应用科技
應用科技
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YING YONG KE JI
2014年
3期
31-35
,共5页
赵丹%鱼展%刘少刚%舒海生%张驰航
趙丹%魚展%劉少剛%舒海生%張馳航
조단%어전%류소강%서해생%장치항
三菱变频器%RS485%网络控制%转速控制%转矩控制
三蔆變頻器%RS485%網絡控製%轉速控製%轉矩控製
삼릉변빈기%RS485%망락공제%전속공제%전구공제
Mitsubishi inverter%RS485%network control%speed control%torque control%IPC
针对变频器控制面板操作复杂,专业化要求较高且无法实现实时控制的问题,建立了基于RS485串行通信接口的三菱变频器网络控制系统。采用三菱变频器专用通信协议实现工控机对变频器的启动、状态监测以及对变频器内部参数的读写。以速度控制为例,给出了基于RS485进行串行通讯控制的解决方案。实验结果表明,该方案可以实现电机在工作过程中的平滑无极调速,调速精度小于±0.2%。
針對變頻器控製麵闆操作複雜,專業化要求較高且無法實現實時控製的問題,建立瞭基于RS485串行通信接口的三蔆變頻器網絡控製繫統。採用三蔆變頻器專用通信協議實現工控機對變頻器的啟動、狀態鑑測以及對變頻器內部參數的讀寫。以速度控製為例,給齣瞭基于RS485進行串行通訊控製的解決方案。實驗結果錶明,該方案可以實現電機在工作過程中的平滑無極調速,調速精度小于±0.2%。
침대변빈기공제면판조작복잡,전업화요구교고차무법실현실시공제적문제,건립료기우RS485천행통신접구적삼릉변빈기망락공제계통。채용삼릉변빈기전용통신협의실현공공궤대변빈기적계동、상태감측이급대변빈기내부삼수적독사。이속도공제위례,급출료기우RS485진행천행통신공제적해결방안。실험결과표명,해방안가이실현전궤재공작과정중적평활무겁조속,조속정도소우±0.2%。
Aiming at the complex , specialty requirements and unfulfillable real-time control of a frequency changer , the Mitsubishi inverter network control system based on RS 485 serial communication interface was established .Mit-subishi inverter communication protocol was used in inter-process communication ( IPC) to drive control panel star-tup, monitor status, as well as read and write to the inverter internal parameters .Speed control and torque control application case were given based on RS 485 serial communication and control solutions .The results show that the smooth stepless speed regulation can be realized during the working process and the precision is less than ±0.2%.