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为了实现选矿加药自动化，达到在选矿过程中按照工艺要求定时、定量、定点地将各种选矿药剂加入矿浆料糟之目的，探讨用微机控制选矿加药机。合理选择控制系统的软硬件结构，妥善解决有关技术问题，即以ＰＬＣ作为下位机控制药剂流量，ＩＰＣ作为上位机实现加药量控制模型计算和相关处理，通过ＰＬＣ和ＩＰＣ的串行通信单元实现数据和控制信息的交换，使该系统达到预期的控制目的。
In order to achieve the automation of dressing and dosing, it can achieve the purpose of adding all kinds of dressing agents into the ore slurry at fixed time, quantitatively and fixedly according to the technological requirements in the beneficiation process, and discussing the use of computer controlled dressing and dosing machine. Reasonable choice of control system hardware and software structure, to properly solve the technical problems that PLC as the next crew control the flow of medicine, IPC as a host computer to achieve dosing control model calculation and related processing, through the PLC and IPC serial communication unit Data and control information exchange, the system to achieve the desired control purposes.