单片机智能仪表可靠性设计的研究

Research on the Reliability Design of Single chip Microcomputer Intelligent Instrument

为了提高仪表的可靠性， 本文介绍了一种基于Ｖ／Ｆ 变换器、光电耦合器、有源滤波器的数据输入通道以及软件和硬件密切配合的ＷＡＴＣＨＤＯＧ 的设计方案－ 该设计在实际运行中得到验证，

For increasing the reliability of instrument , a design which bases on data input channel using V/F transducer, photoelectric coupler, active filter, and watchdog with combining of software and hardware is introduced. The design has been applied in practice . It is shown that the design has good using value.