工业控制机是指能够提供各种数据采集和控制功能;能够与工业对象直接接口;能够在恶劣的工业环境中可靠运行的计算机。STD总线是“标准总线”的英文缩写(Standard Bus)。目前在微机领域中有多种总线,如IBM、PC总线,VME总线,STD总线等。据国外有关资料统计,STD总线在整个计算机领域的采用率仅次于IBM、PC总线,而在工业控制领域内它的采用率则高居首位,已经成为主流总线。STD总线工业控制机近年来在国内外已获得了 Industrial controllers are those that provide a wide range of data acquisition and control functions, that interface directly with industrial objects, and that operate reliably in harsh industrial environments. The STD bus is the “Standard Bus” abbreviation (Standard Bus). At present there are a variety of bus in the field of computer, such as IBM, PC bus, VME bus, STD bus. According to foreign statistics, STD bus in the computer field after the adoption rate of IBM, PC bus, and in the field of industrial control it is the highest adoption rate, has become the mainstream bus. STD bus industrial control machine in recent years at home and abroad have been obtained