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高能物理实验发展趋势使探测器阵列越来越大,数据路数越来越多,探测截面越来越小,于是不但触发率高(如10~6/s),而且每次触发要处理的数据量亦变得可观。现行的CAMAC系统面对这种情况,其弱点越来越突出。1975年起有人提出需要研究和发展新的数据获取系统,以适应正在发展的高能物理实验的需要。新系统称为快总线(FastBus,简写“FB”)。
The trend of high-energy physics experiment is to make the detector array larger and larger with more and more data paths and smaller and smaller detection cross-sections, thus not only high triggering rate (such as 10 ~ 6 / s), but also triggering The amount of data has also become significant. The current CAMAC system in the face of this situation, its weaknesses become more and more prominent. Since 1975, it has been suggested that there is a need to research and develop new data acquisition systems to meet the needs of developing high-energy physics experiments. The new system is called FastBus (abbreviation “FB”).