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IEC 61131-3 industrial control programming standard advancements

机译：IEC 61131-3工业控制编程标准的改进

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The IEC 61131-3 industrial programming standard, along with PLCopen extensions, continues to advance industrial programming, adding new functions to support the digital factory. Industrial controllers are at the heart of every application, and programming control systems consume more non-recurring engineering hours than almost any other task. Quality, efficiency, and the need to achieve higher levels of automation are the driving forces behind the adoption of software standards in all areas of computing, including industrial automation. In the early 1990s, the International Electrotechnical Commission (IEC) (www.iec.ch) began developing the IEC 61131 standard for programmable logic controllers (PLCs) that today consists of eight parts, encompassing everything from hardware and test protocol to communications. In particular, IEC 61131-3 defines a modular PLC programming environment with key features of flexibility and reusability. Widely available engineering software based on the IEC 61131-3 standard provides an integrated design environment for engineers to simulate, program, debug, and develop human-machine-interface screens in a single software platform with the program and documentation automatically generated in the process. This dramatically increases applications development productivity and lowers maintenance cost. The IEC 61131-3 standard continues to be refined and improved with PLCopen extensions based on industry needs.
机译：IEC 61131-3工业编程标准以及PLCopen扩展，继续推进工业编程，增加了支持数字工厂的新功能。工业控制器是每个应用程序的核心，并且编程控制系统比几乎任何其他任务都要花费更多的非经常性工程时间。质量，效率和实现更高水平自动化的需求是在包括工业自动化在内的所有计算领域采用软件标准的推动力。在1990年代初期，国际电工委员会（IEC）（www.iec.ch）开始为可编程逻辑控制器（PLC）开发IEC 61131标准，该标准如今由八个部分组成，涵盖了从硬件，测试协议到通信的所有内容。特别是，IEC 61131-3定义了具有灵活性和可重用性的关键特性的模块化PLC编程环境。基于IEC 61131-3标准的广泛可用的工程软件为工程师提供了一个集成的设计环境，以便工程师可以在一个软件平台上模拟，编程，调试和开发人机界面屏幕，并在过程中自动生成程序和文档。这极大地提高了应用程序开发的生产率，并降低了维护成本。根据行业需求，通过PLCopen扩展不断完善和改进IEC 61131-3标准。

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