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    • 5. 发明授权
    • Real time process controller with serial I/O bus
    • 具有串行I / O总线的实时过程控制器
    • US4910658A
    • 1990-03-20
    • US251008
    • 1988-09-27
    • George M. DudashJoseph J. Kirby
    • George M. DudashJoseph J. Kirby
    • G05B19/05
    • G05B19/056G05B19/054G05B19/058G05B2219/1103G05B2219/1127G05B2219/1129G05B2219/13031G05B2219/13032G05B2219/13086G05B2219/13171G05B2219/15019G05B2219/15047G05B2219/23378G05B2219/25096G05B2219/25178G05B2219/25315G05B2219/25324
    • A process control system for monitoring and controlling elements of a process. A control unit is electrically connected to a multi-conductor cable upon which are removably connected in series configuration a plurality of serially addressable control modules. The control modules are removably connected to elements of the controlled process to permit monitoring and control of the elements. The modules may be readily connected to or removed from the process elements and multi-conductor cable, to permit expansion or modification of the control system as needed for proper use in controlling process systems. The control modules operate independently from outside signals in monitoring the process elements, and respond to selected element status conditions by accessing communication with the central controller on a priority basis over other control modules in the system. The control unit includes a touch sensitive video screen for providing information to an receiving instructions from a user. The information and its configuration presented on the screen may be easily modified by user interaction with the screen, to quickly accommodate control system changes.
    • 用于监控和控制过程元素的过程控制系统。 控制单元电连接到多芯电缆,多芯电缆以串联方式可拆卸地连接多个可串行寻址的控制模块。 控制模块可拆卸地连接到受控过程的元件,以允许元件的监视和控制。 模块可以容易地连接到过程元件和多导体电缆或从其移除,以允许在控制过程系统中正确使用所需的控制系统的扩展或修改。 在监视过程元件时,控制模块独立于外部信号进行操作,并通过与系统中的其他控制模块优先基于与中央控制器的通信来响应所选择的元件状态条件。 控制单元包括用于向来自用户的接收指令提供信息的触敏视频屏幕。 屏幕上显示的信息及其配置可以通过用户与屏幕的交互来轻松修改,以便快速适应控制系统的变化。