Plant control system and method for displaying control circuit t

Details Plant control system and method for displaying control circuit t Plant control system and method for displaying control circuit t

1993-11-04

1995-02-21

Envall, Jr., Roy N.

Boots, shoes, and leggings

364578, G06F 1546

Patent

active

053922085

ABSTRACT:
A method and apparatus for displaying on a display screen the controlling circuit in a plant controlling system for controlling a plant by a controller using a microcomputer. The display screen is segmented into a software region and a hardware region. The software circuit which is realized by software is displayed in the software region, and the hardware circuit related to the software circuit is displayed in the hardware region. The information, which is plotted during the interactive process and is displayed in the software regions, is automatically translated into a program for controlling the controller. Operation data of the plant is also given on the display screen. Desired circuit elements of the software circuit may be selected to change parameters of the circuit elements. Maintenance work can be carried out while observing the indication on the display screen without any aid of documents such as the maintenance manual or the like.

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