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一、前言 KB-40是机电部北京机械工业自动化研究所开发的一种小型PC(Programming Controller)机,产品设计基本国产化,可代替同类进口产品,性能价格比较高。它可以完成开关量的逻辑运算和控制。并且使用灵活方便,简单易学,可采用现场工作人员较熟悉的继电器梯形图直接编程。这种小型PC具有较强的抗干扰能力,使用环境无特殊要求,可广泛用于各种工业部门。我们受华北电力局发电处委托,承担了小型锅炉20T/H的安全保护装置研制任务。目前已经在北京第一热电厂5号炉投入运行
I. Preface KB-40 is a kind of small-sized Programming Controller (PC) developed by Beijing Institute of Machinery Industry Automation of Ministry of Machinery and Electricity. Its product design is basically made in China. It can replace similar imported products with high performance and low price. It can complete the logical operation of the switch and control. And the use of flexible and easy to learn, easy to use on-site staff more familiar with the relay ladder programming directly. This small PC has a strong anti-interference ability, the use of the environment without special requirements, can be widely used in various industrial sectors. We were commissioned by the North China Electric Power Bureau Power Generation Division, assumed a small boiler 20T / H safety protection device development tasks. At present, it has been put into operation in No.5 furnace of Beijing No. 1 Thermal Power Plant