Industrial Ethernet is a powerful regional and cell network based on IEEE 802.3 (Ethernet). Industrial Ethernet provides a seamless integration into the new multimedia world. The wide range of applications offered by intranets, extranets, and the Internet has not only entered today's office space, but also applied to production and process automation. Following the successful operation of 10M baud rate Ethernet, the switch function, full-duplex and adaptive 100M baud rate Fast Ethernet (IEEE 802.3u compliant) has also been successfully operated for many years. The Ethernet performance of the performance depends on the needs of the user. Universal compatibility allows users to seamlessly upgrade to new technologies.
Ethernet used in the industrial field is generally the data link layer and physical layer using the current commercial Ethernet standard, and the application layer is redefined by various manufacturers, such as Siemens PROFINET, B&R POWERLINK and so on. In order to make Ethernet have real-time transmission performance, it is more suitable for industrial field use requirements.
The idea that the network is the control has been more and more accepted by users. The traditional distributed control systems based on RS485, CAN and other buses are being replaced by the industrial Ethernet network based on TCP/IP protocol due to its inherent defects. The Ethernet bus is the same as the LAN we are using now. It uses a unified TCP/IP protocol to avoid communication problems between different protocols. It can be directly interconnected with LAN computers without additional hardware devices. Data sharing in the local area network, it can use IE browser to access terminal data, instead of special software, it can seamlessly connect with the existing LAN-based ERP database management system, it is especially suitable for remote control, with telephone switching network And GSM, GPRS wireless telephone network to achieve remote data acquisition, it uses a unified network cable, reducing wiring costs and difficulty, to avoid the coexistence of multiple buses. Industrial Ethernet bus is gradually gaining popularity at home and abroad because of its many advantages. Now there are a large number of supporting products in use. Such as Industrial Ethernet HUB, Industrial Ethernet Firewall, Industrial Ethernet, Ethernet to RS232/RS485, Ethernet A/D module, Ethernet D/A module, Ethernet AI module, Ethernet AO module, Ethernet DI module, Ethernet DO module and composite function module.
A typical industrial Ethernet network environment has the following three types of network devices:
Network component
Connecting part
FC quick connect socket
ELS (Industrial Ethernet Electrical Switch)
ESM (Industrial Ethernet Electrical Switch)
SM (Industrial Ethernet Fabric Switch)
MC TP11 (Industrial Ethernet Fiber Optic and Electrical Conversion Module)
Communication medium
Common twisted pair, industrial shielded twisted pair and fiber
Industrial Ethernet communication processor on the PLC controller. Used to connect the PLC to Industrial Ethernet.
Industrial Ethernet communication processor on PG/PC. Used to connect a PG/PC to Industrial Ethernet.
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