基于DSP的PROFIBUS-DP运动控制从站开发

Development of PROFIBUS-DP motion control slave station based on DSP

针对PLC控制系统中PROFIBUS现场总线在高速运动控制系统中的应用,介绍了一种基于DSP的运动控制器与PROFIBUS-DP总线结合的运动控制智能从站的系统设计方案。在分析了系统结构软硬件环境的基础上,构建了相应的运动控制系统,并对此系统进行试验分析,从开发的角度介绍了利用DSP芯片与SPC3芯片设计带有智能化PROFIBUS-DP从站功能的运动控制从站的方法。实现了以WinCC为控制端,通过PLC网络中的DSP从站进行高速、高精度运动控制的目的。结果表明此方法具有较好的可行性和实用性,有助于PROFIBUS-DP总线在运动控制智能从站开发应用中的进一步完善和发展。

Aiming at the application of PROFIBUS field bus of the PLC control ,system in the highspeed motion control system, a design of intelligent motion control slave station combined with PROFIBUS-DP bus and the DSP-based motion controller is proposed. On the basis of analyzing the structure of hardware and software, the corresponding motion control system is developed and the experimental analysis is established. The method of designing the motion control slave station with intelligent PROFIBUS-DP slave station by use of the DSP and SPC3 chips is introduced. It achieves the function of DSP to control high-speed and high-precision motion system by PLC network based on WinCC control terminal. The experimental results show that the design method has good feasibility and practicality, and can perfect and improve the application of PROFIBUS-DP bus in developing intelligence motion control system.