由于高新技术的不断发展，仪器仪表的微型化，数字化已得到实现。90年代高精确度、高性能、多功能仪器仪表都已经采用微处理器件。而作为工业控制和自动化领域的各种新技术、新方法、新产品的发展趋势和显著标志智能化是自动化技术当前和今后发展的动向之一。-Due to the continuous development of new and high technologies, the miniaturization of instrumentation, digital has been achieved. 90' s high-precision, high-performance, multi-function instrument microprocessor pieces have been used. As the field of industrial control and automation of a variety of new technologies and new methods, new product development trends and significant signs of intelligent automation technology is the current and future trends in the development of one.