【摘要】 SD-175型排种器试验台是排种器性能试验的关键设备,利用PLC及智能型仪表构成SD-175型排种器试验台运行自动控制系统,本文结合试验台的工作原理.阐述PLC控制系统设计、系统构成、系统功能及程序。更多还原

【Abstract】 SD-175 seed-meter test platform is the key equipment for seed-meter performance test. PLC and intelligent apparatus constitute the working automatic control system of the type SD-175 seed-meter test platform. The design of PLC control system, the structure, the function, and the programs are expounded in combination with the working principle of the test platform in this paper.更多还原