IOP320 METSO 美卓卡件 处理单元

技术参数说明：IOP341 METSO 嵌入式工业控制器 用于执行指定独立控制功能

在以太控制网络中嵌入式控制器是一种很好的、基本的接入设备。
嵌入式控制器是用于执行指定独立控制功能并具有复杂方式处理数据能力的控制系统。它是由嵌入式微电子技术芯片（包括微处理器芯片、定时器、序列发生器或控制器等一系列微电子器件）来控制的电子设备或装置，能够完成监视、控制等各种自动化处理任务。
嵌入式控制器主要用于实时控制、监视、管理或辅助其他设备运转。它由微处理器芯片、固化在芯片内的软件及其他部件组成。
嵌入式控制器软件包括：嵌入式实时操作系统、应用程序、应用程序编程接口API、实时数据库等。
嵌入式微处理器
嵌入式CPU与通用型CPU相比呈现异彩纷呈的景象，世界上仅32位嵌入式CPU就有100种以上。嵌入式CPU大多工作在特定用户群设计的系统中，具有低功耗、体积小、集成度高等特点，有利于嵌入式控制器设计趋于小型化、智能化并与网络应用紧密结合。
嵌入式操作系统
现在国际上比较流行的嵌入式操作系统有：Microware的OS9，Sun的Java OS，Microsoft的Windows CE、Windows NT Embedded，自由软件RT-Linux等。我国凯思集团也研发了具有自主知识产权的通用嵌入式操作系统Hopen。
网络接口
网络接口为嵌入式控制器接入网络提供必要的条件。网络接口以32位CPU为中心，控制器完成网络接口的控制功能，通信接口有RS 232C串行接口，通信协议转发器接口、网络接口等。
利用嵌入式控制器、网络接口可以构建以太控制网络。在分布式网络计算平台的支持下，同样可以构建分布式控制网络。
技术要点
嵌入式控制器的操作系统平台、网络通信平台为当今世界流行的开放式平台，为以太控制网络的开放性奠定了基础。
嵌入式控制器的操作系统平台，如RT-Linux，功能强，应用软件开发快捷、方便。在Linux操作系统上开发的应用软件能直接在RT-Linux环境中运行，也就是说，开发嵌入式控制器应用软件无需专用的软件开发系统与工具。
功能强大的嵌入式CPU为嵌入式控制器提供高性能、高速处理能力及灵活的扩展方式。
支持TCP/IP协议，容易实现网络互联与网络扩展。
可应用各种网络作为嵌入式控制器接入主干网。这些主干网通信速率高，实时性好，并支持分布式网络计算，实现网络协同工作。
嵌入式控制器、网络接口、分布式网络计算平台不但能够构建开放的、功能强大的以太控制网络，而且容易实现控制网络与信息网络的无缝集成。

Embedded controller is a good and basic access device in Ethernet control network.
An embedded controller is a control system that performs specified independent control functions and has the ability to process data in a complex manner. It is an electronic device or device controlled by an embedded microelectronic technology chip (including a series of microelectronic devices such as microprocessor chip, timer, sequence generator or controller), which can complete various automatic processing tasks such as monitoring and control.
Embedded controllers are mainly used to control, monitor, manage or assist other devices in real time. It consists of a microprocessor chip, software that is solidified inside the chip, and other components.
Embedded controller software includes: embedded real-time operating system, application program, application programming interface API, real-time database and so on.
Embedded microprocessors
Embedded cpus present a colorful scene compared with general-purpose cpus, and there are more than 100 kinds of 32-bit embedded cpus in the world alone. Embedded CPU mostly works in the system designed by specific user groups, which has the characteristics of low power consumption, small size and high integration, which is conducive to the design of embedded controller tends to be miniaturized, intelligent and closely integrated with network applications.
Embedded operating system
Now the more popular Embedded operating systems in the world are: Microware OS9, Sun Java OS, Microsoft Windows CE, Windows NT Embedded, free software RT-Linux and so on. China’s Kais Group has also developed a general embedded operating system Hopen with independent intellectual property rights.
Network interface
Network interface provides the necessary conditions for embedded controller to access network. The network interface takes 32-bit CPU as the center, the controller completes the control function of the network interface, the communication interface has RS 232C serial interface, communication protocol repeater interface, network interface and so on.
The Ethernet control network can be constructed by using embedded controller and network interface. With the support of distributed network computing platform, distributed control network can also be built.
Technical essentials
The operating system platform and network communication platform of embedded controller are popular open platforms in the world, which lays the foundation for the openness of Ethernet control network.
The operating system platform of embedded controller, such as RT-Linux, has strong function, and the application software development is fast and convenient. The application software developed on the Linux operating system can run directly in the RT-Linux environment, that is, the development of embedded controller application software does not need special software development systems and tools.
The powerful embedded CPU provides the embedded controller with high performance, high speed processing power and flexible expansion mode.
Support TCP/IP protocol, easy to achieve network interconnection and network expansion.
Various networks can be used as embedded controllers to access the backbone network. These backbone networks have high communication speed, good real-time performance, and support distributed network computing to achieve network collaboration.
Embedded controller, network interface and distributed network computing platform can not only build open and powerful Ethernet control network, but also realize seamless integration of control network and information network.

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