According to the IEC Electropedia,an HMI is a“display screen,either as part of an intelligent electronic device(IED)or as a stand-alone device,presenting relevant data in a logical format,with which the user interact...According to the IEC Electropedia,an HMI is a“display screen,either as part of an intelligent electronic device(IED)or as a stand-alone device,presenting relevant data in a logical format,with which the user interacts.An HMI typically presents windows,icons,menus and pointers,and may also include a keypad to enable user access and interaction.”HMIs have become ubiquitous across various industries as automation and digitization takes hold of industrial processes.They typically enable operators to monitor and control plants remotely.The new standard is expected to be published by the end of August 2024.It deals with the complete lifecycle of HMIs,from conception to decommissioning.“The purpose of this document is to address the philosophy,design,implementation,operation and maintenance of HMIs for automation systems,including multiple work processes,”explains Dr.Maurice Wilkins who jointly led the standard project,along with Dave Board,inside IEC Technical Committee 65.The TC prepares international standards for systems and elements used for industrial process measurement,control and automation.展开更多
文摘基于HTML的Web应用程序有着重要的缺点---人-机界面不够友好,特别是对于数据量大的生产、业务数据。提出了一种利用Office ActiveX控件来提高Web应用程序人-机界面友好性的方法,使用这些控件可以大大减轻软件开发人员的工作量、增强系统功能、提高人-机界面的友好性;同时也提出了一种用Microsoft Office Web Components(OWC)控件创建基于模板的Web应用程序的方法。
文摘According to the IEC Electropedia,an HMI is a“display screen,either as part of an intelligent electronic device(IED)or as a stand-alone device,presenting relevant data in a logical format,with which the user interacts.An HMI typically presents windows,icons,menus and pointers,and may also include a keypad to enable user access and interaction.”HMIs have become ubiquitous across various industries as automation and digitization takes hold of industrial processes.They typically enable operators to monitor and control plants remotely.The new standard is expected to be published by the end of August 2024.It deals with the complete lifecycle of HMIs,from conception to decommissioning.“The purpose of this document is to address the philosophy,design,implementation,operation and maintenance of HMIs for automation systems,including multiple work processes,”explains Dr.Maurice Wilkins who jointly led the standard project,along with Dave Board,inside IEC Technical Committee 65.The TC prepares international standards for systems and elements used for industrial process measurement,control and automation.