系统控制接口

It was simply introduced of composing and work characteristic of supervise and control system of the central air condition.

所以，对中央空调系统的有效控制及提供标准的通信接口是节能和系统集成的关键所在。

A detection system is presented for truth-preserving sampling corer in this paper. Based on control unit AT89S52, the temperature and pressure in the corer are monitored, and moreover, long distance transmission of digital signal is realized in this circuit.

介绍一种对保真取样器内部情况进行监控的检测系统，该系统以AT89552单片机为控制单元，对取样器内部的压力和温度进行检测，并利用RS485接口，实现数字信号远距离传输，在海底沉积物保真取样中有一定的实用性。

In this paper, it is introduced first the SPI module in Cygnal's microcontroller C8051F020, including its block diagram, definition and operation of configuration registers associated. Then the external pinouts, division of memory space and corresponding software commands of Atmel's SPI flash memory AT45DB081B are described in detail.

引 言C80 5 1F是Cygnal公司的8位片上系统型单片机系列，采用该公司的CIP 5 1微控制器内核，即在原有的80 5 1内核基础上，根据不同的应用场合增加相应的智能外设及接口，使得应用系统整个控制电路部分的设计开发变得简便迅捷，稳定性和可靠性大大提高。C80 5 1F0 2 0是该系列中功能较强、内部集成资源相当丰富的一款。

Data inspecting, saving, monitoring parameters real-timely and modifying injection and ignition parameters factitiously can be realized by communicating with ECU via RS-232C serial interface. Analyzing data, obtaining the best work nodes and drawing maps can also be realized by this system.

该系统使用RS-232C接口与自行开发的电喷系统的电控单元ECU进行通信，实现数据实时采集、保存、监控、在线修正的功能，并可以对采集的数据进行分析，获得各工况最佳工作状态点，绘制喷油和点火提前角MAP图，为实现电喷发动机的精确控制提供参考。

A new type of low2powerMCU realizing embedded USB high2speed, high2p recision data acquisition system design scheme was introduced. The design takes the low powermicrocontroller2based control STC12C5410AD with A / D converters in it as the control chip, connects a high degree of integration UART to USB chip, realizes the embedded data acquisition system USB interface design.

介绍了一种利用新型低功耗单片机实现USB嵌入式的高速、高精度的数据采集系统的设计方案；该设计以内藏A /D转换器的低功耗单片机STC12C5410AD为主控制芯片，连接高集成度的UART转USB芯片CP2101，实现嵌入式数据采集系统的USB接口设计。

A system and method of information dissemination that permits the user to listen to the specific content of information when and where he or she wants to. A radio or television receiver system receives information from an FM subcarrier, a television vertical blanking interval transmission, an active picture area television transmission, a television separate audio program transmission or a dedicated radio channel and stores the transmitted information in a memory. A user interface allows selection from the memory of the stored information via a set of menus controlling a hierarchical database, so as to access particular items of the information.

一种信息传播的系统及方法，当他或她希望的时候及场合，允许用户，收听具体的信息内容，射频电视接收机系统从FM副载波、电视垂直消隐间隔发送、活动图象区电视发送、电视分离音频节目发送或专用无线电频道接收信息，并将所发送的信息存储在一个存储器中，用户接口通过一组控制分级数据库的菜单实现从存储器中对存储的信息的选择，以存取专项信息。

In view of these shortcomings, this frequency meter has made the radical innovation in the design, its merit is: Uses the core component is the advanced monolithic special-purpose frequency measurement component -- monolithic frequency meter, the integration rate is high, the volume is small, consumes the electricity province, function, has realized the frequency meter high integration and the microminiaturization; So long as the monolithic frequency meter adds on the crystal oscillator, the measuring range choice, the frequency demonstrated and so on the very few components then constitute DC to the 10MHz miniature basic frequency measurement electric circuit; But the biggest merit was this frequency meter has realized monolithic frequency meter, frequency sampling electric circuit and the monolithic microcomputer three between hardware and the software connection completely, caused the frequency measurement measuring range the choice, the frequency data survey, the sampling as well as the code frontier transformation and the data dump possible monolithic microcomputer software programming automatically to carry on, thus has realized the frequency measurement and the sampling work intellectualizes completely, causes this system already to be possible to constitute a miniature intelligence to measure rate the instrument core electric circuit independently, also might take in the large-scale automatic control or a test system intelligent subsystem.

针对这些缺点，本频率计在设计上作了根本的革新，其优点是：所用核心器件是先进的单片专用测频器件——单片频率计，集成度高，体积小，耗电省，功能强，实现了频率计的高度集成化和微型化；单片频率计只要加上晶振、量程选择、频率显示等很少量的器件即可构成一个DC至10MHz的微型基本测频电路；而最大的优点则是本频率计完全实现了单片频率计、频率采样与单片微机三者之间的硬件与软件接口，使得测频量程的选择、频率数据的测量、采样以及编码的边境转换和数据的转储均可能过单片微机的软件编程自动进行，从而实现了测频与采样工作的完全智能化，使得本系统既可独立构成一个微型智能测率仪器的核心电路，也可作为大型自动控制或测试系统中的一个智能子系统。

The system adopts CPU board with fast processing elevator operational program, data signal exchange, and HMI screen, which can make sure reliable operation and high speed. It also has PHILIPS SJA1000T field CAN bus, 82C251 Bus interface and the latest serial storage technique to record data. The functions of external watchdog and control chip internal watchdog compose two-level procedure monitoring, so as to ensure the normal operation of the control program. Heavy-current switch power LM2576 ensures the stable system working power, which has low requirements for the power supply. High-speed optoelectronic isolator and internal frequency division technology can make NW3P08-41C (42C) CPU receive the input impulse up to 1-phase 100 KHZ*2 CHANEL or 2-phase 50KHZ*1 CHANEL 32bit.

系统采用原装中央处理板，具有快速的处理电梯运行程序、数据信号交换、显示屏人机界面；确保可靠运行电梯控制程序；且速度快，PHILIPS 公司 SJA1000T 现场 CAN 总线；以及 82C251BUS 接口，最新串行存贮技术记录数据；外部看门狗及控制芯片内部看门狗功能组成两级程序监视，确保控制程序正常运行；大电流开关电源 LM2576 确保系统工作电源稳定，且对供电电源要求低；高速光电隔离光藕及微机内部分频技术，使 NW3P08-41C(42C)中央处理板可接收高达 1 相 100KHZ*2通道或 2 相 50KHZ*1通道，32bit 的计数脉冲。

The chinese character menu under the graphics model is adopted as a interface which communicates the operator to the master computer. The C language is used to program the data system and the operating system. All the welding parameters are stored in the database of the master computer and those welding parameters which are frequently used are defined beforehand, furthermore the selectable extent of each welding parameter is given according to the variers welding technology. Mouse can input and change all the data and the welding order. In order to control the welding parameter on the spot in real-time, the remotely controller is designed.

本焊接机主机的数据系统和操作系统采用图形模式下的汉化菜单作为接口，主机的数据系统和操作系统均采用C语言编程；全部焊接参数都被固化在主机的数据库中，并预先定义了常用的焊接参数，每一参数根据不同工艺给定了参数选择范围，全部数据和命令可用鼠标输入和改变；另外，为便于焊接现场对焊接参数的实时控制，设计了远控盒。

At the same time, the API system interface to XP system control panel of the order information.

同时通过系统提供的API接口访问XP系统的控制面板的命令信息。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。