program control device

This paper introduces a control method of the automatic advertisement display device with micro-PLC, it also discusses about design method and design process of this control system. The control program and connection diagram are given.

介绍一种采用微型PLC控制多幅面广告展示设备的方法.阐述了该PLC控制系统的设计方法及设计步骤，并给出了相应的控制程序及接线图。

The core structure of Windows is discussed. The model and implementation principle of kernel state device driver are discussed too. The method and implementation process to access I/ O ports based on Vxd are intensively analyzed and program example about parallel interface control is given.

文章讨论了Windows核心结构、内核态设备驱动程序模型及实现原理，重点分析了基于Vxd驱动程序对端口的访问方法及实现过程，并给出了并口控制的驱动程序实例。

This article introduces a convenience and feasible system that can take advantage of program to control the I/ O of parallel printer interface to drive the stepping motors and that is applied in the experiment device of detection.

文章介绍了利用软件控制并行打印机接口的I/O来驱动步进电机，并且应用在检测实验装置中这样一个方便可行的系统。

The control device performs the functions such as program control, specific quantity control and interlock control.

定量发油控制仪主要实现程序控制、定量控制、防溢连锁控制、接地连锁控制等功能。

Program control device of spheroidizing annealing process for bearing ring blanks

套圈毛坯球化退火工艺程序控制装置

According to process requirements and equipment condition about distributing device, The thesis establishes the control program of hydraulic system about distributing device.

本文针对布料装置的工艺要求和设备情况，确定了布料装置液压系统控制方案。