下位机

下位机程序编制使用PLC自带软件包，程序主要完成数据采集、转换、传递任务以及实现各种工艺控制、连锁保护等控制回路功能。

The program of plc fulfills the function of data collection , transform , transfer and control for craftwork and interlock .

本研究详细介绍了系统的设计方法，包括各元器件的选型、硬件电路的设计、下位机的控制程序设计、PLC与上位之间的通信程序设计、上位机监控软件的设计。

The methodology of system design is detailed introduced , including the component selection , hardware circuit design , PLC control program design , the communication design between the PLC and PC , and the design of the host computer monitoring software .

容错技术在软件抗干扰中的应用&标准液压阀B级试验台上、下位机数据通信过程中采用容错技术提高抗干扰能力的设计方法

The application of error tolerant technique to anti jam with the aid of software

软件系统由下位机程序、USB驱动程序和上位机程序组成。下位机程序即固件程序用C语言开发；

Firmware , USB driver and advanced application program constitute software system .

下位机用可靠性高的PLC作为程序执行器，控制拉弯机的各种电磁阀完成各种加工任务。

The downer controller is high dependability PLC and control electromagnetism valve produce parts .

基于DSP的配电系统故障录波器下位机设计

The Design of Lower Computer of Fault Recorder of Distributing System Based on DSP

打标数据通过USB接口传输到下位机。

Marking data transfer via USB interface to the lower machine .

简述了上下位机通信系统，较详细地介绍了在快速BASIC语言环境下系统应用程序的开发和使用状况。

It describes host / vice microcomputer communication system . Development and application user program in the QUICK BASIC language environment are presented in detail .

异步串行通信下位机的FPGA设计与实现

The FPGA Design and Development of the Under Levels Computer in Asynchronous Serial Communication

基于VB界面的上位机与下位机的无线通信

The wireless communication between master and slavers based on VB interface

Win环境下用Delphi实现与下位机通信几种方法

Some methods of using Delphi to realize communication with control device in windows environment

基于CDMA电信基站监控下位机的软件实现研究

Software Implement Research of Telecom Base Station Monitoring Machine Based on CDMA

其中上位PC机软件采用VISUALBASIC6.0设计，而下位机软件则采用汇编语言设计。

And also , the upper PC control-software and the base software were developed with Visual Basic 6.0 and assembly language respectively .

系统的下位机采用动态组合NeuronC函数模块的方式实现控制程序的组态；

In the system , programs in the nodes construct control system dynamically by using Neuron C function modules .

下位机软件主要采用C语言做程序开发，实现数据采集、存储、传输等软件模块的设计。

Hypogynous machine regards C language in order to develop , which include data acquisition , storage , data transport software module and so on .

设计了下位机控制单元的实现方案，包括外部扩展的显示模块（LED）、红外遥控模块、通信模块等的设计方法。

Design the realizing methods of controller unit , including LED display module , communication module , infrared remote controller module , etc.

该测试仪采用上下位机通讯的方式，主机为PC兼容机，完成对测试结果的显示、统计、报表等任务；

The upper computer is a compatible PC that is used to display the test results , statistics , reports etc.

本文介绍一种分布式电磁搅拌器计算机控制系统，下位机以内含式PLC为核心控制多台电磁搅拌器；

This paper introduces a kind of Distributed Multifunctional EMS computer control system . Building-in PLC controls four electromagnetic stirrers .

根据运动要求，利用伺服电机驱动函数和上下位机通讯函数编写运动控制程序，并根据要求对PLC进行了I／O扩展，设计了相应的PLC程序。

To meet system requirements , the I / O of PLC is extended and the PLC program is designed .

下位机PLC程序设计中实现了预估模糊PID控制算法和洗涤转动角度的闭环控制。

The PLC control programs can realize closed-loop control of fuzzy-PID controller with predictive model designed and washing rotary angle .

基于USB的苹果内部品质检测系统的上下位机通信方法

Communication Method between Upper and Lower Computer of Inspection System on Apple Internal Quality Based on USB

单片机作为下位机主要任务是和GPRS进行通信。

So the main task of MCU as lower computer is to communicate with GPRS .

根据所设计的硬件结构，对DSP为核心的控制器进行了下位机程序的编写，对整个控制系统进行了软件设计，完成控制器的完整实现。

According to the design of the hardware structure , DSP as the core controller for the lower machine was programmed .

用Delphi语言实现上下位机的串行通信

The Realization of Serial Communication Between a Master Computer and a Slave Computer with Delphi

主要包括控制程序整体设计，模块化PLC控制程序编写，基于工业以太网的上下位机通讯程序编写。

Mainly includes the control program design , modular PLC control system programming , upper and lower communication programming based on Industrial Ethernet .

下位机采用PID算法，形成闭环控制，对电机的运动速度进行控制，并加入了扰动解耦环节，提高了机器人运动的精确性。

We adopted the PID algorithm in the closed control circle to control the speed of the motor to improve the motion precision .

板材FMS下位机人机接口的设计与实现

Implementation and Design for Human Interface of Lower Levels Controller on Sheet Metal FMS

上位机一般放置在煤矿绞车房或其它值班室，它采用RS&485总线方式与下位机进行远程通信，其监测软件使用可视化高级语言VISUALBASIC编程。

It communicates with Sub-devices through the serial port with the mode of RS-485 bus , and the monitoring software is programmed by the visual higher level language of Visual Basic .

而整个系统采用工控机操作监控和视频监视，PLC控制的上下位机控制模式。

The whole system uses the fluctuation machine control mode which is " industrial PC operation monitoring and video surveillance and PLC control " .

介绍了下位机与上位机串行通信的实现，其中下位机采用ARM技术，上位机采用Delphi编程开发的串口通信程序。

This paper introduces the serial communication between ARM unit and PC which contains the serial communication programme developed by Delphi .