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Embedded Ethernet based on uC/OS-II RTOS in protection devices

Zhengtian Li

Abstract

More and more users demand the embedded Ethernet be provided in the protection devices.And the seamless communication of the power station automation system,which is issued by the IEC61850 system,is based on Ethernet technology.The real-time character and reliability of Ethernet communication are resolved with the development of the computer technology and network technology.The paper introduces embedded the Ethernet communication module,which bases on uC/OS-II real-time operating system.In the paper,the method to implement embedded Ethernet is expounded from hardware,hardware driver program and TCP/IP protocol.The proposed Ethernet communication module has been applied in the low-voltage protection devices.

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Key concepts: Carrier Ethernet, Synchronous Ethernet, Ethernet Powerlink, Connection-oriented Ethernet, ATA over Ethernet, Ethernet over PDH, Ethernet over SDH, Industrial Ethernet