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The opportunity of industry 4.0 is coming. The sales of industrial Ethernet is the first to surpass Fieldbus

with the rapid evolution of industry 4.0 mode, device interconnection has become more and more important. Countless machine connection demands on the production site have driven the industrial Ethernet market to rise. According to the latest results of the annual survey of the industrial IOT market by HMS of Sweden Industrial Network Co., Ltd., the Ethernet installation nodes used in the field of factory automation exceeded the traditional Fieldbus for the first time in 2017

data shows that the installed number of industrial Ethernet nodes increased from 46% in 2016 to 52% in 2017, while fieldbus decreased from 48% to 42%. Among them, ethernet/ip is the most widely installed industrial Ethernet for noise, vibration and harshness reduction (NVH), with its market share accounting for 15%, followed by PROFINET and PROFIBUS accounting for 12%, while wireless technology maintains a market share of 6%

the intelligent transformation of manufacturing needs high-performance networks to support. The integration of IOT solutions and factory equipment is promoting the use of industrial Ethernet. In the past, industrial Ethernet was in the transitional stage for a long time. Now, from the number of installed nodes, industrial Ethernet has replaced fieldbus

according to HMS report, although the market share of fieldbus is lost to industrial Ethernet, the number of Fieldbus installations increased in 2017, and its growth rate increased from 4% in 2016 to 6%. It can be seen that the industrial network market is in a stage of rapid development. However, network suppliers believe that the number of Fieldbus installations will decline steadily in the next few years

in 2017, the installed nodes of industrial wireless communication increased by 32% compared with 2016. Although wireless technology is expanding, its market share is relatively small, and finally maintained at 6%. Among them, WLAN is the most popular wireless technology, followed by Bluetooth. Wireless communication technology can reduce wiring and facilitate equipment connection and control. It is increasingly used by machine manufacturers and system integrators to implement innovative solutions, including solutions such as monitoring through tablets or smart connections

analysis shows that PROFINET and ethernet/ip are the main network protocols in Europe and the Middle East, among which PROFIBUS is widely used, and its networks including EtherCAT, Modbus TCP and Ethernet Powerlink are also popular; The American market is obviously developing towards ethernet/ip; In the Asian market, PROFINET, ethernet/ip, PROFIBUS, EtherCAT, MODBUS and CC link are widely used

why do manufacturers favor Industrial Ethernet

Industrial Ethernet is actually the application of Ethernet in industry. Due to the poor on-site environment, equipment connections often need stronger connectors and cables, and the most important thing is certainty. In order to achieve better certainty, industrial Ethernet uses special protocols. At present, the more popular industrial Ethernet protocols include PROFINET, ethernet/ip, EtherCAT and Powerlink

generally, the data transmission rate of industrial Ethernet ranges from 10 Mbit/s to 1 GB/s, of which 100 Mbit/S is the most popular speed in industrial Ethernet applications. Industrial Ethernet requires some additional consideration, rather than the Ethernet system used in the office. For example, users need to monitor different temperature, vibration, noise and other parameters of production equipment in the factory in real time through the network

Industrial Ethernet protocols such as PROFINET and EtherCAT are modified from traditional Ethernet standards, which not only ensure the correct sending and receiving of manufacturing equipment data, but also can send and receive instructions on time when the system needs to perform specific operations. For example, automation 3 After the experiment, 1 must turn off the power supply of the tensile testing machine and unload the fixture into the fixture box for next use. During the filling production process, it is necessary to send the filling data through the network to ensure that the bottle filling is carried out as expected and enter the next interface. An automatic report is generated in real time. When the bottle is full, the network will send a command to stop filling

data loss or delay between devices in industrial environment may lead to disaster, so the real-time and certainty of industrial Ethernet is very important. The industrial environment must ensure real-time perception of the state of the automated production process, and be able to complete the factory process requirements in a harsh environment

opportunities for edge automation and iiot

with the arrival of deterministic Industrial Ethernet protocol and zero fault redundancy protocol, some industry suppliers propose to develop sensors based on Industrial Ethernet ethernet/ip connection, but others say that it is not necessary to use sensors that support Ethernet, because IO link, Hart or wirelesschart can connect sensors and enter industrial Ethernet through conversion devices. Some process industry suppliers have developed potential new standards to connect sensors to industrial Ethernet by playing a leading and exemplary role in the development of strategic rare and precious metal recycling industry

in the past, many people in the automation industry insisted that industry would not extend to sensors, instruments and testing equipment, but today the era of industry 4.0 has arrived, and IOT solutions have further promoted the intelligent development of edge devices. Industrial Ethernet terminal devices, including sensors and i/o drivers, will play a key role in the future connectivity business strategy. In order to expand the analytical capabilities of devices, industrial Ethernet must be extended to the last device in the automation chain: sensors and i/o

equipment managers hope to use factory level information to make business decisions to a higher extent, so they turn their attention to intelligent products such as sensors and i/o. The ability to import data into cloud applications further promotes the demand for terminal devices with big data throughput and Ethernet support. These tasks exceed the capabilities of most dedicated traditional automation networks

Industrial Ethernet devices can meet the needs of iiot and industry 4.0, such as reducing machine downtime and improving production flexibility. Industrial Ethernet and wireless will become the main driving forces for these goals

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