Crane operation of the various agencies to rely on the programcontroldevice to achieve, and now more than the use of a crane to control the programmable controller.
起重机各机构的运行要依靠程序控制装置来实现，现在起重机多使用可程序控制器来控制。
2
In this paper, a temperature programcontroldevice based on the single chip computer 8031 is designed, its principle, structure and functional characteristics are introduced.
本文设计了以单片机8031为核心的温度程序控制议，并介绍了它的原理、结构及功能特点。
3
PLC intelligent control system, devicecontrolprogram run by automatic, improve production efficiency.