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The characteristics of four mainstream protocols including Ethernet/IP, Profinet, EtherCAT and Ethernet Powerlink in industrial field network are analyzed respectively in the paper. According to the different requirements of the on-site production line level control system and the internal network of the automation equipment, it is significant to adopt the appropriate network protocol. In the on-site...
The field bus systems have been applied to the industrial automation. PROFINET is an optimized industrial network standard. It provides the service definition and protocols for real-time communication based on Ethernet. The basic characteristics and protocol analysis are presented in this paper. This paper depicts a topology model using Wire shark and Siemens PLC to capture PROFINET IO communication...
Through the research of EPA and MODBUS/TCP Industrial Ethernet technology, ARM embedded system and µC/OS-II real-time operating system, this paper designs and develops a communication gateway of EPA and MODBUS/TCP. The communication gateway can perform bidirectional data transceiving on EPA protocol and MODBUS/TCP protocol, which provides a secure, stable, real-time and flexible solution for process...
Field-level networks have been one of the keys to modern automation systems. Be it in factory, process, or building automation, networks allow for horizontal and vertical integration of distributed devices and functions. This paper reviews the evolution of field-level networks comprising fieldbus systems, industrial Ethernet, and recent industrial wireless networks. The main focus is on demonstrating...
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