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Process monitoring and control system and method of process monitoring and control

  • US 4,942,514 A
  • Filed: 11/09/1988
  • Issued: 07/17/1990
  • Est. Priority Date: 11/17/1987
  • Status: Expired due to Term
First Claim
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1. A process monitoring and control system comprising:

  • means for displaying a system diagram including diagrams of process control devices on a display screen of a display unit;

    input means for providing an instruction upon selection of a particular control device to be controlled;

    means for displaying on the display screen, together with at least a diagram of the selected control device, a control screen including at least one of a control data selection area and an operating condition display area corresponding to the particular control device upon an input instruction for selecting the particular control device from the diagrams of the process control devices;

    means for indicating to an operator the content of the input instruction upon provision of the input instruction for selecting control data in the control data selection area on the control screen; and

    means for providing an operation start signal to the particular control device selected by the input instruction upon operation of a switch corresponding to the control screen from which control data has been selected and belonging to a group from among groups of switches disposed outside of the display screen, each of the groups uniquely corresponding to a separate control screen.

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