Industrial Ethernet Protocol Analysis - Solutions - Huaqiang Electronic Network

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1. EthernetIP:

This industrial Ethernet uses an active switch to provide a seamless connection between the fieldbus and its devices and Ethernet. In addition, Ethernet is a star-line structure, which is convenient for simple wiring and maintenance work. In its star-shaped structure, communication components are used to make it compatible with Rockwell's fieldbus devices. The EthernetIP communication model also has its own characteristics: on the first to fourth layers, the Ethernet802.3 protocol is adopted, and TCP/IP is adopted on the top layer. On the user layer, the CIP specification is adopted to make ControlNet, DeviceNet and Ethernet share. User layer and application layer.

2. FFHSE (HighSpeedEthernet):

This is an Ethernet architecture introduced by the FF Foundation. The HSE adopts a star-like architecture and uses a switch to connect the FF fieldbus device for seamless operation. The switch also has a firewall function, which can effectively resist interference. The most important advantage of this type of Ethernet is the implementation of various levels of redundancy to ensure network reliability. The lower layer of the communication model uses the EthernetTCP/IP protocol, and the user layer and the application layer can be shared by the field bus and the HSE.

3. PROFINET:

It is an Ethernet architecture proposed by Siemens. Since Siemens advocated the protection of past investments, the introduction of its PROFINET fully considered the compatibility with PROFIBUS and realized the seamless connection between the two. In the communication model, the biggest feature of PROFINE is that it is component-based at its user level, and the engineering design model is used to realize the connection of components, so that multiple vendors' devices can be accessed in the system.

4, IDA

Unlike the above three architectures, IDA uses a complete industrial Ethernet architecture from the bottom to the top of the device, which is implemented by ModBus.