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Journal of Applied Sciences

Year: 2013  |  Volume: 13  |  Issue: 8  |  Page No.: 1269 - 1280

Design of the High-speed Communication System Based on the Serial Real Time Communication Specification II

J.L. Gao, X.X. Huang, H.T. Song, W. Chen and N.H. Quan

Abstract

To realize the high-speed, realtime and high-reliability communication between the controller and the servo motors, the high-speed communication system is developed. It is based on Sercos II (serial real time communication specification II). One modeling scheme fitting for the communication system based on Object-Oriented Technology (OOT) and Unified Modeling Language (UML) is presented. It gives in-depth discussion about modeling the system based on UML, designing of the software and hardware of Sercos II master/slave station, real-time performance calculation and consistency verification. Eventually, the system is applied in 3-axis numerical control machine tool. It can send the control instructions with 4 bytes to 1-6 servo motion axles and receive the feedback parameters with 4bytes within control cycle of 0.5 m sec.

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