forwarding the data frame. In a standard factory automation control system, the system can tolerate a response time of no more than 10 milliseconds. Therefore, when selecting the switch, it should be noted that the value of the switch port delay should not exceed 10 microseconds. 


3, compatibility

Industrial Ethernet switches and other components of industrial Ethernet should be able to communicate using the standard TCP/IP protocol. In any case, there should be no incompatibility between the Industrial Ethernet device and the commercial Ethernet device. Corresponding to different industrial fieldbus solutions, Industrial Ethernet devices should have corresponding capabilities and compatibility. 


In addition, during the process of selecting an industrial switch, the user should also select an appropriate twisted pair or fiber interface according to some basic requirements such as transmission distance and transmission bandwidth. When connecting video terminals, wireless base stations, and other devices, a PoE Power over Ethernet switch can be used for convenience. 


The main products in N-net  include: commercial/industrial fiber media converter series, commercial/industrial fiber switches, GEPON series, fiber video converter series, EOC series and the security monitoring core system, etc.


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Milla Lin

Ms. Milla Lin

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szjl@n-net.com.cn

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